Doctor profile · Federal record

Dr. Michael Griffin, DNP, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Portland, ME

  • NPI 1740803774
  • Accepts Medicare
  • 6 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-2526
fax (207) 662-6236
Additional location
1 Medical Center Dr
Biddeford, ME 040059422
(207) 283-7042
fax (207) 283-7047
Additional location
25 June St
Sanford, ME 040732621
(207) 490-7450
fax (207) 490-7452
Show 2 more locations
Additional location
84 Campus Dr
Scarborough, ME 040747133
(207) 396-7000
Additional location
1813 6Th Ave S
Birmingham, AL 352331920
(205) 934-4011

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
March 31, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Maine #RNA253022 · Alabama #1-136755

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740803774. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,428
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 16 16 $89

In context: peer comparison

Among 36 peers in this city , average services per provider: 20. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Chiesi USA, Inc. 1 $19.37

By nature of payment

Food and Beverage
$19

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Griffin's medical specialty?
Dr. Michael Griffin practices Certified Registered Nurse Anesthetist in Portland, ME.
Where does Dr. Michael Griffin practice?
Dr. Michael Griffin practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076622526.
What is Dr. Michael Griffin's NPI?
Dr. Michael Griffin's National Provider Identifier (NPI) is 1740803774, issued by NPPES.
Does Dr. Michael Griffin accept Medicare assignment?
Yes. Dr. Michael Griffin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Griffin commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.