Doctor profile · Federal record

Dr. Peter Guilfoyle, PA-C

Physician Assistant · Athletic Trainer · Physician Assistant · Gorham, ME

  • NPI 1427011568
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
19 S Gorham Xing
Gorham, ME 040382690
(207) 535-1400
Additional location
137 Main St
Newport, VT 058554415
(802) 995-2412
Additional location
457 Railroad St Ste 2
St Johnsbury, VT 058191643
(802) 663-6351
Mailing address
655 Main St
Saco, ME 040721699

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
October 6, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363A00000X — NUCC code
State licenses (3)
Maine #PA1400 · Vermont #104-0000105 · Vermont #055.0031165

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427011568. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
78
Distinct HCPCS
3
Medicare allowed
$4,742
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 38 37 $59
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 14 14 $79

In context: peer comparison

Among 1 peers in Gorham Physician Assistant, average services per provider: 26. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
348
Patients
307
Total drug cost
$2,632
Drug Type Claims Patients Total cost
Prednisone Generic 107 102 $311
Azithromycin Generic 49 49 $308
Cephalexin Generic 49 47 $381
Doxycycline Monohydrate Generic 45 44 $571
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 21 $253
Lisinopril Generic 18 0 $106
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 17 17 $353
Polymyxin B Sul-Trimethoprim (Polymyxin B Sulf/Trimethoprim) Brand 15 14 $139
Atorvastatin Calcium Generic 14 0 $134
Amoxicillin Generic 13 13 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Guilfoyle's medical specialty?
Dr. Peter Guilfoyle practices Physician Assistant in Gorham, ME.
Where does Dr. Peter Guilfoyle practice?
Dr. Peter Guilfoyle practices at 19 S Gorham Xing, Gorham, ME 040382690. Office phone: 2075351400.
What is Dr. Peter Guilfoyle's NPI?
Dr. Peter Guilfoyle's National Provider Identifier (NPI) is 1427011568, issued by NPPES.
Does Dr. Peter Guilfoyle accept Medicare assignment?
Yes. Dr. Peter Guilfoyle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Guilfoyle 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 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.