Mitchell Smielewski, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

4301517947 Issued in MI

Practice address

3535 W 13 Mile Rd
Royal Oak, MI 48073-6770

Phone

(248) 551-3000

NPI assigned

Jun 21, 2023

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Electronic endpoints 1

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

Internal Medicine

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Oakwood Ambulatory LLCGroup PAC ID 1850282914, 271 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beaumont Hospital Royal Oak Hospital, Royal Oak, MI, CCN 230130

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• Oakwood Ambulatory LLC

  • Internal Medicine Physician
  • Dearborn, MI
  • NPI 1003829441
  Care Compare group

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

• William Beaumont Hospital

  • General Acute Care Hospital
  • Troy, MI
  • NPI 1306825997
  Care Compare affiliation
• William Beaumont Hospital

  • General Acute Care Hospital
  • Royal Oak, MI
  • NPI 1689653305
  Care Compare affiliation
• William Beaumont Hospital

  • General Acute Care Hospital
  • Grosse Pointe, MI
  • NPI 1932396017
  Care Compare affiliation

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

{
    "created_epoch": "1687305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1851076392",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26901 BEAUMONT BLVD STE 3D",
            "city": "SOUTHFIELD",
            "state": "MI",
            "postal_code": "480333849"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 W 13 MILE RD",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736770",
            "telephone_number": "248-551-3000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3601 W 13 Mile Rd",
            "address_purpose": "LOCATION",
            "city": "Royal Oak",
            "state": "MI",
            "postal_code": "480736712",
            "country_code": "US",
            "telephone_number": "248-551-3000",
            "fax_number": "248-551-9425",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SMIELEWSKI",
        "first_name": "MITCHELL",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-06-21",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301517947",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "msmielewski1256427@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "3535 W 13 Mile Rd",
            "city": "Royal Oak",
            "state": "MI",
            "country_code": "US",
            "postal_code": "480736770",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kristina Sarah Slifco, MA, CF-SLP
• Karen Michaela Slota, DC
• Jeanne Slowley, ST
• Shane Corey Sluka, PA
• Amy Smark, M.D.
• Kathleen Smigels, LPC, NCC, CADC, CPRM
• Smile Detroit PC
• Alliyah Smith, LLMSW
• Andrea Arenas Smith, C.N.M., R.N.
• Andrew Smith, LLMSW

• Internal Medicine Physician in Royal Oak, MI
• Providers in Royal Oak, MI by specialty
• Internal Medicine Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.