Doctor profile · Federal record

Dr. Peter Zayac, PA

Surgical Physician Assistant (CMS: Physician Assistant) · Pittsfield, MA

  • NPI 1477075968
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Park St
Pittsfield, MA 012014037
(413) 499-6600

Credentials & registration

NPPES · NUCC
NPI registered
July 2017 — 9 yrs on file
Profile last updated
July 21, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363AS0400X — NUCC code
State license (1)
Massachusetts #PA6162

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477075968. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
3
Medicare allowed
$5,397
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 27 27 $104
99283 Emergency department visit with low level of medical decision making 15 15 $62
29827 Repair of shoulder rotator cuff using an endoscope 11 11 $151

In context: peer comparison

Among 5 peers in Pittsfield Surgical Physician Assistant, average services per provider: 22. This provider delivers 2.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, INC. 2 $38.03

By nature of payment

Food and Beverage
$38

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
109
Patients
64
Total drug cost
$662
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 41 39 $260
Oxycodone Hcl Generic 22 12 $75
Diclofenac Sodium Generic 17 0 $161
Ibuprofen Generic 15 0 $111
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 13 $56

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Zayac's medical specialty?
Dr. Peter Zayac practices Surgical Physician Assistant in Pittsfield, MA.
Where does Dr. Peter Zayac practice?
Dr. Peter Zayac practices at 24 Park St, Pittsfield, MA 012014037. Office phone: 4134996600.
What is Dr. Peter Zayac's NPI?
Dr. Peter Zayac's National Provider Identifier (NPI) is 1477075968, issued by NPPES.
Does Dr. Peter Zayac accept Medicare assignment?
Yes. Dr. Peter Zayac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Zayac commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Emergency department visit with low level of medical decision making (HCPCS 99283); Repair of shoulder rotator cuff using an endoscope (HCPCS 29827). Source: CMS Medicare Physician & Other Practitioners file.