Doctor profile · Federal record

Dr. Stewart Fenigstein, DDS PC

General Practice Dentistry · Williamsville, NY

  • NPI 1669522702
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5214 Main Street, Suite 101
Williamsville, NY 14221
(716) 565-3900
fax (716) 565-3330

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
New York #040058

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669522702. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$10,162
Transactions
7
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 1 $9,995.00
Ultradent Products INC 1 $46.99
Geistlich Pharma, North America, INC. 1 $35.42
Patterson Companies, INC. 1 $23.25
Voco America INC. 1 $21.21
Solventum Corporation 1 $20.34
OraPharma, A Division of Bausch Health US, LLC 1 $19.35

By nature of payment

Gift
$10,042
Food and Beverage
$120

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
98
Patients
60
Total drug cost
$714
Drug Type Claims Patients Total cost
Amoxicillin Generic 65 48 $233
Clindamycin Hcl Generic 17 12 $141
Dexamethasone Generic 16 0 $339

Frequently asked questions

Auto-generated from federal data
What is Dr. Stewart Fenigstein's medical specialty?
Dr. Stewart Fenigstein practices General Practice Dentistry in Williamsville, NY.
Where does Dr. Stewart Fenigstein practice?
Dr. Stewart Fenigstein practices at 5214 Main Street, Williamsville, NY 14221. Office phone: 7165653900.
What is Dr. Stewart Fenigstein's NPI?
Dr. Stewart Fenigstein's National Provider Identifier (NPI) is 1669522702, issued by NPPES.