Doctor profile · Federal record

Dr. William Martyak, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · New Paris, PA

  • NPI 1407808298
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4186 Cortland Dr
New Paris, PA 155547706
(814) 839-4108
fax (814) 839-4845

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 27, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Pennsylvania #MA003500L

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407808298. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$69
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dexcom, INC. 2 $32.99
Otsuka Pharmaceutical Development & Commercialization, INC. 1 $18.00
Abbvie INC. 1 $17.94

By nature of payment

Food and Beverage
$69

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
334
Patients
40
Total drug cost
$5,613
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 46 16 $968
Losartan Potassium Generic 39 12 $683
Lisinopril Generic 31 0 $473
Rosuvastatin Calcium Generic 31 12 $750
Amlodipine Besylate Generic 29 0 $313
Clopidogrel (Clopidogrel Bisulfate) Brand 20 0 $396
Atorvastatin Calcium Generic 19 0 $447
Pravastatin Sodium Generic 19 0 $293
Simvastatin Generic 18 0 $169
Metoprolol Tartrate Generic 16 0 $139

Frequently asked questions

Auto-generated from federal data
What is Dr. William Martyak's medical specialty?
Dr. William Martyak practices Medical Physician Assistant in New Paris, PA.
Where does Dr. William Martyak practice?
Dr. William Martyak practices at 4186 Cortland Dr, New Paris, PA 155547706. Office phone: 8148394108.
What is Dr. William Martyak's NPI?
Dr. William Martyak's National Provider Identifier (NPI) is 1407808298, issued by NPPES.
Does Dr. William Martyak accept Medicare assignment?
Yes. Dr. William Martyak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.