NPPES file of Aug 9, 2026

Benjamin Joseph Walker, MD

Diagnostic Radiology Physician · Iowa City, IA

Benjamin Joseph Walker, MD is a diagnostic radiology physician with a practice address in Iowa City, Iowa, and NPI 1265179618, issued on May 17, 2022. Check the license (Iowa R-12453, 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
1265179618
Name
Benjamin Joseph Walker
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
R-12453 IA
Self-reported in NPPES; status is on the state search
Practice location
200 Hawkins Dr, Iowa City, IA 52242
Phone
(319) 356-3396
Enumerated
May 17, 2022
Record last updated
May 17, 2022
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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8 nearest diagnostic radiology physician records → All 364 in Iowa → Look up another NPI →

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, MDGastroenterology Physician1932944204
  3. Mary Jo Abbott, RPHPharmacist1841325875
  4. Francois Abboud, MDCardiovascular Disease Physician1598753113
  5. Abdalla Abdalla, MBBCHAnatomic Pathology & Clinical Pathology Physician1518859826
  6. Sameh AbdallaAnatomic Pathology & Clinical Pathology Physician1437902160

Verify Benjamin Joseph Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license R-12453    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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Industry payments in 2024: $20.17

1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Benjamin Walker$20.17
  2. Specialty average$2,488.38

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

Benjamin Joseph Walker among 364 diagnostic radiology physician records in Iowa

Benjamin Joseph Walker, MD is one of 364 diagnostic radiology physician records with a practice address in Iowa. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.

  • NPI issued2022 · 87% of these records are older, 11% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 55% of these records are
  • Record last updated2022 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

140 diagnostic radiology physician records list a practice address in Iowa City

They are 140 of the 7,163 NPPES records with a practice address in Iowa City, and 364 diagnostic radiology physician records in Iowa.

All 364 in Iowa → Every provider in Iowa City → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Darus Bennett, MDIowa City, IA 522421952399800
  2. Bruce Brown, MDIowa City, IA 522421851389704
  3. David Cheyney, D.OIowa City, IA 522421194720334
  4. Michael Dalessandro, MDIowa City, IA 522421871582718
  5. Georges El-Khoury, MDIowa City, IA 522421861480717
  6. Edmund Franken, MDIowa City, IA 522421740278696
  7. Simon Kao, MDIowa City, IA 522421710975669
  8. David Kuehn, MDIowa City, IA 522421922096874

Common questions

What is Benjamin Joseph Walker, MD's NPI number?

Benjamin Joseph Walker, MD's National Provider Identifier (NPI) is 1265179618, issued on May 17, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Benjamin Joseph Walker, MD located?

The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-3396. Providers update this record themselves, so call before visiting.

How can I verify Benjamin Joseph Walker, MD's license?

NPPES lists Iowa license number R-12453, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.