Individual provider Active NPI

Michael Peter Griffin, DNP, CRNA

  • Certified Registered Nurse Anesthetist
  • Portland, ME
National Provider Identifier
1740803774
Registry record updated Mar 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
RNA253022 Issued in ME
Practice address
22 Bramhall St
Portland, ME 04102-3134
Phone
(207) 662-2526
Fax
(207) 662-6236
NPI assigned
May 26, 2020
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 1-136755 AL
Certified Registered Nurse Anesthetist 367500000X RNA253022 ME Primary

Addresses

Primary practice location

22 Bramhall St
Portland, ME 04102-3134

Mailing address

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 662-2526

Other practice location 1

1813 6th Ave S
Birmingham, AL 35233-1920
Phone (205) 934-4011

Other practice location 2

25 June St
Sanford, ME 04073-2621
Phone (207) 490-7450

Other practice location 3

1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 283-7042

Other practice location 4

84 Campus Dr
Scarborough, ME 04074-7133
Phone (207) 396-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AL, ME2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20200707002013 AL Practitioner - Certified Registered Nurse Anesthetist (Crna) 1052734274 Reassigns benefits to 1 organization
I20250507002176 ME Practitioner - Certified Registered Nurse Anesthetist (Crna) 1052734274 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MainehealthGroup PAC ID 7517860588, 2,616 clinicians

Practice addresses (Care Compare)

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

619 19TH St S
Birmingham, AL 35249-1900
Phone (205) 934-4011

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
1-136755ALMDCertified Registered Nurse Anesthetist
RNA253022MEMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Mainehealth CurrentSince Jun 30, 2025 Accepting new patients
Mainehealth Current Accepting new patients
Mainehealth CurrentSince Jun 30, 2025 Accepting new patients
University of Alabama Health Services Foundation, PC. CurrentSince Jun 1, 2020 Accepting new patients

Locations

619 19th St S
Birmingham, AL 35249

619 19th St S
Birmingham, AL 35233
Phone (205) 934-6405

1813 6th Ave S
Birmingham, AL 35233
Phone (205) 934-1180

1 Medical Dr
Biddeford, ME 04005
Phone (207) 283-7000

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

25 June St
Sanford, ME 04073
Phone (207) 324-4310

84 Campus Dr
Scarborough, ME 04074
Phone (207) 396-7000

Interoperability endpoints

  • Direct secure messaging: mpgriffin@direct.uabmedicine.org

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 36

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 36

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1590451200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1740803774",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023134",
            "telephone_number": "207-662-2526",
            "fax_number": "207-662-6236"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 BRAMHALL ST",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041023134",
            "telephone_number": "207-662-2526",
            "fax_number": "207-662-6236"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1813 6th Ave S",
            "address_purpose": "LOCATION",
            "city": "Birmingham",
            "state": "AL",
            "postal_code": "352331920",
            "country_code": "US",
            "telephone_number": "205-934-4011",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "25 June St",
            "address_purpose": "LOCATION",
            "city": "Sanford",
            "state": "ME",
            "postal_code": "040732621",
            "country_code": "US",
            "telephone_number": "207-490-7450",
            "fax_number": "207-490-7452",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7042",
            "fax_number": "207-283-7047",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "84 Campus Dr",
            "address_purpose": "LOCATION",
            "city": "Scarborough",
            "state": "ME",
            "postal_code": "040747133",
            "country_code": "US",
            "telephone_number": "207-396-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRIFFIN",
        "first_name": "MICHAEL",
        "middle_name": "PETER",
        "name_prefix": "Dr.",
        "credential": "DNP, CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2020-05-26",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AL",
            "license": "1-136755",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "ME",
            "license": "RNA253022",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portland, ME

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.