Nicholas Adam Zacharias, MD
Diagnostic Radiology Physician · Iowa City, IA
Nicholas Adam Zacharias, MD is a diagnostic radiology physician with a practice address in Iowa City, Iowa, and NPI 1306521687, issued on Jun 15, 2023. Check the license (Iowa R-12923, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Nicholas Adam Zacharias
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- R-12923 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
- Jun 15, 2023
- Record last updated
- Jun 15, 2023
- Entity
- Type 1 · individual
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.
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Verify Nicholas Adam Zacharias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-12923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024
30 Medicare Part D claims for 18 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.
Nicholas Adam Zacharias among 364 diagnostic radiology physician records in Iowa
Nicholas Adam Zacharias, 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 2023, is newer than 89% of them.
- NPI issued2023 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 55% of these records are
- 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).
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
- Darus Bennett, MDIowa City, IA 522421952399800
- Bruce Brown, MDIowa City, IA 522421851389704
- David Cheyney, D.OIowa City, IA 522421194720334
- Michael Dalessandro, MDIowa City, IA 522421871582718
- Georges El-Khoury, MDIowa City, IA 522421861480717
- Edmund Franken, MDIowa City, IA 522421740278696
- Simon Kao, MDIowa City, IA 522421710975669
- David Kuehn, MDIowa City, IA 522421922096874
Common questions
What is Nicholas Adam Zacharias, MD's NPI number?
Nicholas Adam Zacharias, MD's National Provider Identifier (NPI) is 1306521687, issued on Jun 15, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Adam Zacharias, 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 Nicholas Adam Zacharias, MD's license?
NPPES lists Iowa license number R-12923, 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 Nicholas Adam Zacharias, MD prescribe under Medicare Part D?
In 2024, Nicholas Adam Zacharias, MD had 30 Medicare Part D claims for 18 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.