Tatum Downing, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

5601010617 Issued in MI

Practice address

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

Phone

(734) 936-4000

NPI assigned

Aug 4, 2021

Last updated

Apr 21, 2025By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2021

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• Chelsea Hospital Hospital, Chelsea, MI, CCN 230259

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tmarshall693332@direct.trinity-health.org

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

• Regents of the University of Michigan

  • Physician Assistant
  • Ann Arbor, MI
  • NPI 1689609448
  Medicare reassignment Care Compare group NPD
• Regents of the University of Michigan

  • Specialty Pharmacy
  • Dexter, MI
  • NPI 1952181919
  NPD
• Regents of the University of Michigan

  dba University of Michigan Health System

  • General Acute Care Hospital
  • Ann Arbor, MI
  • NPI 1003878539
  NPD (past)

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

• St Joseph Mercy Chelsea Inc

  dba Chelsea Hospital

  • General Acute Care Hospital
  • Chelsea, MI
  • NPI 1992761985
  Care Compare affiliation

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

{
    "created_epoch": "1628035200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1745193600000",
    "number": "1902570815",
    "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": "775 S Main St",
            "address_purpose": "LOCATION",
            "city": "Chelsea",
            "state": "MI",
            "postal_code": "481181383",
            "country_code": "US",
            "telephone_number": "734-593-6000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "14650 E Old US Highway 12",
            "address_purpose": "LOCATION",
            "city": "Chelsea",
            "state": "MI",
            "postal_code": "481181801",
            "country_code": "US",
            "telephone_number": "734-475-4003",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DOWNING",
        "first_name": "TATUM",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-08-04",
        "last_updated": "2025-04-21",
        "certification_date": "2025-04-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MI",
            "license": "5601010617",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Christina Downey
• Mary Catherine Downey, CRNA
• Richard Stuart Downey, M.D.
• Brian K Downie, PA
• Elaine Downie, MD
• Downriver Medical Center, P.L.L.C.
• Lisa M Downs, CNRA
• Carter Philip Doyle, PMHNP-BC
• Christopher John Doyle, MD
• Dominic Doyle

• Physician Assistant in Ann Arbor, MI
• Providers in Ann Arbor, MI by specialty
• Physician Assistant in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 21, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.