ONE MEDICAL GROUP
NPI 1467781641
Family Medicine in San Francisco, CA
About One Medical Group NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONE MEDICAL GROUP (NPI 1467781641) is a healthcare organization registered as a family medicine in San Francisco, California and active in the NPI registry since December 2009. The organization lists Andrew Diamond, Chief Medical Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
One Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
291Medicare enrollment records show 291 clinicians reassign Medicare billing to One Medical Group, which bills Medicare for the services they deliver. Of these, 153 practice within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 10
Nearest to this location (20)
See all 291Source: 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 One Medical Group, Inc.'s NPI number?
The NPI number for One Medical Group, Inc. is 1467781641. It was assigned to this organization in the NPPES registry on December 16, 2009. The provider is doing business as One Medical Group.
Where is One Medical Group, Inc. located?
One Medical Group, Inc. is located at 2 Embarcadero Ctr Lbby Level, San Francisco, CA 94111. The listed phone number is (415) 578-3100.
What is One Medical Group, Inc.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is One Medical Group, Inc. enrolled in Medicare?
Yes. One Medical Group, Inc. is registered in the Medicare PECOS enrollment system.
When is One Medical Group, Inc.'s Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by November 30, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through One Medical Group, Inc.?
According to the CMS Revalidation Reassignment List (October 2026 release), 291 clinicians in 10 Medicare specialties reassign their Medicare billing to One Medical Group, 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. The largest specialties are Family Practice (104), Nurse Practitioner (99) and Internal Medicine (42). Of these, 153 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for One Medical Group, Inc. was last updated on October 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# One Medical Group · NPI 1467781641
Family Medicine organization in San Francisco, California. Organization record, active in the CMS NPPES registry since December 16, 2009.
## Identity
- **NPI:** 1467781641 (Entity type: Organization)
- **Enumerated:** December 16, 2009
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Legal business name:** One Medical Group, Inc.
- **Organization subpart:** No
- **Authorized official:** Andrew Diamond, CHIEF MEDICAL OFFICER
## Practice location
- **Address:** 2 EMBARCADERO CTR LBBY LEVEL, San Francisco, CA 94111-3823
- **Phone:** (415) 578-3100 · **Fax:** (415) 291-0489
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 291 clinicians in 10 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (104), Nurse Practitioner (99), Internal Medicine (42); 153 practice within 10 miles; [full list](https://npiprofile.com/npi/1467781641/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1467781641) · Data from the CMS NPPES public registry.