Michael D Brown, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

Practice address

1725 W Harrison St
Suite 207
Chicago, IL 60612-3841

Phone

(312) 942-5861

NPI assigned

Jun 16, 2006

Sex

Male

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 IL

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

Gastroenterology

Education

Other, 1981

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Rush University Medical GroupGroup PAC ID 5496658874, 1,521 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Rush Oak Park Hospital Hospital, Oak Park, IL, CCN 140063
• Rush University Medical Center Hospital, Chicago, IL, CCN 140119

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mbrown2720@direct.rush.rush-health.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.

• Rush University Medical Group

  • Internal Medicine Physician
  • Chicago, IL
  • NPI 1093819542

  IL

  Medicare reassignment Care Compare group NPD
• Rush University Medical Center

  • Internal Medicine Physician
  • Oak Brook, IL
  • NPI 1801375696

  Gastroenterology

  NPD
• Rush University Medical Center

  • Clinic/Center
  • Chicago, IL
  • NPI 1356891618
  NPD (past)

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

• Rush Oak Park Hospital Inc

  • General Acute Care Hospital
  • Oak Park, IL
  • NPI 1558391706

  Hospital

  Care Compare affiliation
• Rush University Medical Center

  • Children's Hospital
  • Chicago, IL
  • NPI 1801908728

  Hospital

  Care Compare affiliation
• Rush University Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1932213600

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1150416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1265477293",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1725 W HARRISON ST",
            "address_2": "SUITE 207",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123841",
            "telephone_number": "312-942-5861"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1725 W HARRISON ST",
            "address_2": "SUITE 207",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606123841",
            "telephone_number": "312-942-5861"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BROWN",
        "first_name": "MICHAEL",
        "middle_name": "D",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-16",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Mary Magadalene Brown, PHD
• Matthew Alexander Brown, M.D.
• Maya Brown
• Melanie Brown, LPC
• Melissa Brown, CRNA
• Michael Ivan Brown, LPC
• Michelle Brown, LCSW
• Michelle Ann Brown, M.D.
• Mildred Brown, APN
• Nancy L Brown, MD

• All providers in Chicago, IL
• Gastroenterology Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.