Doctor Directory

Medicare Doctors near 94401, CA

We index 480 Medicare-enrolled doctors near 94401, CA across 16 specialty categories. Each doctor has a full profile with CMS patient volume, hospital affiliations, and practice location. To keep this page readable we show the 10 closest doctors in each specialty below — click any doctor to see their full profile, or jump between specialties using the nav bar. 348 of the 480 are affiliated with at least one hospital near 94401, CA.

Data Source: Provider identity and specialties from NPPES (2026). Patient volume and procedures from CMS Medicare Provider Utilization & Payment Data (2023). We display publicly reported CMS data — no personal information required to view any of it.
Reviewed by: Wes Ward, Founder & Data Lead • View our methodology

Important: We are not affiliated with Medicare or any government agency. This site displays publicly available CMS data to help you compare doctors and Medicare plans. We do not sell insurance or represent any insurance company. For official enrollment and complete plan information, visit Medicare.gov or call 1-800-MEDICARE.

480
Medicare Doctors
16
Specialties Covered
348
Hospital-Affiliated

Does Your Medicare Plan Cover These Doctors?

Doctor access depends on your Medicare plan's provider network. Compare plans available near 94401, CA to find coverage that includes the specialists you need.

Compare Medicare Plans near 94401, CA →

📋 Enrollment Checklist · 📅 Enrollment Dates · 🏥 Hospitals near 94401, CA

Jump to a Specialty

Specialists are grouped into 16 categories — this follows the way Medicare beneficiaries actually search: primary care first, then the specialty that fits their condition. Click any specialty below to jump to its full list of doctors.

Primary Care Doctors

Showing 10 of 30

30 Primary Care doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Brooke LeonNurse Practitioner<1 mi
Dina SverdlovInternal Medicine2.2K<1 mi
Samantha OliveiraPhysician Assistant<1 mi
Amy S. DaniherInternal Medicine326<1 mi
Ulrike D. SujanskyInternal Medicine556<1 mi
Masayasu KihiraFamily Practice175<1 mi
Pedro L. CajatorFamily Practice246<1 mi
John C. ChowInternal Medicine2.0K<1 mi
Dale J. RitzoInternal Medicine911<1 mi
Frank TortoriceInternal Medicine409<1 mi
30 nearest Primary Care doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Cardiology Doctors

Showing 10 of 30

30 Cardiology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Jonathan G. BriskinCardiovascular Disease (Cardiology)690<1 mi
David A. KurzrockInterventional Cardiology2.1K<1 mi
Jeffrey J. GuttasCardiovascular Disease (Cardiology)1.9K<1 mi
Phoebe AshleyCardiovascular Disease (Cardiology)6071.3 mi
Catherine N. DaoCardiovascular Disease (Cardiology)1.0K1.3 mi
Yousif AhmadCardiovascular Disease (Cardiology)6901.3 mi
Thomas A. DewlandCardiac Electrophysiology5.4K1.3 mi
Donald J. GrandisCardiovascular Disease (Cardiology)2.0K1.3 mi
William GrossmanCardiovascular Disease (Cardiology)671.3 mi
Jacqueline D. Baras ShreibatiCardiovascular Disease (Cardiology)713.0 mi
30 nearest Cardiology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Cancer Care Doctors

Showing 10 of 30

30 Cancer Care doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Dhara M. MacdermedRadiation Oncology554<1 mi
Howard LeeHematology/Oncology1.3 mi
Varun MongaMedical Oncology1741.3 mi
Matthew H. LeeHematology/Oncology1.3 mi
Natalie A. MarshallMedical Oncology1.1K1.3 mi
Jodi J. LipofHematology/Oncology701.3 mi
Catherine C. SmithHematology/Oncology951.3 mi
Anupama KumarHematology/Oncology531.3 mi
Eric J. SmallHematology/Oncology2431.3 mi
Karen G. CheeMedical Oncology1.1K1.3 mi
30 nearest Cancer Care doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Orthopedic & Rehab Doctors

Showing 10 of 30

30 Orthopedic & Rehab doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Dennis C. ParkOrthopedic Surgery1.5K<1 mi
Tram N. NguyenPhysical Medicine And Rehabilitation13<1 mi
Hoyman HongPhysical Medicine And Rehabilitation415<1 mi
Dirk R. DiefendorfOrthopedic Surgery364<1 mi
Marvin Y. LoOrthopedic Surgery383<1 mi
Edward C. SunOrthopedic Surgery799<1 mi
Gaurav AbbiOrthopedic Surgery4321.1 mi
Edward C. ShinOrthopedic Surgery3421.1 mi
Jeffrey J. BarryOrthopedic Surgery1.0K1.3 mi
Erik N. HansenOrthopedic Surgery8151.3 mi
30 nearest Orthopedic & Rehab doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Mental Health Doctors

