Melissa McNamara, MD
Rheumatology Physician · San Ramon, CA
Melissa McNamara, MD is a rheumatology physician with a practice address in San Ramon, California, and NPI 1477679793, issued on Mar 21, 2007. Check the license (California 79240, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Melissa McNamara
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 79240 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2301 Camino Ramon Ste 286, San Ramon, CA 94583
- Phone
- (925) 242-1111
- Enumerated
- Mar 21, 2007
- Record last updated
- Jan 2, 2025
- Fax
- (925) 901-0206
- Medicare enrollment
- Enrolled (PECOS I20071114000501); accepts Medicare assignment
- Medical or professional school
- University Of Florida College Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Melissa McNamara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 79240Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average rheumatology physician in 2024
18 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
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
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melissa McNamara among 926 rheumatology physician records in California
Melissa McNamara, MD 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 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2000 · median 2003 among the 641 with a school on file
- Record last updated2025 · 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 Ramon → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Margaret Li, MDUnion City, CA 945871215025317
- Maedeh VeysehUnion City, CA 945871891256467
- C. Michael Neuwelt, M.D.San Leandro, CA 945781598786790
- Sarah Gratton, M.D.Vallejo, CA 945891427140052
- Nicole Griffin, MDVallejo, CA 945891750469649
- Hui Pan, MDVallejo, CA 945891477631042
- Shraddha Prakash, M.D.San Leandro, CA 945771053576066
- Peter Rim, M.D.Vallejo, CA 945891730165044
Common questions
What is Melissa McNamara, MD's NPI number?
Melissa McNamara, MD's National Provider Identifier (NPI) is 1477679793, issued on Mar 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Melissa McNamara, MD located?
The NPPES record lists a practice address at 2301 Camino Ramon Ste 286, San Ramon, CA, 94583. Phone: (925) 242-1111. Providers update this record themselves, so call before visiting.
How can I verify Melissa McNamara, MD's license?
NPPES lists California license number 79240, 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 Melissa McNamara, MD prescribe under Medicare Part D?
In 2024, Melissa McNamara, MD had 18 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. 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.