Margaret Thieman, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

MD445384 Issued in PA

Practice address

631 N Broad Street Ext
Grove City, PA 16127-4603

Phone

(724) 450-7246

Fax

(724) 450-7246

NPI assigned

Apr 13, 2009

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Margaret Brannigan Former name

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA

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

HospitalistAlso: Internal Medicine

Education

Temple University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Allegheny ClinicGroup PAC ID 5395649586, 2,313 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Grove City Medical Center Hospital, Grove City, PA, CCN 390266

Merit-based Incentive Payment System (MIPS)

Final score

93.9 of 100Reported as apm

Quality

85.02

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mbrannigan10636@direct.ahn.org

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.

• Allegheny Clinic

  • Family Medicine Physician
  • Bethel Park, PA
  • NPI 1073081493
  Medicare reassignment Care Compare group NPD
• Allegheny Clinic

  • Primary Care Clinic/Center
  • Pittsburgh, PA
  • NPI 1215752548
  NPD
• Allegheny Clinic

  • Internal Medicine Physician
  • Pittsburgh, PA
  • NPI 1962795393
  NPD

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

• Grove City Medical Center

  • General Acute Care Hospital
  • Grove City, PA
  • NPI 1023000296
  Care Compare affiliation

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

{
    "created_epoch": "1239580800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775433600000",
    "number": "1700029345",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "631 N BROAD STREET EXT",
            "city": "GROVE CITY",
            "state": "PA",
            "postal_code": "161274603",
            "telephone_number": "724-450-7246",
            "fax_number": "724-450-7246"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "631 N BROAD STREET EXT",
            "city": "GROVE CITY",
            "state": "PA",
            "postal_code": "161274603",
            "telephone_number": "724-450-7246",
            "fax_number": "724-450-7246"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THIEMAN",
        "first_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-04-13",
        "last_updated": "2026-04-06",
        "certification_date": "2026-04-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "PA",
            "license": "MD445384",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1027152280001",
            "state": "PA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mbrannigan10636@direct.ahn.org",
            "affiliation": "N",
            "address_1": "320 E North Ave",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152124756",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "MARGARET",
            "last_name": "BRANNIGAN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Superior Ambulance Service, Inc.
• Eugenio A. Sybing, M.D.
• Olakunle O Taiwo, M.D.
• Michael Tarr, PT
• Heather Taylor
• Kevin A Thomas, D.O.
• Elaine Black Timko, LPC
• Timothy J. Lilly, D.O. & Assoc
• Holly Michelle Tissue-Thompson, PHARMD.
• TMS Physical Therapy PC

• Hospitalist Physician in Grove City, PA
• Providers in Grove City, PA by specialty
• Hospitalist Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 6, 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.