Gregory Paul Stimac, MD, MSC

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

MD488049 Issued in PA

Practice address

300 Halket St Ste 2601
Pittsburgh, PA 15213-3108

Phone

(412) 641-4274

NPI assigned

Mar 21, 2020

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

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

Surgical Oncology

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Magee Womens Hospital of Upmc Health System Hospital, Pittsburgh, PA, CCN 390114

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: gstimac1145498@direct.sw.org
• Direct secure messaging: gregory.stimac@upmcdirect.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.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004

  PA

  Medicare reassignment Care Compare group NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  Care Compare group NPD
• University of Pittsburgh Physicians

  • Anesthesiology Physician
  • Pittsburgh, PA
  • NPI 1033125455
  NPD
• Upmc Emergency Medicine Inc

  • Emergency Medicine Physician
  • Pittsburgh, PA
  • NPI 1891744041
  NPD (past)

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

• Upmc Magee-Womens Hospital

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1659435501

  Hospital

  Care Compare affiliation
• Upmc Magee-Womens Hospital

  • General Acute Care Hospital
  • Pittsburgh, PA
  • NPI 1952311508

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1584748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1962038976",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 HALKET ST STE 2601",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133108"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 HALKET ST STE 2601",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133108",
            "telephone_number": "412-641-4274"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "STIMAC",
        "first_name": "GREGORY",
        "middle_name": "PAUL",
        "credential": "MD, MSC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-21",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD488049",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "UPMChospitals@upmcdirect.com",
            "affiliation": "N",
            "address_1": "600 Grant St Fl 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192739",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Still Blooming Counseling Services, LLC
• Anderson E Still, M.D.
• Charmaine C Stillitano, MSW,LCSW
• Terri Lynn Stillwell, MD
• Brianna Borgia Stilwell, PHARMD
• Pamela E. Stimac, MSW
• Thayne Stine
• Takeisha Stinson
• Juraj Stipka, MD
• Chaise Stiteler

• All providers in Pittsburgh, PA
• Surgery Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 12, 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.