City guide · Cancer risk and screening

Cancer screening in San Diego: what it looks for and what it can miss

Screening looks for cancer in people who feel well. Here is what the established tests are for, where whole-body imaging and the newer blood tests fit, and which San Diego clinics document a screening pathway.

San Diego's downtown skyline seen across the bay from Coronado
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In this guide
The short answer

Cancer screening is testing in people with no symptoms, hoping to find cancer early enough that treatment works better. A few screens have decades of evidence behind them, recommended by age and risk: cervical, breast, colorectal, and lung screening for people with a smoking history. Longevity clinics add to that foundation rather than replace it: whole-body imaging, multi-cancer blood tests, inherited-risk panels. Those can find something early, and can raise questions that take more testing to settle. The useful question is not what a clinic looks at, but what it does when a result is unclear.

What cancer screening is actually trying to do

Screening and diagnosis are different jobs, and mixing them up is the most common confusion here. A diagnostic test asks why you have a symptom you noticed. A screening test is offered to people who feel well, on the chance that something is growing quietly. So screening is judged on a harder question than "did it find anything": whether people who get screened do better than those who do not.

For a few cancers, long trials have answered that question, and the answer is yes at particular ages and risk levels. For much of the newer testing sold today, the studies are still running. Both appear on the same clinic menu in the same tone of voice, so it helps to know which of the two a service is.

The screens with the strongest evidence behind them

National expert panels review the trial evidence and publish which screens are recommended, at which ages and how often. The list is short by design: a screen earns a recommendation only when its benefit clearly outweighs its harm across a whole population. Cervical, breast and colorectal screening, and lung screening for people with a significant smoking history, are the core of it.

People at higher risk are a separate case. A strong family history, an inherited genetic variant or a previous cancer can change what is recommended, when it starts and how often it repeats. That is worth settling with a clinician who knows your history before you buy a broader test, because it may change which test is useful.

The newer testing, and what is still being worked out

Two additions turn up most often at longevity practices. Whole-body MRI images much of the body in one sitting, without radiation, looking for anything that should not be there. Multi-cancer detection blood tests, sometimes called liquid biopsies, look in a blood sample for signals that may be shed by cancer cells, intended to flag several cancers from one draw.

A national research network is running trials on these tests because nobody yet knows how much difference they make to how long people live. The radiology profession has said there is not sufficient evidence to recommend total-body screening for people with no symptoms, risk factors or suggestive family history. That is not to say these tests find nothing, only that the case that finding it this way helps you has not been made as it has for the established screens.

How this fits with your regular doctor

A clinic offering a whole-body scan is generally not taking over the age- and risk-appropriate screening your regular doctor already recommends. If you are due a colonoscopy, an MRI is not a substitute for it: the two look for different things.

Nor is any of this a diagnosis service. A new lump, a change you have noticed, unexplained bleeding or weight loss needs a medical evaluation promptly, not a screening package.

Potential benefit and trade-off

Finding a cancer before it causes symptoms can mean simpler treatment and a better outcome, which is the whole reason screening exists. The trade-off is that broad testing in a well person also produces findings that are harmless or ambiguous, and each of those can mean more scans, more waiting and more worry before it is resolved.

How a screening visit usually goes

Practices organize this differently, but a first screening visit tends to follow the same four steps.

  1. A risk conversation first

    Family history, personal history, smoking, known genetic findings and previous results. This decides which tests are worth doing; a practice that books a scan before having it is starting in the wrong place.

  2. The testing itself

    Whatever was agreed: imaging, a blood draw, an inherited-risk panel, or catching up on a guideline screen you are due. Ask what is included in what you booked and what would be arranged separately.

  3. A result you can understand

    Someone should walk you through what was found, what was not looked at, and how confident the result is. Ask who reads your scan or sample, and whether they specialize in it.

