Doctor profile · Federal record

Dr. Robert Fenstermaker, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Buffalo, NY

  • NPI 1376549683
  • Accepts Medicare
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Elm and Carlton Streets
Buffalo, NY 142630001
(716) 845-2300
fax (716) 845-8980

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
October 11, 2019
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
New York #197873
Medicaid
NY #01548838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376549683. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$17,312
HCPCS Description Services Patients Avg allowed
61796 Computer-assisted radiosurgery of simple growth of brain, first growth 18 18 $962

In context: peer comparison

Among 5 peers in Buffalo Neurological Surgery Physician, average services per provider: 37. This provider delivers 0.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Fenstermaker's medical specialty?
Dr. Robert Fenstermaker practices Neurological Surgery Physician in Buffalo, NY.
Where does Dr. Robert Fenstermaker practice?
Dr. Robert Fenstermaker practices at Elm and Carlton Streets, Buffalo, NY 142630001. Office phone: 7168452300.
What is Dr. Robert Fenstermaker's NPI?
Dr. Robert Fenstermaker's National Provider Identifier (NPI) is 1376549683, issued by NPPES.
Does Dr. Robert Fenstermaker accept Medicare assignment?
Yes. Dr. Robert Fenstermaker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Fenstermaker commonly perform?
Top Medicare-reported procedures in 2023: Computer-assisted radiosurgery of simple growth of brain, first growth (HCPCS 61796). Source: CMS Medicare Physician & Other Practitioners file.