Mallory Greeff, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA20313 Issued in TX

Practice address

210 W John Carpenter Fwy Ste 100
Irving, TX 75039-2003

Phone

(469) 291-0770

NPI assigned

Dec 18, 2024

Last updated

Apr 27, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in TX

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, 2025

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/HIEEBD

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.

• Las Colinas Endocrinology

  • Endocrinology, Diabetes & Metabolism Physician
  • Irving, TX
  • NPI 1891286738
  Medicare reassignment NPD

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

{
    "created_epoch": "1734480000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1871301218",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "210 W JOHN CARPENTER FWY STE 100",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750392003",
            "telephone_number": "469-291-0770"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "210 W JOHN CARPENTER FWY STE 100",
            "city": "IRVING",
            "state": "TX",
            "postal_code": "750392003",
            "telephone_number": "469-291-0770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREEFF",
        "first_name": "MALLORY",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2024-12-18",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "TX",
            "license": "PA20313",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nagee Graves, M.A., LPC
• Abbey Gray, MS, CCC-SLP
• Macie Gray, MOT, OTR
• Rebecca Ann Gray, MD
• Virginia Gray, LPC
• Green Apple LLC (Green Apple Therapy Services)
• Green Oaks Hospital Subsidiary LP (Las Colinas Outpatient Clinic, a department of Medical City Green Oaks Hospital)
• Green Oaks Physical Therapy Limited Partnership
• Ellen Green
• Frances Dawn Green, DC

• Physician Assistant in Irving, TX
• Providers in Irving, TX by specialty
• Physician Assistant in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.