NPPES file of Aug 9, 2026

Arthur Feldman, M.D.

Internal Medicine Physician · San Jose, CA

Arthur Feldman, M.D. is an internal medicine physician with a practice address in San Jose, California, and NPI 1669576864, issued on Sep 11, 2006. Check the license (California G17187, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669576864
Name
Arthur Feldman
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G17187 CA
Self-reported in NPPES; status is on the state search
Practice location
227 N Jackson Ave, San Jose, CA 95116
Phone
(408) 871-3400
Enumerated
Sep 11, 2006
Record last updated
Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00G171870 CA
Medicare enrollment
Enrolled (PECOS I20090115000234); accepts Medicare assignment
Medical or professional school
Northwestern University Feinberg Medical School, 1968
Telehealth
Offers telehealth (CMS)
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 227 N Jackson Ave

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

  1. Jack Ackerman, DOInternal Medicine Physician1780794107
  2. Dinesh Bhuva, M.D.Orthopaedic Surgery Physician1760592075
  3. Charles Bruhn, M.D.Endocrinology, Diabetes & Metabolism Physician1790895928
  4. Marina Chechelnitsky, M.D.Ophthalmology Physician1629188875
  5. Dean Didech, M.D.Pediatrics Physician1417973942
  6. Maria Govorkova, M.D.Ophthalmology Physician1639511488

Verify Arthur Feldman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G17187
    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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96% more Medicare Part D claims than the average internal medicine physician in 2024

6,232 Medicare Part D claims for 762 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 237 claims were for opioids.

  1. Arthur Feldman6,232
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium413 claims
  2. Losartan Potassium272 claims
  3. Amlodipine Besylate267 claims
  4. Levothyroxine Sodium176 claims
  5. Lisinopril153 claims
  6. Metformin Hcl148 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score83.8
  2. Costout of 100 · 30%61.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. EL Camino Health Medical Network LLCSan Jose, CA

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

Arthur Feldman among 17,696 internal medicine physician records in California

Arthur Feldman, M.D. 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
  • Graduated1968 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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. Komal Bhatt, MDSan Jose, CA 951161003824699
  2. Richard Cathey, M.D.San Jose, CA 951161750343323
  3. Dinh Dam, M.D.San Jose, CA 951161518936616
  4. Jaco Fishenfeld, MDSan Jose, CA 951161689639577
  5. Jose Maria Guanzon, MDSan Jose, CA 951161134150881
  6. Teresita Guanzon, MDSan Jose, CA 951161306877055
  7. Dwight Lim, MDSan Jose, CA 951161124084561
  8. Syed Majid, MD, FRCP, FASAMSan Jose, CA 951161225009533

Common questions

What is Arthur Feldman, M.D.'s NPI number?

Arthur Feldman, M.D.'s National Provider Identifier (NPI) is 1669576864, issued on Sep 11, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arthur Feldman, M.D. located?

The NPPES record lists a practice address at 227 N Jackson Ave, San Jose, CA, 95116. Phone: (408) 871-3400. Providers update this record themselves, so call before visiting.

How can I verify Arthur Feldman, M.D.'s license?

NPPES lists California license number G17187, 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 Arthur Feldman, M.D. prescribe under Medicare Part D?

In 2024, Arthur Feldman, M.D. had 6,232 Medicare Part D claims for 762 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Arthur Feldman, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.