Mark Christopher Johnson, M.D.
Diagnostic Radiology Physician · Des Moines, IA
Mark Christopher Johnson, M.D. is a diagnostic radiology physician with a practice address in Des Moines, Iowa, and NPI 1053439059, issued on Mar 27, 2007. Check the license (Iowa 39397, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Mark Christopher Johnson
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 39397 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1111 6TH Ave, Des Moines, IA 50314
- Phone
- (515) 643-2667
- Enumerated
- Mar 27, 2007
- Record last updated
- Jul 21, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110722000433); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2005
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 364 in Iowa → Look up another NPI →
Also registered at 1111 6TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Muhammad Abdul-Wahab, MDDiagnostic Radiology Physician1649690686
- Alissa AbelCertified Registered Nurse Anesthetist1124888599
- Kenneth Acevedo, MDFamily Medicine Physician1154190148
- Luis Acosta, MDInternal Medicine Physician1376398842
- Luis Acosta Nunez, MDHospitalist Physician1154018349
- Steve Adelman, DONeurology Physician1639283294
Verify Mark Christopher Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 39397Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
43 Medicare Part D claims for 12 beneficiaries, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D.
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 one group practice
- Diagnostic Imaging Associates, P.C.Des Moines, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Christopher Johnson among 364 diagnostic radiology physician records in Iowa
Mark Christopher Johnson, 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 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 46% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2005 · median 2006 among the 199 with a school on file
- Record last updated2011 · 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 Des Moines → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Muhammad Abdul-Wahab, MDDes Moines, IA 503141649690686
- Ryan Buss, M.D.Des Moines, IA 503141275859910
- Seth Gibson, D.O.Des Moines, IA 503141346449709
- Christian Kingeter, MDDes Moines, IA 503141063150928
- William Manzo, MDDes Moines, IA 503141689712408
- Raviv Ramdial, MDDes Moines, IA 503141497016273
- Joseph Vavricek, MDDes Moines, IA 503141245551274
- Zachary Viets, MDDes Moines, IA 503141861791311
Common questions
What is Mark Christopher Johnson, M.D.'s NPI number?
Mark Christopher Johnson, M.D.'s National Provider Identifier (NPI) is 1053439059, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Christopher Johnson, M.D. located?
The NPPES record lists a practice address at 1111 6TH Ave, Des Moines, IA, 50314. Phone: (515) 643-2667. Providers update this record themselves, so call before visiting.
How can I verify Mark Christopher Johnson, M.D.'s license?
NPPES lists Iowa license number 39397, 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 Mark Christopher Johnson, M.D. prescribe under Medicare Part D?
In 2024, Mark Christopher Johnson, M.D. had 43 Medicare Part D claims for 12 beneficiaries; the average among diagnostic radiology physician prescribers was 51. 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.