NPPES file of Aug 9, 2026

Kenneth Thomas Chapman, MD

Family Medicine Physician · Storm Lake, IA

Kenneth Thomas Chapman, MD is a family medicine physician with a practice address in Storm Lake, Iowa, and NPI 1033747365, issued on Mar 31, 2020. Check the license (Iowa MD-51440, 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
1033747365
Name
Kenneth Thomas Chapman
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD-51440 IA
Self-reported in NPPES; status is on the state search
Practice location
620 Northwestern Dr, Storm Lake, IA 50588
Phone
(712) 732-5030
Enumerated
Mar 31, 2020
Record last updated
Jun 17, 2025
Medicare enrollment
Enrolled (PECOS I20230825002701); may accept 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 620 Northwestern Dr

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

  1. Jill AndersonPharmacist1801463385
  2. David Archer, MDFamily Medicine Physician1588635965
  3. Paul Barber, MDInternal Medicine Physician1396716999
  4. Shelly Buse, ARNPNurse Practitioner1689645160
  5. David Crippin, MDFamily Medicine Physician1205808664
  6. Robert Grant, MDFamily Medicine Physician1689646036

Verify Kenneth Thomas Chapman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license MD-51440
    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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95% more Medicare Part D claims than the average family medicine physician in 2024

6,902 Medicare Part D claims for 477 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 58 claims were for opioids.

  1. Kenneth Chapman6,902
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium330 claims
  2. Simvastatin296 claims
  3. Lisinopril273 claims
  4. Amlodipine Besylate224 claims
  5. Levothyroxine Sodium215 claims
  6. Metoprolol Succinate208 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.

2 hospitals and group practices

  1. Trinity Regional Medical CenterEagle Grove, IA · Acute Care Hospitals2 of 5 stars
  2. Sports Rehab And Professional Therapy Associates IncStorm Lake, IA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Kenneth Thomas Chapman among 2,336 family medicine physician records in Iowa

Kenneth Thomas Chapman, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 85% of them.

  • NPI issued2020 · 85% of these records are older, 13% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2020 · median 2006 among the 1,367 with a school on file
  • Record last updated2025 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 family medicine physician records list a practice address in Storm Lake

They are 20 of the 182 NPPES records with a practice address in Storm Lake, and 2,336 family medicine physician records in Iowa.

The 8 family medicine physician records with the nearest ZIP codes

  1. David Archer, MDStorm Lake, IA 505881588635965
  2. David Crippin, MDStorm Lake, IA 505881205808664
  3. Timothy Daniels, MDStorm Lake, IA 505881740252063
  4. Michael Dehner, MDStorm Lake, IA 505881346217916
  5. Kyle Glienke, MDStorm Lake, IA 505881851633713
  6. Robert Grant, MDStorm Lake, IA 505881689646036
  7. Jason Huisenga, D.O.Storm Lake, IA 505881609098649
  8. Joan Nilles, MDStorm Lake, IA 505881053383257

Common questions

What is Kenneth Thomas Chapman, MD's NPI number?

Kenneth Thomas Chapman, MD's National Provider Identifier (NPI) is 1033747365, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth Thomas Chapman, MD located?

The NPPES record lists a practice address at 620 Northwestern Dr, Storm Lake, IA, 50588. Phone: (712) 732-5030. Providers update this record themselves, so call before visiting.

How can I verify Kenneth Thomas Chapman, MD's license?

NPPES lists Iowa license number MD-51440, 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 Kenneth Thomas Chapman, MD prescribe under Medicare Part D?

In 2024, Kenneth Thomas Chapman, MD had 6,902 Medicare Part D claims for 477 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.