Melissa Mcnamara, MD
NPI 1477679793 · Rheumatology Physician · San Ramon, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Mcnamara, MD is a Rheumatology Physician provider in San Ramon, CA (NPI 1477679793).
Provider details
- NPI number
- 1477679793
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 79240 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-21
- Last updated
- 2025-01-02
- Certified
- 2025-01-02
Frequently asked questions
- What is Melissa Mcnamara's NPI number?
- Melissa Mcnamara's National Provider Identifier (NPI) is 1477679793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Mcnamara's specialty?
- Melissa Mcnamara is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Mcnamara located?
- Melissa Mcnamara's practice location on file with NPPES is 2301 Camino Ramon Ste 286, San Ramon, CA 94583-2029.
- What is Melissa Mcnamara's phone number?
- The practice phone number listed in the NPPES registry for Melissa Mcnamara is (925) 242-1111.
- Does Melissa Mcnamara accept Medicare?
- Melissa Mcnamara is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Mcnamara's NPI active?
- Yes — Melissa Mcnamara's NPI (1477679793) is active in the NPPES registry as of the last update on 2025-01-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.