  4. What happens next

    A clear result means a plan for when to repeat. An unclear one means a defined next step. Ask who arranges follow-up testing, and whether the practice sends your records to your own doctor.

How the main approaches differ

Three approaches show up across these practices. They are built to answer different questions, so comparing them line by line can mislead.

Approach What it does What to know
Guideline-based screening by organ The established screens, offered at the ages and intervals current recommendations set, adjusted upward for people at higher risk. This is the foundation, and the part with long trial evidence behind it. Some longevity practices deliver it themselves; others assume your regular doctor is handling it, so it is worth confirming which.
Whole-body MRI Images much of the body in one session without radiation, looking broadly for anything unexpected rather than for one named cancer. Intended as an addition to guideline screening, not a replacement for it, and professional bodies have not recommended it for people without symptoms or risk factors.
Multi-cancer detection blood tests Looks in a blood sample for signals that may be shed by cancer cells, intended to flag several cancers from a single draw. A positive signal needs further testing to confirm and to locate. A negative result does not rule cancer out, and does not remove the need for the screens you are due.

Cancer screening at San Diego clinics

9 of the 19 researched San Diego clinic locations document a pathway for cancer risk & screening. Each profile below shows how the practice is organized and who it identifies as its clinical leadership.

Find the closest ones

Which of these are near you?

San Diego covers a wide area, and travel matters for a test you may repeat. Enter your ZIP code and the list below reorders by distance.

Sorting by distance never hides a clinic. Every researched practice stays on the page.

Tina Ziainia, MD, FACOG, President & Chief Medical Officer at Human Longevity, San Diego
Tina Ziainia, MD, FACOG. Clinic-published image.
Eastgate Technology Park, San Diego · The flagship clinic of a two-site California precision medicine company, built around a single-day assessment combining whole genome sequencing, whole-body imaging and cardiac testing

Human Longevity, San Diego

Human Longevity's flagship clinic sits in Eastgate Technology Park near UC San Diego, where a single private day covers whole genome sequencing, whole body and brain MRI, cardiac imaging and hundreds of blood biomarkers. Twelve clinicians are named across the company's two California clinics, with Dr. Tina Ziainia as San Diego's medical director. Results live in a platform you keep.

Screening whole body MRI and low-dose CT of lung are published inside Executive Health, Cologuard arrives with 100+ Care, and the GRAIL cancer liquid biopsy with 100+ Concierge. The company publishes a Cancer Prevention Pledge behind the Executive Health programme.

Named local physician

Tina Ziainia, MD, FACOG

President & Chief Medical Officer. Published as President, Medical Director of San Diego, and Chief of Women's Health at Human Longevity, tagged Women's Health and Internal Medicine. The company states she has over 25 years of clinical experience and awards including Top Doctors of San Diego and the Sharp Rees Stealy Physician Excellence Award, and that she was previously an assistant professor at Saint Louis University and a physician at Sharp Rees Stealy.

Read the full profile
Prenuvo San Diego in Del Mar Heights, San Diego
Prenuvo San Diego. Clinic-published image; no individual clinician is identified.
Del Mar Heights, San Diego · One clinic of a whole-body MRI screening company, offering radiation-free, contrast-free screening MRI with blood panels and a provider results review

Prenuvo San Diego

Prenuvo's San Diego clinic on Del Mar Heights Road books whole-body MRI screening from a quarter to eight in the morning, Monday to Friday. The scan is published as a radiation-free, contrast-free multiparametric protocol covering the brain, spine, abdomen and pelvis in under an hour, read by a specialist radiology team. Blood panels and a provider results review sit alongside it in the memberships.

The company publishes the Focused Scan as part of a multi-cancer detection strategy and states it helps assess for solid-tumor detection, while stating equally plainly that it is an adjunct to, and not a replacement for, mammography, colonoscopy and prostate screening.

Organization medical leadership

Published by Prenuvo, not for this location

Prenuvo publishes its medical leadership for the whole organisation rather than per clinic. The company states that its Prenuvo Medical Group has more than 200 healthcare professionals.

