Margaret Sutton O'Brien

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

036168037 Issued in IL

Practice address

5841 S Maryland Ave # 3077
Chicago, IL 60637-1443

Phone

(773) 834-0373

NPI assigned

Apr 19, 2021

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

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

Psychiatry

Education

University of Texas Medical School at Houston, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The University of Chicago Medical CenterGroup PAC ID 7618880766, 907 clinicians

University of ChicagoGroup PAC ID 7719899426, 1,674 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ingalls Memorial Hospital Hospital, Harvey, IL, CCN 140191
• The University of Chicago Medical Center Hospital, Chicago, IL, CCN 140088

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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.

• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1033218128
  Medicare reassignment Care Compare group NPD
• University of Chicago

  • Multi-Specialty Clinic/Center
  • Chicago, IL
  • NPI 1821048786
  Medicare reassignment Care Compare group NPD
• The University of Chicago Medical Center

  dba UCMC Pharmacy Services

  • Community/Retail Pharmacy
  • Calumet City, IL
  • NPI 1255895678
  NPD

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

• Ingalls Memorial Hospital

  • General Acute Care Hospital
  • Harvey, IL
  • NPI 1598756686
  Care Compare affiliation
• The University of Chicago Medical Center

  • General Acute Care Hospital
  • Chicago, IL
  • NPI 1508956509
  Care Compare affiliation

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

{
    "created_epoch": "1618790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756944000000",
    "number": "1134700495",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5841 S MARYLAND AVE # 3077",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606371443",
            "telephone_number": "773-834-0373"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MARGARET",
        "middle_name": "SUTTON",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2021-04-19",
        "last_updated": "2025-09-04",
        "certification_date": "2025-09-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "IL",
            "license": "036168037",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kevin O'Brien, MD
• Khelsea O'Brien
• Kristen N O'Brien, DPT
• Laurie Ann O'Brien, OTR/L
• Leah O'Brien, LCPC
• Maria E O'Brien, OTD, OTR/L
• Mark Farrell O'Brien, MS, LCPC
• Megan Marie O'Brien, PA-C
• Patricia O'Brien, OTR/L
• Rebecca O'Brien

• Psychiatry Physician in Chicago, IL
• Providers in Chicago, IL by specialty
• Psychiatry Physician in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 4, 2025; 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.