NPPES file of Aug 9, 2026

Donald Thomas Brock, DO

Family Medicine Physician · Anadarko, OK

Donald Thomas Brock, DO is a family medicine physician with a practice address in Anadarko, Oklahoma, and NPI 1215977814, issued on Jun 8, 2006. Check the license (Oklahoma 3638, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1215977814
Name
Donald Thomas Brock
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
3638 OK
Self-reported in NPPES; status is on the state search
Practice location
412 SE 11TH St, Anadarko, OK 73005
Phone
(405) 247-9500
Enumerated
Jun 8, 2006
Record last updated
Sep 30, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 412 SE 11TH St

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

  1. Mirela Carter, MDFamily Medicine Physician1699817205
  2. Leonicia Ramirez, NURSE PRACTITIONERFamily Nurse Practitioner1598574725

Verify Donald Thomas Brock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 3638
    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
Open the Oklahoma license search

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1% more Medicare Part D claims than the average family medicine physician in 2024

3,572 Medicare Part D claims for 183 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 141 claims were for opioids.

  1. Donald Brock3,572
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium141 claims
  2. Atorvastatin Calcium126 claims
  3. Gabapentin111 claims
  4. Lisinopril94 claims
  5. Pantoprazole Sodium90 claims
  6. Meloxicam87 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.

6 family medicine physician records list a practice address in Anadarko

They are 6 of the 106 NPPES records with a practice address in Anadarko, and 2,303 family medicine physician records in Oklahoma.

Other family medicine physician records in Oklahoma

  1. Michael Aaron, M.D.Weatherford, OK1700958659
  2. Shams Abbas, MDOklahoma City, OK1639607963
  3. Nicole Abel, DOTulsa, OK1073142022
  4. Robert Abell, MDOklahoma City, OK1336179126
  5. Penny AberOklahoma City, OK1982530432
  6. Bob Abernathy, DOCordell, OK1114920071
  7. Rochelle Ablah, MDOklahoma City, OK1366656647
  8. Alireza Abolmaali Damghani, MDMidwest City, OK1427275775
  9. Akram Abraham, M.D.Hollis, OK1609857754
  10. John Abraham, MDTulsa, OK1962634535

Common questions

What is Donald Thomas Brock, DO's NPI number?

Donald Thomas Brock, DO's National Provider Identifier (NPI) is 1215977814, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donald Thomas Brock, DO located?

The NPPES record lists a practice address at 412 SE 11TH St, Anadarko, OK, 73005. Phone: (405) 247-9500. Providers update this record themselves, so call before visiting.

How can I verify Donald Thomas Brock, DO's license?

NPPES lists Oklahoma license number 3638, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Donald Thomas Brock, DO prescribe under Medicare Part D?

In 2024, Donald Thomas Brock, DO had 3,572 Medicare Part D claims for 183 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.