Doctor profile · Federal record

Dr. Patrick Gagnon, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Fairhaven, MA

  • NPI 1588869366
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
206 Mill RD
Fairhaven, MA 027195208
(508) 973-3000
fax (508) 973-3119
Mailing address
200 Mill RD Ste 180
Fairhaven, MA 027195255

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 22, 2020
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Massachusetts #243265
Medicaid
MA #110085893A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588869366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,354
Distinct HCPCS
10
Medicare allowed
$277,081
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 469 54 $46
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 435 27 $21
77014 Ct guidance for insertion of radiation therapy fields 312 45 $46
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 261 22 $21
77427 Radiation treatment management, 5 treatment sessions 190 56 $198
77300 Calculation of radiation therapy dose 171 43 $34
77427 Radiation treatment management, 5 treatment sessions 168 44 $198
77334 Design and construction of complex radiation treatment device 121 45 $62
77300 Calculation of radiation therapy dose 120 46 $34
77334 Design and construction of complex radiation treatment device 106 49 $62

In context: peer comparison

Among 1 peers in this city , average services per provider: 98. This provider delivers 34× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
68
Patients
33
Total drug cost
$1,601
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 29 15 $1,213
Lidocaine Hcl Viscous (Lidocaine Hcl) Brand 23 18 $374
Lorazepam Generic 16 0 $13

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Gagnon's medical specialty?
Dr. Patrick Gagnon practices Radiation Oncology Physician in Fairhaven, MA.
Where does Dr. Patrick Gagnon practice?
Dr. Patrick Gagnon practices at 206 Mill RD, Fairhaven, MA 027195208. Office phone: 5089733000.
What is Dr. Patrick Gagnon's NPI?
Dr. Patrick Gagnon's National Provider Identifier (NPI) is 1588869366, issued by NPPES.
Does Dr. Patrick Gagnon accept Medicare assignment?
Yes. Dr. Patrick Gagnon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Gagnon commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014). Source: CMS Medicare Physician & Other Practitioners file.