Garrett Ossolinski, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

6312 Issued in SC

Practice address

171 Ashley Ave
Charleston, SC 29425-0100

Phone

(843) 792-1414

NPI assigned

Sep 8, 2023

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in NY, SC2 enrollments

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 2

Specialty

Physician Assistant

Education

Other, 2023

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Trustees of Columbia University in the City of New YorkGroup PAC ID 8527972546, 2,262 clinicians

University Medical Associates of the Medical University of South CarolGroup PAC ID 6305758574, 1,634 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Musc Medical Center Hospital, Charleston, SC, CCN 420004

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: tpt9006@direct.nyp.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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 Medical Associates of the Medical University of South Carol

  • Multi-Specialty Clinic/Center
  • Charleston, SC
  • NPI 1043241110
  Medicare reassignment Care Compare group
• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347
  Medicare reassignment Care Compare group
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488

  Physician Assistant

  NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1861907321

  Physician Assistant

  NPD

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

• Medical University Hospital Authority

  • General Acute Care Hospital
  • Charleston, SC
  • NPI 1073605879
  Care Compare affiliation
• Medical University Hospital Authority

  • Rehabilitation Hospital
  • Orangeburg, SC
  • NPI 1154020147
  Care Compare affiliation
• Medical University Hospital Authority

  • General Acute Care Hospital
  • Charleston, SC
  • NPI 1659435840
  Care Compare affiliation
• Medical University Hospital Authority

  • Psychiatric Hospital
  • Orangeburg, SC
  • NPI 1669171740
  Care Compare affiliation
• Medical University Hospital Authority

  • General Acute Care Hospital
  • Orangeburg, SC
  • NPI 1710683354
  Care Compare affiliation
• Medical University Hospital Authority

  • General Acute Care Hospital
  • Orangeburg, SC
  • NPI 1770280299
  Care Compare affiliation

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

{
    "created_epoch": "1694131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773619200000",
    "number": "1760269344",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "171 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294250100",
            "telephone_number": "843-792-1414"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "171 ASHLEY AVE",
            "city": "CHARLESTON",
            "state": "SC",
            "postal_code": "294250100",
            "telephone_number": "843-792-1414"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OSSOLINSKI",
        "first_name": "GARRETT",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-09-08",
        "last_updated": "2026-03-16",
        "certification_date": "2026-03-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NY",
            "license": "030862",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "SC",
            "license": "6312",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Direct@direct.musc.edu",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "171 Ashley Ave",
            "city": "Charleston",
            "state": "SC",
            "country_code": "US",
            "postal_code": "294250100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• John Osguthorpe, MD
• Fred Charles Osher, M.D
• Katie Marie Osmon, FNP
• Andres Felipe Ospina, MD
• Meg Katherine Ospina, MD
• Aimee Nix Osti, MA, CCC-SLP
• Kathleen Elena Oswalt, MS, RDN, LD, CLT
• Henry Othersen Jr., MD
• Christine Toldrian Otruba, D.O.
• Lindsey Pace Ott

• Physician Assistant in Charleston, SC
• Providers in Charleston, SC by specialty
• Physician Assistant in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 16, 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.