Michael Popkin Stevens, M.D.
Rheumatology Physician · San Mateo, CA
Michael Popkin Stevens, M.D. is a rheumatology physician with a practice address in San Mateo, California, and NPI 1932198793, issued on Oct 14, 2005. Check the license (California G59207, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Popkin Stevens
- Credential
- M.D.
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G59207 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 S San Mateo Dr, San Mateo, CA 94401
- Phone
- (650) 348-6011
- Enumerated
- Oct 14, 2005
- Record last updated
- Mar 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (650) 348-6027
- Medicaid ID
- 00G592070 CA
- Medicare enrollment
- Enrolled (PECOS I20081111000561); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1985
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 101 S San Mateo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marieta Angtuaco, M.D.Specialist1548324536
- Jack Bernstein, MDInternal Medicine Physician1457301384
- Catrina Blake, FNPNurse Practitioner1205472115
- Jonathan Briskin, M.D.Cardiovascular Disease Physician1417032376
- Doris Burton, MDDiagnostic Radiology Physician1285837906
- Mary Dobbins, M.D.Internal Medicine Physician1407837693
Verify Michael Popkin Stevens in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G59207Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,280 Medicare Part D claims for 189 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 71 claims were for opioids.
Most prescribed
- Methotrexate260 claims
- Prednisone217 claims
- Hydroxychloroquine Sulfate97 claims
- Meloxicam74 claims
- Tramadol Hcl70 claims
- Febuxostat65 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): 73.7 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,280.15
60 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Biotech, 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.
Bills Medicare through one group practice
- San Mateo Rheumatology IncSan Mateo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Popkin Stevens among 926 rheumatology physician records in California
Michael Popkin Stevens, M.D. is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1985 · median 2003 among the 641 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in San Mateo → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Rhonda Lambert, MDSan Mateo, CA 944011942230230
- Paul ShiuSan Mateo, CA 944011508495433
- Bryan Gescuk, M.D.San Mateo, CA 944031295815579
- David Yocum, M.D.San Mateo, CA 944041477766772
- Siba Raychaudhuri, M.D.Palo Alto, CA 943061821033275
- Brian Abe, MD, PHDStanford, CA 943051104262708
- Christine Anastasiou Perlegos, MDStanford, CA 943051881038818
- Matthew Baker, MDStanford, CA 943051518252204
Common questions
What is Michael Popkin Stevens, M.D.'s NPI number?
Michael Popkin Stevens, M.D.'s National Provider Identifier (NPI) is 1932198793, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Popkin Stevens, M.D. located?
The NPPES record lists a practice address at 101 S San Mateo Dr, San Mateo, CA, 94401. Phone: (650) 348-6011. Providers update this record themselves, so call before visiting.
How can I verify Michael Popkin Stevens, M.D.'s license?
NPPES lists California license number G59207, 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 Michael Popkin Stevens, M.D. prescribe under Medicare Part D?
In 2024, Michael Popkin Stevens, M.D. had 1,280 Medicare Part D claims for 189 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Michael Popkin Stevens, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.7 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.