Doctor profile · Federal record

Dr. Mary Guertin, DNP, APRN, FNP-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Palmer, MA

  • NPI 1285146498
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
40 Wright St
Palmer, MA 010691138
(413) 370-5400
fax (413) 370-5654
Mailing address
280 Chestnut St Fl 2
Springfield, MA 011991660

Credentials & registration

NPPES · NUCC
NPI registered
October 2017 — 9 yrs on file
Profile last updated
February 1, 2018
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Massachusetts #RN195723

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285146498. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
507
Distinct HCPCS
4
Medicare allowed
$47,559
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 312 189 $79
46600 Diagnostic exam of anus using an endoscope 130 99 $106
99203 New patient office or other outpatient visit, 30-44 minutes 46 46 $97
46221 Removal of external hemorrhoids by rubber banding 19 12 $252

In context: peer comparison

Among 4 peers in this city , average services per provider: 83. This provider delivers 6.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
35
Total drug cost
$2,301
Drug Type Claims Patients Total cost
Hydrocortisone Generic 41 35 $644
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 20 0 $387
Loperamide (Loperamide Hcl) Brand 20 0 $1,270

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Guertin's medical specialty?
Dr. Mary Guertin practices Family Nurse Practitioner in Palmer, MA.
Where does Dr. Mary Guertin practice?
Dr. Mary Guertin practices at 40 Wright St, Palmer, MA 010691138. Office phone: 4133705400.
What is Dr. Mary Guertin's NPI?
Dr. Mary Guertin's National Provider Identifier (NPI) is 1285146498, issued by NPPES.
Does Dr. Mary Guertin accept Medicare assignment?
Yes. Dr. Mary Guertin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Guertin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of anus using an endoscope (HCPCS 46600); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.