SISTERS OB GYN SERVICES
NPI 1659396380
Obstetrics & Gynecology in Buffalo, NY
About Sisters Ob Gyn Services NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SISTERS OB GYN SERVICES (NPI 1659396380) is a healthcare organization registered as an obstetrics & gynecology in Buffalo, New York and active in the NPI registry since July 2006. The organization lists Peter Bergman, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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)
Sisters Ob Gyn Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
514Medicare enrollment records show 514 clinicians reassign Medicare billing to Sisters Ob Gyn Services, which bills Medicare for the services they deliver. Of these, 22 practice at this address and 360 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 41
Nearest to this location (20)
See all 514Source: 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 Sisters Of Charity Hospital Of Buffalo, New York's NPI number?
The NPI number for Sisters Of Charity Hospital Of Buffalo, New York is 1659396380. It was assigned to this organization in the NPPES registry on July 13, 2006. The provider is doing business as Sisters Ob Gyn Services.
Where is Sisters Of Charity Hospital Of Buffalo, New York located?
Sisters Of Charity Hospital Of Buffalo, New York is located at 2157 Main St, Buffalo, NY 14214. The listed phone number is (716) 862-1000.
What is Sisters Of Charity Hospital Of Buffalo, New York's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Sisters Of Charity Hospital Of Buffalo, New York enrolled in Medicare?
Yes. Sisters Of Charity Hospital Of Buffalo, New York is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Sisters Of Charity Hospital Of Buffalo, New York?
According to the CMS Revalidation Reassignment List (October 2026 release), 514 clinicians in 41 Medicare specialties reassign their Medicare billing to Sisters Of Charity Hospital Of Buffalo, New York. 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 Nurse Practitioner (140), Internal Medicine (95) and Obstetrics/Gynecology (68). Of these, 22 practice at this address and 360 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 Sisters Of Charity Hospital Of Buffalo, New York was last updated on April 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Sisters Ob Gyn Services · NPI 1659396380
Obstetrics & Gynecology organization in Buffalo, New York. Organization record, active in the CMS NPPES registry since July 13, 2006.
## Identity
- **NPI:** 1659396380 (Entity type: Organization)
- **Enumerated:** July 13, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Legal business name:** Sisters Of Charity Hospital Of Buffalo, New York
- **Organization subpart:** No
- **Authorized official:** Peter Bergman, CEO
## Practice location
- **Address:** 2157 MAIN ST, Buffalo, NY 14214-2648
- **Phone:** (716) 862-1000 · **Fax:** (716) 213-0348
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 514 clinicians in 41 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (140), Internal Medicine (95), Obstetrics/Gynecology (68); 22 practice at this address and 360 within 10 miles; [full list](https://npiprofile.com/npi/1659396380/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 7, 2008
- **Other identifiers:** Medicaid 02878811 (NY); Medicare PIN BA0943 (NY)
---
Source: [NPI Profile](https://npiprofile.com/npi/1659396380) · Data from the CMS NPPES public registry.