Company-wide role, not this location's clinician.

How it is set up: A booked scan, standalone or inside an annual membership.
Read the full profile
Christina Adams, MD, Cardiology, Scripps Clinic at Scripps Center for Executive Health
Christina Adams, MD. Clinic-published image.
La Jolla, San Diego · A health-system specialty centre on the Scripps Memorial Hospital La Jolla campus, running a one-day multidisciplinary executive physical it has offered since 1981

Scripps Center for Executive Health

Scripps Center for Executive Health has run one-day executive physicals on the Scripps Memorial Hospital La Jolla campus since 1981. The WholePerson Examination runs from 6:30 am to 2 pm and covers a stress treadmill test with estimated VO2 max, carotid and femoral artery ultrasound, a chest X-ray, a coronary calcium score and full-body dermatology screening. Fourteen Scripps physicians are named.

Full-body dermatology screening, prostate specific antigen for men and faecal occult blood testing are published inside the examination, with Grail multi-cancer detection screening, a chest CT for lung cancer screening, CA-125, a PAP smear and a mammogram on the optional menu.

Named local physicians

Christina Adams, MD and 13 more named clinicians

Cardiology, Scripps Clinic. Listed by the centre under "Your Executive Health Physical begins with a dedicated team of Scripps physicians", tagged Cardiology, Scripps Clinic, with a link to her Scripps physician profile.

How it is set up: One day, 6:30 am to 2 pm, repeated annually, with optional tests on top.
Read the full profile
Suzan Mahdai, MD, MPH, DABOM, MSCP, Physician at Timely Health
Suzan Mahdai, MD, MPH, DABOM, MSCP. Clinic-published image.
Rancho Bernardo, San Diego · Two-physician preventive and longevity practice built around onsite DEXA, VO₂ max and resting metabolic rate testing, with physician memberships for weight, menopause and prevention

Timely Health

Timely Health is a preventive and longevity practice on World Trade Drive in San Diego, led by Dr. Suzan Mahdai and Dr. Haider Aldiwani. Onsite testing covers DEXA whole-body and bone density scans, VO₂ max and resting metabolic rate. Memberships cover weight management, menopausal hormone care and prevention, with Galleri, Myriad and at-home sleep testing as add-ons.

The Galleri test is published as a cancer early detection add-on available after a physician consultation, and Myriad genetic testing is published alongside it.

Named local physicians

Suzan Mahdai, MD, MPH, DABOM, MSCP and 1 more named clinician

Physician. Double Board-Certified in Internal & Obesity Medicine; Menopause Society Certified Practitioner. The practice states she is a physician practicing in San Diego with advanced training in preventive medicine and women's health, and that she holds a Master's in Public Health from UCSD Human Longevity School. Published areas of expertise: obesity and weight management, women's health, menopausal hormone therapy, and preventive and longevity medicine.

How it is set up: Tests sold singly or in packages; ongoing care by monthly membership.
Read the full profile
Michael Wang, MD, DABR, Radiologist at Axos Imaging
Michael Wang, MD, DABR. Clinic-published image.
Escondido · Outpatient diagnostic radiology centre with three San Diego County sites, running a self-referred whole-body MRI screening programme called Axos360 alongside its referred imaging work

Axos Imaging

Axos Imaging runs Axos360, a whole-body MRI screening programme, out of a working outpatient radiology centre in Escondido rather than a scanning boutique. Three packages scan head, neck, chest, abdomen and pelvis, with dedicated brain imaging, MR angiography and NeuroQuant volumetrics on the upper two. The top package adds a low-dose chest CT and a coronary artery calcium score.

The centre publishes what the scan is looking for by region: brain tumours, liver, pancreatic cysts or tumours, kidney cysts or masses, gallbladder, spleen, ovaries and uterus, prostate and bladder. The 360 Plus package adds a low-dose chest CT which it states is to exclude pulmonary malignancy.

