ROBERT S ARMSTRONG M.D.
NPI 1003058520
Surgery in West Seneca, NY
About Robert S Armstrong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT S ARMSTRONG M.D. (NPI 1003058520) is an individual surgery provider in West Seneca, New York, licensed in New York (274206-1) and active in the NPI registry since March 2009. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital Of Buffalo, and is a graduate of Wright State University Boonshoft School Of Medicine (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Robert S Armstrong M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Robert Armstrong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
West Seneca, NY 14224
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Hospital Of Buffalo
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Robert Armstrong's NPI number?
The NPI number for Robert Armstrong is 1003058520. It was assigned to this individual provider in the NPPES registry on March 30, 2009.
Where is Robert Armstrong located?
Robert Armstrong practices at 550 Orchard Park Rd Ste A103, West Seneca, NY 14224. The listed phone number is (716) 677-5500.
What is Robert Armstrong's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Robert Armstrong enrolled in Medicare?
Yes. Robert Armstrong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Robert Armstrong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Armstrong reassigns Medicare benefits to Surgical Associates Of Western Ny PC (West Seneca, NY). The 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 Robert Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Robert Armstrong affiliated with any hospitals?
According to CMS data, Robert Armstrong is affiliated with Mercy Hospital Of Buffalo.
When was this NPI record last updated?
The NPPES record for Robert Armstrong was last updated on May 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.