Individual provider Active NPI

Maria S Sinnott, CRNA

  • Certified Registered Nurse Anesthetist
  • Ann Arbor, MI
National Provider Identifier
1679604276
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
4704212873 Issued in MI
Practice address
1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone
(734) 936-4000
NPI assigned
Mar 8, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 4704212873 MI Primary

Addresses

Primary practice location

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000

Mailing address

3621 S State St
Ann Arbor, MI 48108-1633
Phone (734) 647-5299

Other practice location 1

1500 E Medical Center Drive
1H247 University Hospital
Ann Arbor, MI 48109-5048
Phone (734) 936-4280

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20070823000307 MI Practitioner - Certified Registered Nurse Anesthetist (Crna) 8426140310 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Regents of the University of MichiganGroup PAC ID 3779496856, 3,344 clinicians
Huron Gastroenterology Associates PCGroup PAC ID 0840288221, 95 clinicians

Practice addresses (Care Compare)

1500 E Medical Ctr Dr
Ann Arbor, MI 48109-5000
Phone (734) 936-4000

4270 Plymouth Rd
Ann Arbor, MI 48109-2700
Phone (734) 936-4000

5300 Elliott Dr
Ypsilanti, MI 48197-8632
Phone (734) 434-6262

7500 Challis Rd
Brighton, MI 48116-9416
Phone (734) 936-4000

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
4704212873MIMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Spectrum Health Primary Care Partners Current Accepting new patients
Huron Gastroenterology Associates PC CurrentSince Jul 30, 2025 Accepting new patients
Regents of the University of Michigan CurrentSince Feb 14, 2012 Accepting new patients
Spectrum Health Primary Care Partners CurrentSince Dec 14, 2025 Accepting new patients
Huron Gastroenterology Associates PC Nurse Anesthetist, Certified Registered CurrentSince Jul 30, 2025 Accepting new patients
Botsford General Hospital Nurse Anesthetist, Certified Registered CurrentSince Jun 19, 2023 Accepting new patients
Regents of the University of Michigan Nurse Anesthetist, Certified Registered CurrentSince Feb 14, 2012 Accepting new patients
Kalamazoo Anesthesiology P C CurrentSince May 1, 2024 Accepting new patients
Botsford General Hospital CurrentSince Jun 19, 2023 Accepting new patients
Crnas of Michigan Nurse Anesthetist, Certified Registered Past Accepting new patients

Locations

4270 Plymouth Rd
Ann Arbor, MI 48109
Phone (734) 232-3000

1500 E Medical Center Dr
#1H247
Ann Arbor, MI 48109
Phone (734) 936-4280

3621 S State St
#700
Ann Arbor, MI 48108

3621 S State St
Ann Arbor, MI 48108
Phone (734) 647-5229

1500 E Medical Center Dr
Ann Arbor, MI 48109
Phone (734) 936-4280

28050 Grand River Ave
Farmington Hills, MI 48336
Phone (248) 471-8000

620 Byron Rd
Howell, MI 48843
Phone (517) 545-5450

900 Peeler St
Kalamazoo, MI 49008
Phone (269) 345-8618

4444 Kalamazoo Ave SE
Ste 200
Kentwood, MI 49508
Phone (616) 391-5600

36650 5 Mile Rd
Ste 100
Livonia, MI 48154
Phone (734) 432-0314

36650 5 Mile Rd
Ste 101
Livonia, MI 48154
Phone (734) 434-6262

3601 W 13 Mile Rd
Royal Oak, MI 48073

5300 Elliott Dr
Ypsilanti, MI 48197
Phone (734) 434-6262

Interoperability endpoints

  • FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

Organizations & group practices 10

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.

NPI Registry JSON

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

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1679604276",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3621 S STATE ST",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481081633",
            "telephone_number": "734-647-5299"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 E MEDICAL CENTER DR",
            "city": "ANN ARBOR",
            "state": "MI",
            "postal_code": "481095000",
            "telephone_number": "734-936-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 E Medical Center Drive",
            "address_2": "1H247 University Hospital",
            "address_purpose": "LOCATION",
            "city": "Ann Arbor",
            "state": "MI",
            "postal_code": "481095048",
            "country_code": "US",
            "telephone_number": "734-936-4280",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINNOTT",
        "first_name": "MARIA",
        "middle_name": "S",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-03-08",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MI",
            "license": "4704212873",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ann Arbor, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.