ONE MEDICAL OF NY, P.C.
NPI 1861709487
Family Medicine in New York, NY
About One Medical Of Ny, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ONE MEDICAL OF NY, P.C. (NPI 1861709487), doing business as One Medical Group, is a healthcare organization registered as a family medicine in New York, New York and active in the NPI registry since September 2010. The organization lists Andrew S Diamond, President, Treasurer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
One Medical Of Ny, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
138Medicare enrollment records show 138 clinicians reassign Medicare billing to One Medical Of Ny, P.C., which bills Medicare for the services they deliver. Of these, 5 practice at this address and 121 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 138Source: 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 Of Ny, P.C.'s NPI number?
The NPI number for One Medical Of Ny, P.C. is 1861709487. It was assigned to this organization in the NPPES registry on September 2, 2010. The provider is doing business as One Medical Group. The provider is also known as One Medical.
Where is One Medical Of Ny, P.C. located?
One Medical Of Ny, P.C. is located at 489 5th Ave Fl 3, New York, NY 10017. The listed phone number is (415) 658-6791.
What is One Medical Of Ny, P.C.'s specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is One Medical Of Ny, P.C. enrolled in Medicare?
Yes. One Medical Of Ny, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through One Medical Of Ny, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 138 clinicians in 4 Medicare specialties reassign their Medicare billing to One Medical Of Ny, P.C.. 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 (76), Nurse Practitioner (38) and Internal Medicine (22). Of these, 5 practice at this address and 121 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 Of Ny, P.C. was last updated on October 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# One Medical Of Ny, P.c. · NPI 1861709487
Family Medicine organization in New York, New York. Organization record, active in the CMS NPPES registry since September 2, 2010.
## Identity
- **NPI:** 1861709487 (Entity type: Organization)
- **Enumerated:** September 2, 2010
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **Also known as:** One Medical Group (Doing Business As); One Medical (Other Name)
- **Organization subpart:** No
- **Authorized official:** Andrew Diamond, PRESIDENT, TREASURER
## Practice location
- **Address:** 489 5TH AVE FL 3, New York, NY 10017-6145
- **Phone:** (415) 658-6791 · **Fax:** (415) 520-0904
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 138 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Family Practice (76), Nurse Practitioner (38), Internal Medicine (22); 5 practice at this address and 121 within 10 miles; [full list](https://npiprofile.com/npi/1861709487/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 30, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861709487) · Data from the CMS NPPES public registry.