Millicent Ashley Tresh, DO

Primary specialty

Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X

License

5101022081 Issued in MI

Practice address

1215 E Michigan Ave
Lansing, MI 48912-1811

Phone

(517) 364-4610

NPI assigned

Jun 3, 2014

Last updated

May 11, 2026By 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 2

Addresses

Other names 1

• Millicent Schratz Former name

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physical Medicine and Rehabilitation

Education

Other, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Msu Health Care Inc.Group PAC ID 8628404936, 201 clinicians

Mary Free Bed Rehabilitation HospitalGroup PAC ID 4587576541, 135 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Edward W Sparrow Hospital Hospital, Lansing, MI, CCN 230230
• Mary Free Bed at Sparrow Inpatient rehabilitation facility, Lansing, MI, CCN 23T230

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

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.

• Mary Free Bed Rehabilitation Hospital

  • Rehabilitation Hospital
  • Grand Rapids, MI
  • NPI 1730133463
  Medicare reassignment Care Compare group NPD
• Msu Health Care Inc

  • Allergy & Immunology Physician
  • East Lansing, MI
  • NPI 1700418670
  Medicare reassignment Care Compare group
• Mary Free Bed Rehabilitation Hospital

  dba Mary Free Bed Medical Group

  • Physical Medicine & Rehabilitation Physician
  • Grand Rapids, MI
  • NPI 1053641589
  NPD
• Msu Health Care Inc.

  • Physical Medicine & Rehabilitation Physician
  • East Lansing, MI
  • NPI 1477185429
  NPD
• Msu Health Care Inc.

  • Diagnostic Radiology Physician
  • East Lansing, MI
  • NPI 1275165052
  NPD (past)

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

• Edward W Sparrow Hospital Association

  dba University of Michigan Health-Sparrow Lansing

  • General Acute Care Hospital
  • Lansing, MI
  • NPI 1073588711
  Care Compare affiliation
• Edward W Sparrow Hospital Association

  dba Thoracic Cardiovascular Institute

  • General Acute Care Hospital
  • Lansing, MI
  • NPI 1760710719
  Care Compare affiliation
• Edward W. Sparrow Hospital Association

  dba University of Michigan Health-Sparrow

  • Rehabilitation Hospital Unit
  • Lansing, MI
  • NPI 1477512424

  Inpatient rehabilitation facility

  Care Compare affiliation

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

{
    "created_epoch": "1401753600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778457600000",
    "number": "1376956797",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "235 WEALTHY ST SE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495035247",
            "telephone_number": "616-840-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1215 E MICHIGAN AVE",
            "city": "LANSING",
            "state": "MI",
            "postal_code": "489121811",
            "telephone_number": "517-364-4610"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2900 Collins Rd",
            "address_purpose": "LOCATION",
            "city": "Lansing",
            "state": "MI",
            "postal_code": "489108394",
            "country_code": "US",
            "telephone_number": "517-975-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRESH",
        "first_name": "MILLICENT",
        "middle_name": "ASHLEY",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-06-03",
        "last_updated": "2026-05-11",
        "certification_date": "2026-05-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MI",
            "license": "5101022081",
            "primary": true
        },
        {
            "code": "2081P2900X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation, Pain Medicine",
            "state": "MI",
            "license": "5101022081",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MILLICENT",
            "last_name": "SCHRATZ",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jamie Traverse McCormack, DO
• Beth Trefil, PMHNP-BC
• John W Treloar II, D.C.
• Kirk Jayson Trentham, MD
• Brandy Millington Trentin, PA-C
• Tri-County Aging Consortium (Tri-County Office on Aging)
• Tri-County Cousneling Service LLC
• Tri-County Office on Aging
• Trillium Dental PC
• Amy Trinh

• Physical Medicine & Rehabilitation Physician in Lansing, MI
• Providers in Lansing, MI by specialty
• Physical Medicine & Rehabilitation Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 11, 2026; 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.