Gwyneth Leigh Holderby, DNP
- Medicare patients, 2024
- 35
- Part D claims, 2024
- 753
- MIPS score, 2024
- 65
- Hospital affiliations
- 2
- Industry payments
- $119
- Practice address
- 800 Share Drive, Alva, OK 73717
- Practice phone
- Call (580) 430-3355
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gwyneth Holderby's professional email, personal email and mobile number
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Gwyneth Leigh Holderby is a family nurse practitioner in Alva, Oklahoma
Gwyneth Holderby practices at Share Medical Center in Alva, Oklahoma, part of SSM Health Care.
Gwyneth Holderby's NPI, 1124447305, was assigned on April 15, 2014. Gwyneth Holderby holds Oklahoma license 96130.
- NPI
- 1124447305NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173745932
- NPI enumeration date
- April 15, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (580) 430-3355
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Gwyneth Leigh Holderby practices at Share Medical Center in Alva, Oklahoma
Gwyneth Holderby's primary practice is Share Medical Center, at 800 Share Drive, Alva, OK 73717 in Woods County. The practice phone is (580) 430-3355.
- Share Medical Center800 Share Drive, Alva, OK 73717 · Woods CountyPhone(580) 430-3355
Source: Dmand AI Affiliation Data
Gwyneth Leigh Holderby is affiliated with 3 sites of care and 2 medical groups
Gwyneth Holderby's primary practice is Share Medical Center in Alva, Oklahoma, part of SSM Health Care. Gwyneth Holderby is also affiliated with St. Mary's Regional Medical Center. The medical group on file is Share Medical Center. Dmand AI also links Gwyneth Holderby to 1 more rural health clinic and 1 medical group, each named with a free account. Gwyneth Holderby's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gwyneth Leigh Holderby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gwyneth Holderby practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Share Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gwyneth Leigh Holderby is one of 2,246 family nurse practitioners in Oklahoma
Family is Gwyneth Holderby's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Gwyneth Holderby is licensed in Oklahoma.
Specialties and state licenses
- Family nurse practitioner, OklahomaPrimary
Family nurse practitioners near Gwyneth Holderby
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Gwyneth Leigh Holderby treated 35 Medicare patients in 2024, average age 72
CMS counts 35 Medicare patients who saw Gwyneth Holderby in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Gwyneth Holderby's median patient age at 61, with 76% women.
Gwyneth Holderby's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Gwyneth Holderby's Medicare patients by sex, 2024
- Women1954%
- Men1646%
Chronic conditions among Gwyneth Holderby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis54%
- Diabetes46%
- Ischemic heart disease43%
Share of Medicare patients with each condition. A patient can have several.
Gwyneth Holderby's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women76%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gwyneth Leigh Holderby wrote 753 Medicare Part D claims in 2024
In 2024, Gwyneth Holderby wrote 753 Medicare Part D claims for 88 patients. 88% of them were for generic drugs.
Gwyneth Holderby's Part D claims by kind of drug, 2024
- Generic664 claims88%
- Brand-name and other89 claims12%
Drug classes CMS tracks in Gwyneth Holderby's Part D claims, 2024
- Opioids4%27 of 753 claims
- Antibiotics3%25 of 753 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Gwyneth Leigh Holderby scored 65 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 65 out of 100 for Gwyneth Holderby for performance year 2024, reported as part of a group. Gwyneth Holderby accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Gwyneth Holderby's MIPS scores, performance year 2024
- 65of 100Final score
- 33.4of 100Quality
- 79of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gwyneth Leigh Holderby received $119 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gwyneth Holderby from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $119.
Companies that paid Gwyneth Holderby the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gwyneth Leigh Holderby's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Gwyneth Leigh Holderby
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gwyneth Leigh Holderby's NPI number?
Gwyneth Leigh Holderby's NPI number is 1124447305. It was assigned on April 15, 2014, and it is active in the NPI Registry.
What does Gwyneth Leigh Holderby specialize in?
Gwyneth Leigh Holderby is a family nurse practitioner in Alva, Oklahoma. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Gwyneth Leigh Holderby practice?
Gwyneth Holderby practices at 800 Share Drive, Alva, OK 73717. Gwyneth Holderby's primary practice is Share Medical Center in Alva, Oklahoma, part of SSM Health Care. Dmand AI also links Gwyneth Holderby to 1 rural health clinic and 1 medical group.
What is Gwyneth Leigh Holderby's office phone number?
The practice phone on file for Gwyneth Holderby is (580) 430-3355.
What is Gwyneth Leigh Holderby's medical license number?
Gwyneth Holderby holds Oklahoma license 96130.
Which hospitals is Gwyneth Leigh Holderby affiliated with?
Gwyneth Holderby practices at Share Medical Center in Alva, Oklahoma. Gwyneth Holderby is also affiliated with St. Mary's Regional Medical Center.
What medical group is Gwyneth Leigh Holderby part of?
Gwyneth Holderby is linked to Share Medical Center. Dmand AI links Gwyneth Holderby to 1 more medical group.
Does Gwyneth Leigh Holderby accept Medicare?
Yes. CMS lists Gwyneth Holderby as accepting Medicare assignment.
What is Gwyneth Leigh Holderby's MIPS score?
Gwyneth Holderby's MIPS final score for performance year 2024 is 65 out of 100, reported as part of a group.
How many Medicare patients does Gwyneth Leigh Holderby see?
CMS counts 35 Medicare patients who saw Gwyneth Holderby in 2024, with an average age of 72.
Has Gwyneth Leigh Holderby received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Gwyneth Holderby from 1 company from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Gwyneth Leigh Holderby been practicing?
Gwyneth Holderby graduated from medical school in 2014, 12 years ago.
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