Greta Thorkelson

Primary specialty

Behavioral Neurology & Neuropsychiatry PhysicianTaxonomy code 2084B0040X

License

SP026761 Issued in PA

Practice address

5725 Forward Ave Ste 401
Pittsburgh, PA 15217-2255

Phone

(412) 214-0042

Fax

(412) 385-2468

NPI assigned

Nov 11, 2020

Last updated

Aug 27, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

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.

• Orion Health Group PC

  • Psychiatric/Mental Health Nurse Practitioner
  • Bridgeville, PA
  • NPI 1467314906
  NPD Authorized official
• The Nexus Group PC

  • Child & Adolescent Psychiatry Physician
  • Pittsburgh, PA
  • NPI 1295225597

  Multi-Specialty

  NPD (past)
• Northshore Integrative Healthcare

  • Clinical Psychologist
  • Schaumburg, IL
  • NPI 1447547211

  Multi-Specialty

  NPD (past)

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

{
    "created_epoch": "1605052800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787788800000",
    "number": "1457953762",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "370 CASTLE SHANNON BLVD UNIT 10446",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152346605",
            "telephone_number": "412-770-3359",
            "fax_number": "412-770-3778"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5725 FORWARD AVE STE 401",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152172255",
            "telephone_number": "412-214-0042",
            "fax_number": "412-385-2468"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "370 Castle Shannon Blvd Unit 10446",
            "address_purpose": "LOCATION",
            "city": "Pittsburgh",
            "state": "PA",
            "postal_code": "152346605",
            "country_code": "US",
            "telephone_number": "412-770-3359",
            "fax_number": "412-770-3778",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "THORKELSON",
        "first_name": "GRETA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-11-11",
        "last_updated": "2026-08-27",
        "certification_date": "2026-08-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209021051",
            "primary": false
        },
        {
            "code": "2084B0040X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Behavioral Neurology & Neuropsychiatry",
            "state": "PA",
            "license": "SP026761",
            "primary": true
        },
        {
            "code": "2084B0040X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Behavioral Neurology & Neuropsychiatry",
            "state": "FL",
            "license": "APRN11036495",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erin Thomson
• Lizabeth G Thomson, BS
• Tristan Richard Thomson, MD
• Brittney Thon
• Gregory Thorkelson, MD
• Zachary Thornburg
• Rachael Thornbury, DPT
• Tierra Thorne
• Christina Thorngren
• Darchelle L Thornhill

• Behavioral Neurology & Neuropsychiatry Physician in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Behavioral Neurology & Neuropsychiatry Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 27, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.