Hallie Williams, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

MA060068 Issued in PA

Practice address

3471 5TH Ave Ste 811
Suite 810 LKB
Pittsburgh, PA 15213-3232

Phone

(412) 692-4920

NPI assigned

Oct 26, 2018

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

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2018

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

• Upmc Presbyterian Shadyside Hospital, Pittsburgh, PA, CCN 390164

Merit-based Incentive Payment System (MIPS)

Final score

80.94 of 100Reported as group

Quality

61.89

Promoting interoperability

100

Improvement activities

40

Cost

74.58

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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 and National Provider Directory roles.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment Care Compare group
• University of Pittsburgh Physicians

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

  • Neurology Physician
  • Pittsburgh, PA
  • NPI 1730147133
  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 Presbyterian Shadyside

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1144384082

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Methadone Clinic
  • Pittsburgh, PA
  • NPI 1518089200

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Psychiatric Hospital Unit
  • Pittsburgh, PA
  • NPI 1750390134
  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • General Acute Care Hospital
  • Pittsburgh, PA
  • NPI 1821007881
  Care Compare affiliation

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

{
    "created_epoch": "1540512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1326515453",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3471 5TH AVE",
            "address_2": "KAUFMANN MEDICAL BUILDING SUITE 810",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133215"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3471 5TH AVE STE 811",
            "address_2": "SUITE 810 LKB",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133232",
            "telephone_number": "412-692-4920"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "HALLIE",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-10-26",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PA",
            "license": "MA060068",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "hallie.gilbert@upmcdirect.com",
            "affiliation": "Y",
            "affiliationName": "UPMC",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Elizabeth Lynne Williams, MD
• Elizabeth Michelle Williams
• Erika Williams
• Erika D Williams, FNP-C
• Grace Williams, CCC-SLP
• Harry K Williams Jr., MD
• Heidi Bree Williams, BA
• Jackie Williams, CRNP
• Jacob Williams
• Jacqueline Williams, DPM

• Physician Assistant in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Physician Assistant in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.