Michael Robert Wiltrakis, D.O

Key facts

NPI

1447465349

Entity type

Individual (NPI type 1)

Primary specialty

Internal Medicine Physician 207R00000X

License

5101016411 (MI)

Practice address

5900 Byron Center Ave SW
Wyoming, MI 49519-9606

Phone

(616) 252-7200

Fax

(616) 252-7830

NPI assigned

May 14, 2007

Sex

Male

Sole proprietor

No

Organizations & group practices 5

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.

• Metropolitan Hospital Internal Medicine Physician · Wyoming, MI · NPI 1811937519
  Medicare reassignment Care Compare group NPD INTERNAL MEDICINE · MI
• Metropolitan Hospital General Acute Care Hospital · Wyoming, MI · NPI 1619923919
  Care Compare group NPD (past)
• Metropolitan Hospital Hematology & Oncology Physician · Wyoming, MI · NPI 1487813200
  Care Compare group
• Metropolitan Hospital Family Medicine Physician · Wyoming, MI · NPI 1114947538
  NPD INTERNAL MEDICINE
• Metropolitan Hospital Anatomic Pathology & Clinical Pathology Physician · Wyoming, MI · NPI 1336182542
  NPD (past)

Hospital & facility affiliations 3

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

• Faith Hospice Community Based Hospice Care Agency · Byron Center, MI · NPI 1790739282
  Care Compare affiliation Hospice
• Metropolitan Hospital General Acute Care Hospital · Wyoming, MI · NPI 1619923919
  Care Compare affiliation Hospital
• Saint Mary'S Health Services General Acute Care Hospital · Grand Rapids, MI · NPI 1639111057
  Care Compare affiliation Hospital

Owned or controlled facilities with NPI records 1

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Healthbridge LLC Skilled Nursing Facility · Wyoming, MI · NPI 1326565862
  CMS ownership ADP OF THE SNF · OPERATIONAL/MANAGERIAL CONTROL

Medicare Care Compare profile

Specialty

Hospitalist
Also: Internal Medicine

Education

Michigan State University College of Osteopathic Medicine, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Metropolitan Hospital (421 clinicians)

Practice addresses (Care Compare)

Hospital & facility affiliations

• Faith Hospice at Trillium Woods Hospice · Byron Center, MI · CCN 231570
• University of Michigan Health - West Hospital · Wyoming, MI · CCN 230236
• Mercy Health Saint Mary'S Hospital · Grand Rapids, MI · CCN 230059

Medicare participation

Medicare fee-for-service enrollment

Enrolled in MI

Eligible to order & refer

Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

All facility ownership & control disclosures 1

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Medicare enrollment records

National Provider Directory

Medicare enrollment (NPD)

Yes

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mwiltrakis2400@direct.metrohealth.net

Specialties & licenses

Addresses

The complete NPPES record for this NPI in the NPI Registry API JSON format, last updated by the provider on Apr 24, 2026.

{
    "created_epoch": "1179100800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776988800000",
    "number": "1447465349",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5900 BYRON CENTER AVE SW",
            "address_2": "MEDICAL ADMINISTRATION",
            "city": "WYOMING",
            "state": "MI",
            "postal_code": "495199606",
            "telephone_number": "616-252-3243",
            "fax_number": "616-252-0260"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5900 BYRON CENTER AVE SW",
            "city": "WYOMING",
            "state": "MI",
            "postal_code": "495199606",
            "telephone_number": "616-252-7200",
            "fax_number": "616-252-7830"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILTRAKIS",
        "first_name": "MICHAEL",
        "middle_name": "ROBERT",
        "name_prefix": "Dr.",
        "credential": "D.O",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-14",
        "last_updated": "2026-04-24",
        "certification_date": "2026-04-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5101016411",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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All providers in Wyoming, MI · Internal Medicine Physician in Michigan