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ERIC C. BUXTON MD, INC.
NPI 1922482660
Internal Medicine - Endocrinology, Diabetes & Metabolism in Greenbrae, CA

Active since July 13, 2015
599 SIR FRANCIS DRAKE BLVD, SUITE 305, GREENBRAE, CA 94904(415) 464-8677(415) 464-8718 Get Directions Write a Review

NPPES record last updated: July 13, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Eric C. Buxton Md, Inc. NPPES

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

ERIC C. BUXTON MD, INC. (NPI 1922482660) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Greenbrae, California and active in the NPI registry since July 2015. The organization lists Eric C. Buxton, Owner, as its authorized official.

NPPES Registry Identity

NPI1922482660
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameERIC C. BUXTON MD, INC.
Location Address599 SIR FRANCIS DRAKE BLVD, SUITE 305Greenbrae, CA 94904-1712
Mailing Address599 Sir Francis Drake Blvd, Suite 305Greenbrae, CA 94904-1712 · (415) 464-8677 · Fax (415) 464-8718
Phone(415) 464-8677
Fax(415) 464-8718
Organization SubpartNo
Authorized OfficialEric C. BuxtonOwner · (415) 464-8677
Enumeration DateJuly 13, 2015
✔ NPI 1922482660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A78113
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
599 SIR FRANCIS DRAKE BLVD, Greenbrae, CA 94904
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN00A781131CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eric C. Buxton Md, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Eric C. Buxton MD, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Eric Buxton, M.D.
Endocrinology
NPI 1134210362
350 PARNASSUS AVE SUITE 707
San Francisco, CA 94117
(415) 681-7707
✔ PECOS14 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Eric C. Buxton MD, Inc.'s NPI number?

The NPI number for Eric C. Buxton MD, Inc. is 1922482660. It was assigned to this organization in the NPPES registry on July 13, 2015.

Where is Eric C. Buxton MD, Inc. located?

Eric C. Buxton MD, Inc. is located at 599 Sir Francis Drake Blvd Suite 305, Greenbrae, CA 94904. The listed phone number is (415) 464-8677.

What is Eric C. Buxton MD, Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Eric C. Buxton MD, Inc. enrolled in Medicare?

Yes. Eric C. Buxton MD, Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eric C. Buxton MD, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Endocrinology) reassigns their Medicare billing to Eric C. Buxton MD, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eric C. Buxton MD, Inc. was last updated on July 13, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.