ADULT MEDICAL SERVICES, P.C.
NPI 1346315074
Internal Medicine in Williamsville, NY
About Adult Medical Services, P.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ADULT MEDICAL SERVICES, P.C. (NPI 1346315074) is a healthcare organization registered as an internal medicine in Williamsville, New York and active in the NPI registry since November 2006. The organization holds a CLIA Waiver certificate valid through August 12, 2027 and lists Sameer Shamoon Mamnoon, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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)
Adult Medical Services, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
7Medicare enrollment records show 7 clinicians reassign Medicare billing to Adult Medical Services, P.C., which bills Medicare for the services they deliver. Of these, 6 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (7)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 33D2018503
Adult Medical Services · Williamsville, NYFrequently 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 Adult Medical Services, P.C.'s NPI number?
The NPI number for Adult Medical Services, P.C. is 1346315074. It was assigned to this organization in the NPPES registry on November 21, 2006.
Where is Adult Medical Services, P.C. located?
Adult Medical Services, P.C. is located at 6645 Main Street Suite A, Williamsville, NY 14221. The listed phone number is (716) 276-8726.
What is Adult Medical Services, P.C.'s specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Adult Medical Services, P.C. enrolled in Medicare?
Yes. Adult Medical Services, P.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Adult Medical Services, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Adult Medical Services, 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 Nurse Practitioner (5) and Internal Medicine (2). Of these, 6 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Adult Medical Services, P.C. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 33D2018503) is associated with this NPI, valid through August 12, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Adult Medical Services, P.C. was last updated on May 21, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Adult Medical Services, P.c. · NPI 1346315074
Internal Medicine organization in Williamsville, New York. Organization record, active in the CMS NPPES registry since November 21, 2006.
## Identity
- **NPI:** 1346315074 (Entity type: Organization)
- **Enumerated:** November 21, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Organization subpart:** No
- **Authorized official:** Sameer Mamnoon, PRESIDENT
## Practice location
- **Address:** 6645 MAIN STREET, SUITE A, Williamsville, NY 14221
- **Phone:** (716) 276-8726 · **Fax:** (716) 276-8730
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 7 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (5), Internal Medicine (2); 6 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 21, 2013
- **Other identifiers:** Medicare UPIN BA0500 (NY)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1346315074) · Data from the CMS NPPES public registry.