NPPES file of Aug 9, 2026

Bradley Dean Kamstra, D.O.

Family Medicine Physician · Rock Valley, IA

Bradley Dean Kamstra, D.O. is a family medicine physician with a practice address in Rock Valley, Iowa, and NPI 1538151287, issued on Aug 18, 2005. Check the license (Iowa 3093, as entered in NPPES) on the Iowa Board of Medicine; 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
1538151287
Name
Bradley Dean Kamstra
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
3093 IA
Self-reported in NPPES; status is on the state search
Practice location
2121 Hegg Dr, Rock Valley, IA 51247
Phone
(712) 476-8100
Enumerated
Aug 18, 2005
Record last updated
May 23, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(712) 476-8190
Medicaid ID
1163311 IA
Medicare enrollment
Enrolled (PECOS I20160719001392); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 1996
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 2121 Hegg Dr

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

  1. Jonathan Engbers, MDFamily Medicine Physician1114243078
  2. Karissa GettingFamily Nurse Practitioner1588034508
  3. Claire RozeboomMedical Physician Assistant1396281390
  4. Gregory Vanpeursem, PA-CPhysician Assistant1548253438

Verify Bradley Dean Kamstra in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 3093
    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 Iowa 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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70% fewer Medicare Part D claims than the average family medicine physician in 2024

1,059 Medicare Part D claims for 88 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.

  1. Bradley Kamstra1,059
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium81 claims
  2. Lisinopril54 claims
  3. Omeprazole44 claims
  4. Hydrochlorothiazide35 claims
  5. Levothyroxine Sodium34 claims
  6. Lisinopril-Hydrochlorothiazide28 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.

Bills Medicare through 2 group practices

  1. Center For Family MedicineSioux Falls, SD
  2. City OF Sioux FallsSioux Falls, SD

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

3 family medicine physician records list a practice address in Rock Valley

They are 3 of the 54 NPPES records with a practice address in Rock Valley, and 2,336 family medicine physician records in Iowa.

Other family medicine physician records in Iowa

  1. Jennifer Aanestad, M.D.Durant, IA1386649341
  2. Amjad Abdelhady, MDSioux City, IA1033966700
  3. Afsana Abdullah, D.O.Bettendorf, IA1760583066
  4. Raja Ali Abdullah, MDCedar Falls, IA1356101000
  5. Laura Abels, DOAnkeny, IA1427313527
  6. Matthew AbendrothDes Moines, IA1972918894
  7. Mabra Abernathy, M.D.Coralville, IA1316922545
  8. Jennifer Abler, D.O.Altoona, IA1528159068
  9. Michael Abouassaly, M.D.West Burlington, IA1184790909
  10. Safa Abukhalil, M.B.B.SWest Des Moines, IA1982084463

Common questions

What is Bradley Dean Kamstra, D.O.'s NPI number?

Bradley Dean Kamstra, D.O.'s National Provider Identifier (NPI) is 1538151287, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bradley Dean Kamstra, D.O. located?

The NPPES record lists a practice address at 2121 Hegg Dr, Rock Valley, IA, 51247. Phone: (712) 476-8100. Providers update this record themselves, so call before visiting.

How can I verify Bradley Dean Kamstra, D.O.'s license?

NPPES lists Iowa license number 3093, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Bradley Dean Kamstra, D.O. prescribe under Medicare Part D?

In 2024, Bradley Dean Kamstra, D.O. had 1,059 Medicare Part D claims for 88 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.