Helen Feng, MD
Rheumatology Physician · San Jose, CA
Helen Feng, MD is a rheumatology physician with a practice address in San Jose, California, and NPI 1629174149, issued on Sep 15, 2006. Check the license (California G85995, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Helen Feng
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G85995 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2242 Camden Ave, San Jose, CA 95124
- Phone
- (408) 963-6359
- Enumerated
- Sep 15, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (408) 963-6761
- Medicare enrollment
- Enrolled (PECOS I20070828001132); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2242 Camden Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Helen Feng in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G85995Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
About as many Medicare Part D claims as the average rheumatology physician in 2024
1,977 Medicare Part D claims for 280 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate381 claims
- Prednisone149 claims
- Methotrexate136 claims
- Alendronate Sodium110 claims
- Vascepa99 claims
- Prolia95 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 MIPS final score for 2023 (Medicare payment program): 91.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,021.38
211 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
Other rheumatology physician records in California
- Khurram Abbass, MDSan Jose, CA1154455178
- Mai Abdelnabi, MDSan Francisco, CA1013394980
- Brian Abe, MD, PHDStanford, CA1104262708
- Thomas Abel, MDMonte Sereno, CA1871679399
- Feruza AbraamyanRoseville, CA1124769278
- Thomas Adamson, M.D.San Diego, CA1639187057
- Sana Afroz, MDMoreno Valley, CA1356724074
- Ishita Aggarwal, MDSan Francisco, CA1518385699
- Atul Agrawal, MDAntioch, CA1528146016
- Bikramjit Ahluwalia, MDApple Valley, CA1669402467
Common questions
What is Helen Feng, MD's NPI number?
Helen Feng, MD's National Provider Identifier (NPI) is 1629174149, issued on Sep 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Helen Feng, MD located?
The NPPES record lists a practice address at 2242 Camden Ave, San Jose, CA, 95124. Phone: (408) 963-6359. Providers update this record themselves, so call before visiting.
How can I verify Helen Feng, MD's license?
NPPES lists California license number G85995, 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 Helen Feng, MD prescribe under Medicare Part D?
In 2024, Helen Feng, MD had 1,977 Medicare Part D claims for 280 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Helen Feng, MD's MIPS final score?
The 2023 MIPS final score is 91.5 of 100. 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.