NPPES file of Aug 9, 2026

Donald Gene Holbrooks, FNP-C

Family Nurse Practitioner · Clemson, SC

Donald Gene Holbrooks, FNP-C is a family nurse practitioner with a practice address in Clemson, South Carolina, and NPI 1346872512, issued on Feb 6, 2020. Check the license (South Carolina 23653, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346872512
Name
Donald Gene Holbrooks
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
23653 SC
Self-reported in NPPES; status is on the state search
Practice location
101 Chapman Hill RD Ste 101, Clemson, SC 29631
Phone
(864) 653-4071
Enumerated
Feb 6, 2020
Record last updated
May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(864) 653-4074
Medicaid ID
NP7001 SC
Medicare enrollment
Enrolled (PECOS I20200721001292); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Chapman Hill RD Ste 101

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kendria Cline, APRN FNP-CFamily Nurse Practitioner1619696846
  2. Annette Compton Lance, DPTPhysical Therapist1144677972
  3. John Hanna, MDNeurology Physician1154944569
  4. Andrew Hovanec, DPTPhysical Therapist1942558093
  5. Mallory Moore, SLPSpeech-Language Pathologist1336580950
  6. Lindsey Terbeek, DPTPhysical Therapist1801412762

Verify Donald Gene Holbrooks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 23653
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.2 times the Medicare Part D claims of the average family nurse practitioner in 2024

2,811 Medicare Part D claims for 337 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 45 claims were for opioids.

  1. Donald Holbrooks2,811
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium214 claims
  2. Levothyroxine Sodium150 claims
  3. Amlodipine Besylate137 claims
  4. Lisinopril115 claims
  5. Omeprazole89 claims
  6. Losartan Potassium79 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: $637.54

35 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.

  1. Donald Holbrooks$637.54
  2. Specialty average$650.95

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

  1. Prisma Health University Medical GroupClemson, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

31 family nurse practitioner records list a practice address in Clemson

They are 31 of the 369 NPPES records with a practice address in Clemson, and 4,320 family nurse practitioner records in South Carolina.

Other family nurse practitioner records in South Carolina

  1. Cynthia Abachnou, APRNConway, SC1225149511
  2. Vladislav Abaturov, NPGreer, SC1730574930
  3. Shelton AbbottSummerville, SC1811868003
  4. Iman Abdul-Ali, NPMoncks Corner, SC1689233090
  5. Adila Abdul-Karim, FNP-CColumbia, SC1245616598
  6. Alycia Abdulla, FNP-BCCamden, SC1003560913
  7. Claire Abel, NPJohns Island, SC1841022928
  8. Betty Abernathy, F.N.P.Spartanburg, SC1306827431
  9. Jessica Ace, FNPSummerville, SC1619704962
  10. Zita Acuna Andreski, APRN FNP-CHartsville, SC1003543539

Common questions

What is Donald Gene Holbrooks, FNP-C's NPI number?

Donald Gene Holbrooks, FNP-C's National Provider Identifier (NPI) is 1346872512, issued on Feb 6, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Donald Gene Holbrooks, FNP-C located?

The NPPES record lists a practice address at 101 Chapman Hill RD Ste 101, Clemson, SC, 29631. Phone: (864) 653-4071. Providers update this record themselves, so call before visiting.

How can I verify Donald Gene Holbrooks, FNP-C's license?

NPPES lists South Carolina license number 23653, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Donald Gene Holbrooks, FNP-C prescribe under Medicare Part D?

In 2024, Donald Gene Holbrooks, FNP-C had 2,811 Medicare Part D claims for 337 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.