Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark D Cousineau, MD

Individual provider Emergency Medicine Physician · NPI 1477634335

Dr. Mark D Cousineau, MD is an Emergency Medicine in Portland, Maine. Qualified in 2002, 24 years ago. Practices with Emergency Coverage LLC, a 771-clinician group and accepts Medicare assignment. Licensed in Kentucky and Maine.

Years since qualifying
24
Licensed in
KY, ME
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-7050
Fax: (207) 662-7054
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence EC-05-081 (ME)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 59926 (KY)

Record details

NPI number1477634335
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 18, 2006
Last updated in NPPESMarch 9, 2026
Certification dateMarch 9, 2026
Mailing address22 Bramhall St, Portland, ME 04102-3134

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2002 (24 years in practice)
Group practice Emergency Coverage Llc — 771 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Portland