Ruth Elaine Greer, FNP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

F1102060 Issued in TX

Practice address

4432 Malcolm X Blvd
Dallas, TX 75215-4349

Phone

(214) 428-2010

Fax

(214) 428-2065

NPI assigned

Oct 2, 2006

Last updated

Apr 7, 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 1

Addresses

Other identifiers 2

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

Nurse Practitioner

Education

Other, 1977

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Dallas Navarro Healthcare Services LLC

  • Nurse Practitioner
  • Dallas, TX
  • NPI 1801173786
  Medicare reassignment NPD Authorized official
• Malcolm X Pediatric Clinic

  • Nurse Practitioner
  • Dallas, TX
  • NPI 1518290469
  Authorized official Same address or phone
• Malcolm X Pediatric Clinic

  • Primary Care Clinic/Center
  • Dallas, TX
  • NPI 1982904165
  Authorized official Same address or phone
• T & B Eye Care Services LP

  • Optometrist
  • Dallas, TX
  • NPI 1366646002
  NPD (past)

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

{
    "created_epoch": "1159747200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1144314584",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4432 MALCOLM X BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752154349",
            "telephone_number": "214-428-2010",
            "fax_number": "214-428-2065"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4432 MALCOLM X BLVD",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752154349",
            "telephone_number": "214-428-2010",
            "fax_number": "214-428-2065"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREER",
        "first_name": "RUTH",
        "middle_name": "ELAINE",
        "name_prefix": "Ms.",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-02",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "TX",
            "license": "F1102060",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "121321702",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "121321704",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cathy Greer, CRNA
• Dale Warren Greer, D.D.S.,F.A.G.D.
• Laura Gay Greer, M.D.
• Marguerite Elizabeth Greer
• Parris Quinton Greer, LPC-ASSOCIATE
• Scott S. Greeson, D.D.S.
• Donald Patrick Greever, LPC
• Gregam PLLC (Ellie Mental Health-Carrollton)
• Jennifer Greger, M.D.
• Gregg a Lessly MD PA

• Acute Care Nurse Practitioner in Dallas, TX
• Providers in Dallas, TX by specialty
• Acute Care Nurse Practitioner in Texas

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