Kirby P. Clark, M.D.
Diagnostic Radiology Physician · Waterloo, IA
Kirby P. Clark, M.D. is a diagnostic radiology physician with a practice address in Waterloo, Iowa, and NPI 1407893795, issued on Jun 2, 2006. Check the license (Iowa 35956, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Kirby P. Clark
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 35956 IA
036126457 IL
42049-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4006 Johnathan St, Waterloo, IA 50701
- Phone
- (319) 236-2700
- Enumerated
- Jun 2, 2006
- Record last updated
- Nov 21, 2023
- Medicare enrollment
- Enrolled (PECOS I20091203000719); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1995
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 364 in Iowa → Look up another NPI →
Also registered at 4006 Johnathan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Driss Cammoun, MDDiagnostic Radiology Physician1912950304
Verify Kirby P. Clark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 35956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Cedar Valley Medical Specialists PCWaterloo, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kirby P. Clark among 364 diagnostic radiology physician records in Iowa
Kirby P. Clark, M.D. 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 2006, is newer than 20% of them.
- NPI issued2006 · 20% of these records are older, 53% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1995 · median 2006 among the 199 with a school on file
- Record last updated2023 · 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).
Diagnostic Radiology Physician providers in Iowa
There are 364 diagnostic radiology physician records in Iowa.
All 364 in Iowa → Every provider in Waterloo → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Driss Cammoun, MDWaterloo, IA 507011912950304
- Kevin He, M.D.Waterloo, IA 507011205260668
- Lawrence Liebscher, MDWaterloo, IA 507011285680736
- Greg Raecker, DOWaterloo, IA 507011225076029
- Wayne Ventling, DOWaterloo, IA 507011285793844
- Rajeev Anugu, M.D.Waterloo, IA 507031851576946
- James Connell, M.D.Waterloo, IA 507031083656995
- Stephen Frazier, MDWaterloo, IA 507031386698009
Common questions
What is Kirby P. Clark, M.D.'s NPI number?
Kirby P. Clark, M.D.'s National Provider Identifier (NPI) is 1407893795, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kirby P. Clark, M.D. located?
The NPPES record lists a practice address at 4006 Johnathan St, Waterloo, IA, 50701. Phone: (319) 236-2700. Providers update this record themselves, so call before visiting.
How can I verify Kirby P. Clark, M.D.'s license?
NPPES lists Iowa license number 35956, 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.
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.