Doctor profile · Federal record

Dr. Sarah Marie Harnois, MD

Student in an Organized Health Care Education/Training Program (CMS: Internal Medicine) · Portland, ME

  • NPI 1811429632
  • Accepts Medicare
  • MIPS 85.7 / 100 · 2023
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St, Maine Medical Center
Portland, ME 041023134
(207) 662-0111

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
390200000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811429632. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
992
Distinct HCPCS
4
Medicare allowed
$108,426
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 538 232 $81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 176 172 $178
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 140 135 $122
99239 Hospital discharge day management, more than 30 minutes 138 133 $118

In context: peer comparison

Among 6 peers in Portland Student in an Organized Health Care Education/Training Program, average services per provider: 120. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
12
Total drug cost
$53
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $53

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Marie Harnois's medical specialty?
Dr. Sarah Marie Harnois practices Student in an Organized Health Care Education/Training Program in Portland, ME.
Where does Dr. Sarah Marie Harnois practice?
Dr. Sarah Marie Harnois practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076620111.
What is Dr. Sarah Marie Harnois's NPI?
Dr. Sarah Marie Harnois's National Provider Identifier (NPI) is 1811429632, issued by NPPES.
Does Dr. Sarah Marie Harnois accept Medicare assignment?
Yes. Dr. Sarah Marie Harnois accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Marie Harnois commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.