Gwyneth Leigh Holderby, DNP
Family Nurse Practitioner · Alva, OK
Gwyneth Leigh Holderby, DNP is a family nurse practitioner with a practice address in Alva, Oklahoma, and NPI 1124447305, issued on Apr 15, 2014. Check the license (Oklahoma 96130, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gwyneth Leigh Holderby
- Credential
- DNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 96130 OK
Self-reported in NPPES; status is on the state search - Practice location
- 709 Oklahoma Blvd, Alva, OK 73717
- Phone
- (580) 327-8434
- Enumerated
- Apr 15, 2014
- Record last updated
- Jul 21, 2026
- Medicare enrollment
- Enrolled (PECOS I20141111000368); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,711 in Oklahoma → Look up another NPI →
Also registered at 709 Oklahoma Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gwyneth Leigh Holderby in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 96130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average family nurse practitioner in 2024
753 Medicare Part D claims for 88 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Atorvastatin Calcium36 claims
- Simvastatin32 claims
- Levothyroxine Sodium31 claims
- Metformin Hcl28 claims
- Hydrochlorothiazide24 claims
- Losartan Potassium21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $30.46
2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Alva Hospital AuthorityAlva, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwyneth Leigh Holderby among 2,711 family nurse practitioner records in Oklahoma
Gwyneth Leigh Holderby, DNP is one of 2,711 family nurse practitioner records with a practice address in Oklahoma. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 20% of them.
- NPI issued2014 · 20% of these records are older, 75% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2014 · median 2018 among the 1,783 with a school on file
- Record last updated2026 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family nurse practitioner records list a practice address in Alva
They are 5 of the 109 NPPES records with a practice address in Alva, and 2,711 family nurse practitioner records in Oklahoma.
All 2,711 in Oklahoma → Every provider in Alva → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Krystal Elliott, DNP, APRN, FNP-CAlva, OK 737171487325478
- Jeremy Logsdon, CNP- FAMILYAlva, OK 737171013574789
- Jennifer Nichols, APRNAlva, OK 737171487031159
- Ryan Sand, APRN-CNPAlva, OK 737171245003466
- Tobi Bratten, APRNCanton, OK 737241881017994
- Beth Holderby Acre, NP-CCanton, OK 737241023433299
- Terri Williams, FNP-CCanton, OK 737241851883599
- Mary Stonehocker, APRN-CNPCarmen, OK 737261245153139
Common questions
What is Gwyneth Leigh Holderby, DNP's NPI number?
Gwyneth Leigh Holderby, DNP's National Provider Identifier (NPI) is 1124447305, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gwyneth Leigh Holderby, DNP located?
The NPPES record lists a practice address at 709 Oklahoma Blvd, Alva, OK, 73717. Phone: (580) 327-8434. Providers update this record themselves, so call before visiting.
How can I verify Gwyneth Leigh Holderby, DNP's license?
NPPES lists Oklahoma license number 96130, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
How much does Gwyneth Leigh Holderby, DNP prescribe under Medicare Part D?
In 2024, Gwyneth Leigh Holderby, DNP had 753 Medicare Part D claims for 88 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.