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

Dr. Michael Peter Griffin, DNP, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1740803774

Dr. Michael Peter Griffin, DNP, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Portland, Maine. Qualified in 2020, 6 years ago. Practices with Mainehealth, a 2,615-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Alabama and Maine.

Years since qualifying
6
Licensed in
AL, ME
In the registry since
2020
Specialties on file
2
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

22 Bramhall St
Portland, ME 04102-3134
Phone: (207) 662-2526
Fax: (207) 662-6236
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (4)

  • 1813 6th Ave S, Birmingham, AL 35233-1920 — (205) 934-4011
  • 1 Medical Center Dr, Biddeford, ME 04005-9422 — (207) 283-7042
  • 25 June St, Sanford, ME 04073-2621 — (207) 490-7450
  • 84 Campus Dr, Scarborough, ME 04074-7133 — (207) 396-7000

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RNA253022 (ME)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 1-136755 (AL)

Record details

NPI number1740803774
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP , CRNA
Sole proprietorYes
NPI enumeratedMay 26, 2020
Last updated in NPPESMarch 31, 2025
Certification dateMarch 31, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mainehealth — 2615 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Portland