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DR. MELISSA MCNAMARA MD
NPI 1477679793
Internal Medicine - Rheumatology in San Ramon, CA

Active since March 21, 2007PECOS EnrolledAccepts Medicare Assignment
2301 CAMINO RAMON STE 286, SAN RAMON, CA 94583(925) 242-1111(925) 901-0206 Get Directions Write a Review

NPPES record last updated: January 2, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Melissa Mcnamara Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MELISSA MCNAMARA MD (NPI 1477679793) is an individual rheumatology provider in San Ramon, California, licensed in California (79240) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (2000).

NPPES Registry Identity

NPI1477679793
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. MELISSA MCNAMARACredential: MD
Location Address2301 CAMINO RAMON STE 286San Ramon, CA 94583-2029
Mailing Address2301 Camino Ramon Ste 286San Ramon, CA 94583-2029 · (925) 242-1111 · Fax (925) 901-0206
Phone(925) 242-1111
Fax(925) 901-0206
Sole ProprietorNo
Medical School CMSUniversity Of Florida College Of MedicineGraduated 2000
Enumeration DateMarch 21, 2007
Last NPPES UpdateJanuary 2, 2025
NPPES CertifiedJanuary 2, 2025
✔ NPI 1477679793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · 79240
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
2301 CAMINO RAMON STE 286, San Ramon, CA 94583
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Melissa Mcnamara Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810085461
PECOS Enrollment IDI20071114000501
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94583 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARTHRITIS AND RHEUMATOLOGY CENTER, PROFESSIONAL CORPORATION
Internal Medicine (Rheumatology)
2301 CAMINO RAMON STE 286
SAN RAMON, CA 94583
Contra Costa County (925) 242-1111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Mcnamara's NPI number?

The NPI number for Melissa Mcnamara is 1477679793. It was assigned to this individual provider in the NPPES registry on March 21, 2007.

Where is Melissa Mcnamara located?

Melissa Mcnamara practices at 2301 Camino Ramon Ste 286, San Ramon, CA 94583. The listed phone number is (925) 242-1111.

What is Melissa Mcnamara's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Melissa Mcnamara enrolled in Medicare?

Yes. Melissa Mcnamara is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Melissa Mcnamara was last updated on January 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.