Showing 10 of 30

30 Mental Health doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Vladimir BokariusPsychiatry<1 mi
William R. TatomerPsychiatry82<1 mi
Sam C. NaifehPsychiatry<1 mi
Tanuj SidharthaPsychiatry153<1 mi
Jessica L. LuoPsychiatry41<1 mi
Paul I. WachterPsychiatry46<1 mi
Rama DronamrajuPsychiatry1.1 mi
Alex C. LeungClinical Psychologist1.1 mi
Kimberly DowPsychiatry1.1 mi
Thomas KielyClinical Psychologist1.1 mi
30 nearest Mental Health doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Dermatology Doctors

Showing 10 of 30

30 Dermatology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Meghan T. HessionDermatology1.7K<1 mi
Elizabeth WangDermatology877<1 mi
Lucy M. SchmidtDermatology1.1K<1 mi
Joel S. CrockettDermatology2.3K<1 mi
Linda J. SheuDermatology375<1 mi
Susan D. WolfDermatology2.1K<1 mi
Paul D. HartmanDermatology7921.1 mi
Julie RamseierDermatology1.3 mi
Daniel KlufasDermatology3841.3 mi
Nikolajs LapinsDermatology4.1K1.5 mi
30 nearest Dermatology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Ear, Nose & Throat Doctors

Showing 10 of 30

30 Ear, Nose & Throat doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
David EllisonOtolaryngology8283.0 mi
Elizabeth A. ZambrickiOtolaryngology6663.7 mi
Amelia K. ReadOtolaryngology2903.7 mi
Joshua S. SckolnickOtolaryngology1.2K3.7 mi
Emily E. CrozierOtolaryngology4903.7 mi
Michael R. KinzingerOtolaryngology8843.7 mi
Brendan PierceOtolaryngology7595.2 mi
Chih-Kwang SungOtolaryngology5377.7 mi
Jennifer Y. LeeOtolaryngology3727.7 mi
Edward J. DamroseOtolaryngology8737.7 mi
30 nearest Ear, Nose & Throat doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Endocrinology Doctors

Showing 10 of 30

30 Endocrinology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Elizabeth HoltEndocrinology2641.3 mi
David C. KlonoffEndocrinology1.3 mi
Sumbul N. BegEndocrinology1111.5 mi
Jennifer ChuEndocrinology4483.3 mi
Yunying ShiEndocrinology8303.3 mi
Helen LauEndocrinology773.7 mi
Kacy A. ChurchEndocrinology6053.7 mi
Alice LiuEndocrinology4495.2 mi
Sonia RodriguesEndocrinology5.3 mi
Grace KimEndocrinology1.7K5.6 mi
30 nearest Endocrinology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Eye Care Doctors

Showing 10 of 30

30 Eye Care doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Sharon K. HoOptometry<1 mi
Gary O. LaiOptometry25<1 mi
Michael J. DrinnanOphthalmology1.0K<1 mi
Jacqueline T. KooOphthalmology1.4K<1 mi
Megan Y. TaiOptometry128<1 mi
Aaron Y. KwanOptometry114<1 mi
Jil P. PatelOptometry<1 mi
Aarthi B. VincaOphthalmology1.4K<1 mi
Sandra M. ChengOptometry153<1 mi
Jennifer LamOptometry<1 mi
30 nearest Eye Care doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Gastroenterology Doctors

Showing 10 of 30

30 Gastroenterology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Edward OnumaGastroenterology801<1 mi
Eugene Y. LeeGastroenterology733<1 mi
Mark M. TsuchiyoseGastroenterology5661.1 mi
Stefan ChinGastroenterology6611.1 mi
Rowena Garcia ChuapocoGastroenterology4151.1 mi
Jennifer C. PriceGastroenterology1731.3 mi
Nghiem B. HaGastroenterology1.3 mi
Michael LiGastroenterology2091.3 mi
Max BrondfieldGastroenterology1451.3 mi
David S. ShieldsGastroenterology443.0 mi
30 nearest Gastroenterology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Nephrology Doctors

Showing 10 of 30

30 Nephrology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Teresa ChenNephrology971.3 mi
Justin O. OveyssiNephrology4551.3 mi
Laalasa VaranasiNephrology4051.3 mi
Gabriel LoebNephrology741.3 mi
Jesse C. IkemeNephrology1.3 mi
Dana LarsenNephrology1781.3 mi
Stephen L. GluckNephrology3661.3 mi
Leena M. JoshiNephrology3962.9 mi
Josephus SanjorjoNephrology2903.0 mi
Hector L. SantiestebanNephrology2273.3 mi
30 nearest Nephrology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Neurology Doctors

