Michael H. Simpson, M.D.

Primary specialty

Obesity Medicine (Family Medicine) PhysicianTaxonomy code 207QB0002X

License

01065834A Issued in IN

Practice address

200 W Superior St Ste 300
Chicago, IL 60654-5563

Phone

(773) 327-6800

Fax

(773) 327-6877

NPI assigned

Nov 9, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in IN

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

Family Practice

Education

Other, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Community Care Network IncGroup PAC ID 3678737012, 378 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Mary Medical Center Inc Hospital, Hobart, IN, CCN 150034

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: michael.simpson.1@6721.direct.athenahealth.com

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.

• Community Care Network Inc

  • Family Medicine Physician
  • St John, IN
  • NPI 1457610487
  Medicare reassignment Care Compare group NPD
• Exceptional Health Partners S.C.

  • Internal Medicine Physician
  • Momence, IL
  • NPI 1477741452

  Family Medicine

  NPD (past)
• 219 Health Network, Inc.

  • Federally Qualified Health Center (FQHC)
  • Hobart, IN
  • NPI 1265148498
  NPD (past)
• Shifa Clinic, P.C.

  • Specialist
  • Valparaiso, IN
  • NPI 1639107790
  NPD (past)
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1962504175
  NPD (past)

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

• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1558463745
  Care Compare affiliation
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1962504175
  Care Compare affiliation

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

{
    "created_epoch": "1163030400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784764800000",
    "number": "1194895680",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 W SUPERIOR ST STE 300",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606545563",
            "telephone_number": "773-327-6800",
            "fax_number": "773-327-6877"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W SUPERIOR ST STE 300",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606545563",
            "telephone_number": "773-327-6800",
            "fax_number": "773-327-6877"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMPSON",
        "first_name": "MICHAEL",
        "middle_name": "H.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-11-09",
        "last_updated": "2026-07-23",
        "certification_date": "2026-07-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IL",
            "license": "036112784",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "WI",
            "license": "54865-020",
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "IN",
            "license": "01065834A",
            "primary": false
        },
        {
            "code": "207QB0002X",
            "taxonomy_group": "",
            "desc": "Family Medicine, Obesity Medicine",
            "state": "IN",
            "license": "01065834A",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "PAYEE 1",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katie L Simpson
• Lindberg Kipling Simpson, M.B;B.S.
• Madalyn Simpson, LMFT
• McKenna Sue Simpson, OTD, OTR/L
• Michael Daniel Simpson Sr., COTA/L
• Mindy L. Simpson, M.D.
• Natalie Simpson, PA-C
• Russell Oliver Simpson
• Sumithra Simpson, APN CRNA
• Tamara Simpson

• Obesity Medicine (Family Medicine) Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Obesity Medicine (Family Medicine) Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 23, 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.