Doctor profile · Federal record

Dr. Mark Cousineau, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Portland, ME

  • NPI 1477634335
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-7050
fax (207) 662-7054

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
March 9, 2026
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Maine #EC-05-081 · Kentucky #59926
Medicaid
GA #490446404A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477634335. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
501
Distinct HCPCS
4
Medicare allowed
$55,169
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 229 222 $165
99284 Emergency department visit with moderate level of medical decision making 126 126 $113
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 112 107 $8
99283 Emergency department visit with low level of medical decision making 34 34 $66

In context: peer comparison

Among 44 peers in this city , average services per provider: 68. This provider delivers 7.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
134
Patients
133
Total drug cost
$989
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 39 39 $325
Prednisone Generic 37 36 $108
Cephalexin Generic 23 23 $210
Doxycycline Hyclate Generic 21 21 $316
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 14 14 $31

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Cousineau's medical specialty?
Dr. Mark Cousineau practices Emergency Medicine Physician in Portland, ME.
Where does Dr. Mark Cousineau practice?
Dr. Mark Cousineau practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076627050.
What is Dr. Mark Cousineau's NPI?
Dr. Mark Cousineau's National Provider Identifier (NPI) is 1477634335, issued by NPPES.
Does Dr. Mark Cousineau accept Medicare assignment?
Yes. Dr. Mark Cousineau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Cousineau commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.