Gwyneth Leigh Holderby, DNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

96130 Issued in OK

Practice address

709 Oklahoma Blvd
Alva, OK 73717-2749

Phone

(580) 327-8434

NPI assigned

Apr 15, 2014

Last updated

Jul 21, 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 OK

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, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Alva Hospital AuthorityGroup PAC ID 5597755306, 14 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Share Medical Center Hospital, Alva, OK, CCN 371341
• St Mary's Regional Medical Center Hospital, Enid, OK, CCN 370026

Merit-based Incentive Payment System (MIPS)

Final score

64.87 of 100Reported as group

Quality

33.38

Promoting interoperability

79

Improvement activities

40

Cost

67.03

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.

• Alva Hospital Authority

  dba Share Medical Center

  • Critical Access Hospital
  • Alva, OK
  • NPI 1679684682
  Medicare reassignment Care Compare group NPD
• Enhanced Wound Care LLC

  • Point of Service
  • Nichols Hills, OK
  • NPI 1306594148
  Medicare reassignment NPD
• Alva Hospital Authority

  dba SMC Physicians Clinic

  • Multi-Specialty Clinic/Center
  • Alva, OK
  • NPI 1447413422
  NPD
• Alva Hospital Authority/Dba Share Medical Center

  • Clinic/Center
  • Waynoka, OK
  • NPI 1104410125
  NPD
• Alva Hospital Authority

  dba SMC West End RHC

  • Rural Health Clinic/Center
  • Alva, OK
  • NPI 1144534603
  NPD (past)
• Alva Hospital Authority

  dba SMC Downtown Clinic

  • Rural Health Clinic/Center
  • Alva, OK
  • NPI 1497945851
  NPD (past)
• Summit Medical Center

  • General Acute Care Hospital
  • Edmond, OK
  • NPI 1356574560
  NPD (past)

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

• Alva Hospital Authority

  dba Share Medical Center

  • Critical Access Hospital
  • Alva, OK
  • NPI 1679684682
  Care Compare affiliation
• Uhs of Oklahoma, LLC

  dba St. Mary's Regional Medical Center

  • General Acute Care Hospital
  • Enid, OK
  • NPI 1417947466
  Care Compare affiliation

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

{
    "created_epoch": "1397520000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1124447305",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "709 OKLAHOMA BLVD",
            "city": "ALVA",
            "state": "OK",
            "postal_code": "737172749"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "709 OKLAHOMA BLVD",
            "city": "ALVA",
            "state": "OK",
            "postal_code": "737172749",
            "telephone_number": "580-327-8434"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLDERBY",
        "first_name": "GWYNETH",
        "middle_name": "LEIGH",
        "name_prefix": "Mrs.",
        "credential": "DNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-04-15",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OK",
            "license": "96130",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jerrad Hada, PT
• Lindsey Erin Head, P.A.-C
• Kohannah Hess, BS
• Holder-Southern Drug Company Inc (Holder Drug)
• John Todd Holder
• Melissa Hook
• Human Performance Center 3 PLLC
• Megan A Isaacs
• Delissa Leann Jantz, BS
• Lacey Michelle Jones, ATC

• Family Nurse Practitioner in Alva, OK
• Providers in Alva, OK by specialty
• Family Nurse Practitioner in Oklahoma

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.