Named local physician

Michael Wang, MD, DABR

Radiologist. Board-Certified Radiologist. Trained at Baylor College of Medicine, Cleveland Clinic, Mount Sinai Medical Center and University of California, Irvine. Additional fellowship training in Musculoskeletal Imaging. The centre states he has performed and participated in extensive research in TBI Imaging and Image Processing.

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National City · The South Bay site of a three-location outpatient radiology group, running the same self-referred Axos360 whole-body MRI screening programme as its Escondido centre alongside referred imaging

Axos Imaging, National City

Axos Imaging's National City centre on Highland Avenue is the South Bay site of a three-location outpatient radiology group, and the one the group calls its technology flagship. It runs the Axos360 whole-body MRI screening programme in three published packages, alongside 3 Tesla MRI, 128-slice CT and walk-in X-ray for referred work.

The group publishes what the scan looks for organ by organ, naming liver, pancreas, kidneys, gallbladder, spleen, ovaries and uterus, prostate and bladder, and adds a low-dose chest CT for the lungs in the top package.

Named local physician

Not published

Axos Imaging publishes no named clinician for this location. It describes 'our board-certified radiologists' in the plural, and states on its Axos360 page that every scan is read by a radiologist who lives and works in San Diego.

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Rancho Santa Fe · A diagnostics-first prevention practice founded by Dr. Joel Fuhrman MD and Dr. Cara Fuhrman ND, selling one comprehensive two-visit assessment with a nutrition-led plan attached

Longevity Rx

Longevity Rx in Rancho Santa Fe is the practice of Dr. Joel Fuhrman MD and Dr. Cara Fuhrman ND, built around a two-visit assessment that measures first and plans second. Visit one brings QT Imaging breast scanning, Echolight REMS bone density, TruAge and TruHealth across 180+ biomarkers. Visit two is a physician review and a written protocol covering nutrition, supplementation and lifestyle.

EPISEEK is published as a blood test detecting early DNA changes linked to 60+ cancers, and QT Imaging is published as radiation-free, compression-free 3D breast imaging aimed at dense breast tissue. Breast cancer prevention is Dr. Cara Fuhrman's stated specialism.

Named local physicians

Joel Fuhrman MD and 2 more named clinicians

Co-Founder · Nutritional Medicine Pioneer. Board-Certified Family Physician. The practice states he has spent over 35 years helping patients reverse chronic disease using his Nutritarian approach, and describes him as a New York Times best-selling author whose PBS specials have reached millions. His published focus is chronic disease reversal, cancer prevention and longevity science.

How it is set up: One package, two visits, repeated annually.
Read the full profile
Kearny Mesa, San Diego · A health-system executive health programme with no domain of its own, run as a department in Building C at Sharp Rees-Stealy Kearny Mesa and published with a second site in Rancho Bernardo

Sharp HealthCare Employee and Executive Health and Wellness Program

Sharp HealthCare's Employee and Executive Health and Wellness Program runs from Building C at Sharp Rees-Stealy Kearny Mesa, with a second site in Rancho Bernardo. The exam is tailored to your history and finished in about two and a half hours, in a suite with a private lounge, locker and shower. The scans it names are coronary artery scoring CT, low-dose lung screening CT, bone densitometry and two ultrasounds.

Cancer screenings are published among the areas the exam can cover, and low-dose lung screening CT is one of the five scans the programme names.

Named local physician

Not published

Sharp publishes no named clinician for this location. The programme describes 'our expert team of doctors, nurses and administrative staff' and the Kearny Mesa location page links a general Sharp Rees-Stealy physician search.