Showing 10 of 30

30 Neurology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
John F. De GrootNeurology1091.3 mi
Jeffrey M. GelfandNeurology931.3 mi
Tina T. ShihNeurology2991.3 mi
Catherine L. HoerthNeurology771.3 mi
Thomas NelsonNeurology1.3 mi
Huaiyu YangNeurology3.0 mi
Katalin A. SzaboNeurology3.1 mi
Victoria D. LiuNeurology2413.7 mi
Lawrence Y. KimNeurology4393.7 mi
Neda Sattarnezhad OskoueiNeurology3.7 mi
30 nearest Neurology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Podiatry Doctors

Showing 10 of 30

30 Podiatry doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
David J. KaplanPodiatry423<1 mi
Kenneth J. PasseriPodiatry195<1 mi
Hannah H. LeePodiatry1.7K<1 mi
Gilbert K. HuangPodiatry950<1 mi
Rohan K. ThambyPodiatry1.3K<1 mi
Alireza GhamgosarPodiatry2.8K<1 mi
Giao LuongPodiatry5301.1 mi
Melissa J. SelnerPodiatry283.0 mi
Bill J. MetaxasPodiatry1.3K3.3 mi
Patricia Maria C. LimcaocoPodiatry3.6 mi
30 nearest Podiatry doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Pulmonology Doctors

Showing 10 of 30

30 Pulmonology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Julia MaheshwariPulmonary Disease2751.3 mi
Jonathan P. SingerPulmonary Disease1581.3 mi
Robert M. JasmerPulmonary Disease1.1K3.3 mi
Siyuan A. NiPulmonary Disease5443.3 mi
Bernard J. SteyerPulmonary Disease1.2K3.3 mi
Elliot L. NaidusPulmonary Disease6003.3 mi
Alexander D. ZiderPulmonary Disease6773.3 mi
Lawrence A. CoskeyPulmonary Disease9983.3 mi
Charles K. EverettPulmonary Disease8253.3 mi
Sigal TenePulmonary Disease4497.3 mi
30 nearest Pulmonology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Rheumatology Doctors

Showing 10 of 30

30 Rheumatology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Paul ShiuRheumatology<1 mi
Michael P. StevensRheumatology542<1 mi
Bryan GescukRheumatology521<1 mi
Robert SuRheumatology563<1 mi
Lianne S. GenslerRheumatology441.3 mi
Spencer T. LoweRheumatology2573.3 mi
Katherine WuRheumatology803.3 mi
Ernesto Zatarain RiosRheumatology4503.3 mi
Yashaar ChaichianRheumatology3047.3 mi
Tamiko R. KatsumotoRheumatology2597.7 mi
30 nearest Rheumatology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Urology Doctors

Showing 10 of 30

30 Urology doctors are indexed near 94401, CA. Showing the 10 closest to the center of 94401, CA, ordered by distance.

DoctorSpecialtyMedicare Patients / yrDistance
Josh HsuUrology1.8K<1 mi
Carissa ChuUrology351.3 mi
Marshall L. StollerUrology9381.3 mi
John LindseyUrology1.3 mi
Matthew R. CooperbergUrology2881.3 mi
Peter R. CarrollUrology5921.3 mi
David J. MartinUrology3.0 mi
John A. ConnollyUrology3.5K3.7 mi
Ori MelamudUrology1.9K3.7 mi
Todd S. YeciesUrology1.4K3.7 mi
30 nearest Urology doctors indexed for 94401, CA · call individual offices to confirm Medicare plan acceptance.

Community Context: 94401, CA

Doctor availability is shaped by the community around it. Areas with higher senior populations tend to have more primary care, cardiology, and geriatric specialists. Rural areas may have fewer specialists but stronger telehealth adoption. Here's the local context near 94401, CA:

6,104
Residents 65+
1324%
On Medicare
C
Area Safety Grade
90.2144
Households with Fiber

Demographics from the U.S. Census Bureau American Community Survey. Safety grades from CrimeGrade.org. Full neighborhood profiles at BestNeighborhood.org. Address-specific broadband options at ISPReports.org — important for Medicare beneficiaries considering telehealth visits.

Telehealth near 94401, CA: Is Your Internet Ready?

Many Medicare Advantage and some Part D plans now cover telehealth visits, making routine check-ins, specialist consults, and prescription refills easier from home. But telehealth requires reliable internet. Check providers at your specific address below. For official guidance on virtual visits, see Telehealth.HHS.gov from the U.S. Department of Health & Human Services.

For a full block-level internet report near 94401, CA, see ispreports.org.

