NPPES file of Aug 9, 2026

Marcus T. Chow, MD

Internal Medicine Physician · San Jose, CA

Marcus T. Chow, MD is an internal medicine physician with a practice address in San Jose, California, and NPI 1215013727, issued on Oct 27, 2006. Check the license (California A68085, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1215013727
Name
Marcus T. Chow
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A68085 CA
Self-reported in NPPES; status is on the state search
Practice location
275 Hospital Pkwy, San Jose, CA 95119
Phone
(408) 972-7000
Enumerated
Oct 27, 2006
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A680850 CA
Medicare enrollment
Enrolled (PECOS I20040310001607); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 275 Hospital Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adam Aboubakare, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1174244479
  2. Francis Abueg, PH.D.Clinical Psychologist1356408124
  3. Ava Afshari, PHARM.DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1114396884
  4. Jennifer Aoto, PHARM.D., CDEPharmacist1497990733
  5. Muhammed Asmer, MD, FRCSCObstetrics & Gynecology Physician1477443158
  6. Richard Beaver, PH.D.Health Service Psychologist1487673596

Verify Marcus T. Chow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A68085
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

280 Medicare Part D claims for 187 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.

  1. Marcus Chow280
  2. Specialty average3,176

Most prescribed

  1. Meloxicam49 claims
  2. Cefadroxil24 claims
  3. Cephalexin19 claims
  4. Hydrocodone-Acetaminophen17 claims
  5. Amoxicillin-Clavulanate Potass16 claims
  6. Adacel Tdap12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Permanente Medical Group IncSanta Clara, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marcus T. Chow among 17,696 internal medicine physician records in California

Marcus T. Chow, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1997 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

428 internal medicine physician records list a practice address in San Jose

They are 428 of the 20,925 NPPES records with a practice address in San Jose, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Monte Bernstein, M.D.San Jose, CA 951191730262593
  2. Jagpreet Bhatia, MDSan Jose, CA 951191205912722
  3. Malathi Charlu, MDSan Jose, CA 951191316023815
  4. Cornelia Chin, MDSan Jose, CA 951191104902634
  5. Monica Delzeit, M.D.San Jose, CA 951191912005349
  6. Sony Haris, MDSan Jose, CA 951191750467288
  7. Denley Jang, M.D.San Jose, CA 951191659479970
  8. John Kabahit, DOSan Jose, CA 951191073699583

Common questions

What is Marcus T. Chow, MD's NPI number?

Marcus T. Chow, MD's National Provider Identifier (NPI) is 1215013727, issued on Oct 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marcus T. Chow, MD located?

The NPPES record lists a practice address at 275 Hospital Pkwy, San Jose, CA, 95119. Phone: (408) 972-7000. Providers update this record themselves, so call before visiting.

How can I verify Marcus T. Chow, MD's license?

NPPES lists California license number A68085, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcus T. Chow, MD prescribe under Medicare Part D?

In 2024, Marcus T. Chow, MD had 280 Medicare Part D claims for 187 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.