Doctor profile · Federal record

Dr. William Stephan, MD

Family Medicine Physician · Tonawanda, NY

  • NPI 1952370173
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4080 Delaware Ave
Tonawanda, NY 141503516
(716) 875-7399
fax (716) 259-9088
Mailing address
400 International Dr.
Williamsville, NY 14221

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
August 19, 2019
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New York #171247
Medicaid
NY #01528270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952370173. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
9
Medicare allowed
$29,819
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 166 105 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 93 66 $119
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 81 12 $1
99212 Established patient office or other outpatient visit, 10-19 minutes 46 29 $53
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 30 19 $22
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 23 22 $14
96372 Injection of drug or substance under skin or into muscle 17 14 $12
90686 Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage 15 15 $22
G0008 Administration of influenza virus vaccine 15 15 $30

In context: peer comparison

Among 4 peers in Tonawanda Family Medicine Physician, average services per provider: 42. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,732
Transactions
193
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 39 $574.68
Novo Nordisk INC 22 $422.11
AstraZeneca Pharmaceuticals Lp 14 $396.57
Pfizer INC. 23 $306.89
Lilly USA, LLC 13 $231.16
Astellas Pharma US INC 17 $184.06
Sumitomo Pharma America, INC. 10 $173.79
Exact Sciences Corporation 9 $163.04
GlaxoSmithKline, LLC. 10 $137.39
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 10 $136.39
Abbott Laboratories 7 $131.86
Phathom Pharmaceuticals, INC. 7 $118.19
Corcept Therapeutics 5 $118.16
Boehringer Ingelheim Pharmaceuticals, INC. 4 $86.12
Axsome Therapeutics, INC. 3 $67.39

By nature of payment

Food and Beverage
$3,692
Education
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,605
Patients
1,262
Total drug cost
$251,724
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 760 181 $14,490
Telmisartan Generic 431 115 $17,535
Omeprazole Generic 351 72 $3,919
Metoprolol Succinate Generic 332 98 $6,533
Rosuvastatin Calcium Generic 303 93 $6,622
Pantoprazole Sodium Generic 293 77 $3,994
Synthroid (Levothyroxine Sodium) Brand 290 68 $22,935
Potassium Chloride Generic 289 65 $9,955
Furosemide Generic 268 71 $1,926
Amlodipine Besylate Generic 261 60 $1,979

Frequently asked questions

Auto-generated from federal data
What is Dr. William Stephan's medical specialty?
Dr. William Stephan practices Family Medicine Physician in Tonawanda, NY.
Where does Dr. William Stephan practice?
Dr. William Stephan practices at 4080 Delaware Ave, Tonawanda, NY 141503516. Office phone: 7168757399.
What is Dr. William Stephan's NPI?
Dr. William Stephan's National Provider Identifier (NPI) is 1952370173, issued by NPPES.
What procedures does Dr. William Stephan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.