Registry data as of Aug 27, 2026

Jason Allen, M.D.

Internal Medicine Physician · Iowa City, IA

Jason Allen, M.D. is an internal medicine physician with a practice address in Iowa City, Iowa, and NPI 1225471816, issued on Apr 12, 2013. Check the license on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1225471816
Name
Jason Allen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-2750
Enumerated
Apr 12, 2013
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 200 Hawkins Dr

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

  1. Helena Aaberg, MDAnesthesiology Physician1689301558
  2. Abdullah Abbasi, MDInternal Medicine Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDInternal Medicine Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Jason Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of MedicineCheck 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.

63% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,043 Medicare Part D claims for 232 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Jason Allen1,043
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium105 claims
  2. Metoprolol Succinate100 claims
  3. Amlodipine Besylate93 claims
  4. Clopidogrel66 claims
  5. Losartan Potassium64 claims
  6. Eliquis62 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: $4,659.36

45 payments, mostly food and beverage; the largest payer was Edwards Lifesciences Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Allen$4,659.36
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. State University OF IowaIowa City, IA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

539 internal medicine physician records list a Iowa City practice address

They are 539 of the 7,163 NPPES records with a Iowa City practice address, and 1,338 internal medicine physician records in Iowa.

Other internal medicine physician records in Iowa

  1. Baha Abbad, MDWaterloo, IA1366050064
  2. Shazia Abbas, MDOttumwa, IA1205086998
  3. Abdullah Abbasi, MDIowa City, IA1932944204
  4. Duane Abbott, MDDes Moines, IA1417362666
  5. Francois Abboud, MDIowa City, IA1598753113
  6. Mohamed Abd El MaksoudMason City, IA1033792825
  7. Ala Abdallah, MDIowa City, IA1588395701
  8. Ahmed Abdelhamid, MDIowa City, IA1306403795
  9. Ola AbdelkarimIowa City, IA1780378588
  10. Mohammed Abdila, MDDavenport, IA1982338752

Common questions

What is Jason Allen, M.D.'s NPI number?

Jason Allen, M.D.'s National Provider Identifier (NPI) is 1225471816, issued on Apr 12, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Jason Allen, M.D. located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-2750. Providers update this record themselves, so call before visiting.

How can I verify Jason Allen, M.D.'s license?

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 Jason Allen, M.D. prescribe under Medicare Part D?

In 2024, Jason Allen, M.D. had 1,043 Medicare Part D claims for 232 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.