How it is set up: One tailored exam, no referral required.
Read the full profile
Dr. John Kasawa, MD, Medical Director at Saffron & Sage
Dr. John Kasawa, MD. Clinic-published image.
San Diego · A members-only integrative health centre pairing a named functional testing menu with acupuncture, Chinese medicine, naturopathic care and psychotherapy under one roof

Saffron & Sage

Saffron & Sage is a members-only integrative health centre on State Street in San Diego where testing is the front door, and the testing is named: the Saffron Panel, stool microbiome analysis, micronutrient testing, the Organic Acids Test, Smart Vascular Dx and the Galleri multi-cancer blood test. Naturopathic doctors, doctors of Chinese medicine and an MD medical director read the results together.

The Galleri Test is published as a blood-based screening tool designed to detect more than 50 types of cancer by analyzing cell-free DNA in the bloodstream, and to predict the tissue of origin.

Named local physicians

Dr. John Kasawa, MD and 8 more named clinicians

Medical Director. Published as MD and Medical Director. The site's footer states that all medical services are provided by Kasawa Medical APC dba Saffron & Sage MD.

How it is set up: Membership, with visits drawn against service credits.
Read the full profile

Common questions

Is a whole-body scan better than the standard screening tests?

They are not alternatives to each other. The standard screens are recommended because trials showed they help at particular ages and risk levels, and each looks closely at one part of the body. A whole-body scan looks broadly across many parts, less closely at each, and has not been shown to improve outcomes in people without symptoms or risk factors. Practices that offer scanning generally present it as an addition to guideline screening rather than a substitute.

Can a blood test really detect several cancers at once?

Multi-cancer detection tests look for biological signals in blood that may come from cancer cells. A signal is a reason for further testing, not a diagnosis, and the follow-up needed to confirm and locate anything can take time. A negative result does not mean cancer is absent, and it does not replace the screens you are due. Research networks are running trials now on how much difference these tests make.

What does cancer screening at a longevity clinic cost?

It varies widely by practice and by what is included, and many clinics discuss fees only after an initial conversation. Some sell a scan or a test as a single purchase, others fold screening into a membership alongside ongoing care.

Will insurance cover it?

Guideline-recommended screening is often covered, and coverage rules depend on your plan, your age and your risk category. Additional testing such as whole-body imaging or a multi-cancer blood test is commonly self-pay. Practices differ in whether they bill insurance at all, so ask each one directly how it handles both parts.

What if a scan or test finds something?

A finding is usually the start of a process rather than an answer. Depending on what it is, the next step may be a targeted scan, a specialist referral or a biopsy, and many findings turn out to be harmless. Before booking, ask who reviews an abnormal result, how quickly you would hear, who arranges the follow-up, and whether the practice sends your records to your own doctor.

How do you decide which clinics appear on this page?

A clinic appears here when its own published material shows it offers cancer screening at that location.

Cancer risk & screening in other cities

Sources

  1. U.S. Preventive Services Task Force, A and B recommendations Supports: Which cancer screens are recommended, and for which ages and risk levels; That recommendations, not individual clinics, set screening intervals.
  2. National Cancer Institute, Cancer screening overview Supports: That screening is testing done in people without symptoms; That screening carries harms as well as benefits, including findings that turn out to be harmless.
  3. National Cancer Institute, What cancer screening tests check for cancer? Supports: Which screening tests are established and what each one looks at; That a screening result may need further testing to confirm.
  4. National Cancer Institute, Questions and answers about multi-cancer detection tests Supports: What a multi-cancer detection blood test measures; That a positive signal requires follow-up testing and a negative result does not rule cancer out; That trials on whether these tests improve outcomes are still under way.
  5. American College of Radiology, statement on screening total body MRI Supports: That there is not sufficient evidence to recommend total-body screening for people with no symptoms, risk factors or suggestive family history.

This page is educational information, not medical advice, and it is not a recommendation to have or to skip any test. Which screening is right for you depends on your age, your family history and your personal risk, so discuss it with a clinician who knows your history. If you have a symptom that concerns you, seek a medical evaluation rather than a screening package.

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