Why Doctor Choice Matters for Medicare Beneficiaries

Medicare Advantage (Part C) plans each have their own provider networks. The specialist you want may be in-network for one plan and out-of-network for another. A few things to keep in mind when evaluating doctors near 94401, CA:

  • Network matters most. Medicare Advantage plans restrict which doctors you can use at in-network rates. Original Medicare + Medigap accepts any Medicare-enrolled provider. Always verify network status before enrolling.
  • Experience varies. Doctor experience levels range widely. Our pages show Medicare patient volume and procedure counts so you can gauge how frequently a doctor performs specific services.
  • Telehealth expands access. Many Medicare Advantage and Part D plans now cover telehealth visits — especially valuable for follow-ups, mental health, and specialist consults if mobility is limited. Check whether your address has reliable internet for telehealth →
  • Hospital affiliations matter for procedures. If you might need a procedure, check which hospitals your specialist is affiliated with — and whether those hospitals are also in your plan's network.

Read our complete guide to choosing a Medicare plan →Print our doctor questions checklist →

Doctor FAQ: 94401, CA

How many doctors accept Medicare near 94401, CA?
We list 480 Medicare-enrolled doctors near 94401, CA across 16 specialty categories. All are registered with Medicare; whether a specific Medicare Advantage plan covers them depends on that plan's provider network. Compare Medicare plans near 94401, CA →
How do I find out which Medicare plans my doctor accepts?
Three quick steps: (1) open any doctor profile above, (2) call the office to confirm which plans they currently accept for Medicare patients, and (3) compare the Medicare plans available near 94401, CA to pick the right one. You can also call 1-800-MEDICARE for help at any time.
Do doctors near 94401, CA offer telehealth?
Most Medicare-enrolled primary care physicians and many specialists now offer telehealth visits, especially since CMS expanded reimbursement in 2020. Availability varies by practice and by visit type — annual wellness exams and established-patient follow-ups are the most commonly offered virtual visits. Call the office directly to confirm what they offer and whether your plan covers it. Reliable broadband matters for video visits — check internet options near 94401, CA.
What's the difference between Medicare Advantage and Original Medicare for doctor access?
Original Medicare (Parts A + B) lets you see any doctor who accepts Medicare — no network restrictions. Medicare Advantage (Part C) plans restrict you to their provider network for in-network rates. Out-of-network care on Advantage plans typically costs much more, and some HMO-style plans don't cover it at all except in emergencies. Read our complete guide →
Is this data up to date?
Doctor identity, specialty, and address come from the CMS NPPES registry (refreshed monthly). Patient volumes and procedures come from CMS Medicare Provider Utilization & Payment Data (annual, typically 18 months in arrears). Hospital affiliations come from CMS Physician Compare. We refresh all three sources on each data release. Read our methodology →

About the Data & Editorial Team

Wes Ward

Wes Ward

Founder & Data Lead

Wes Ward reviews every doctor directory on this site for data accuracy, source verification, and methodology compliance. All 480 physicians listed near 94401, CA come from publicly available CMS sources and are displayed without requiring any personal information from visitors.

With 25+ years in data analytics — including work with highly regulated genomic data at Ancestry.com — Wes brings enterprise-level rigor to consumer data tools. He is also a co-founder of BestNeighborhood.org, CrimeGrade.org, and ISPReports.org, whose block-level data powers the local context on every page.

View full profile →LinkedIn

Transparency & Disclosures

InsuranceDataNow is an informational resource based in South Jordan, Utah. We are not affiliated with or endorsed by Medicare, CMS, or any doctor listed.

TPMO Disclaimer: We do not offer every plan available in your area. Any information we provide is limited to those plans we do offer in your area. Please contact Medicare.gov or 1-800-MEDICARE (24 hours a day/7 days a week) to get information on all of your options.

Sources

  • CMS NPPES: Provider identity, specialties, and addresses from npiregistry.cms.hhs.gov
  • Medicare Provider Utilization & Payment Data: Patient volumes and procedure counts from data.cms.gov
  • CMS Physician Compare: Hospital affiliations from data.cms.gov
  • CrimeGrade.org: Block-level safety data for 94401, CA
  • BestNeighborhood.org: Community profile for 94401, CA
  • ISPReports.org: Broadband availability for telehealth readiness

All data is sourced from official government databases and trusted third-party providers. Data is updated regularly — see page header for last refresh dates. Read our methodology →Privacy policy

Medicare Plans by Health Condition

These condition-specific pages show which Medicare plans score highest by CMS quality measures for each condition in this zip code:

Dual-Eligible Special Needs Plans (D-SNPs) in 94401, CA

If you qualify for both Medicare and Medicaid, a D-SNP combines both into a single plan — often with $0 premiums, $0 copays, and extra benefits like dental, vision, and transportation.

View D-SNP Plans in 94401, CA →

Community Health in 94401, CA

CDC PLACES data for 94401, CA. Higher screening rates and lower disease burden generally indicate better preventive care access — factors that influence plan choice.

Diabetes
10.5%
of adults · national avg 12.1%
Heart Disease
5.0%
coronary heart disease · national avg 6.2%
High Blood Pressure
27.8%
of adults · national avg 34.1%

Source: CDC PLACES (2025) — zip-level estimates.

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