Nicholas Zacharias, MD
NPI 1306521687 · Diagnostic Radiology Physician · Iowa City, IA
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Zacharias, MD is a Diagnostic Radiology Physician provider in Iowa City, IA (NPI 1306521687).
Provider details
- NPI number
- 1306521687
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- R-12923 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-15
- Last updated
- 2023-06-15
- Certified
- 2023-06-15
Frequently asked questions
- What is Nicholas Zacharias's NPI number?
- Nicholas Zacharias's National Provider Identifier (NPI) is 1306521687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Zacharias's specialty?
- Nicholas Zacharias is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Zacharias located?
- Nicholas Zacharias's practice location on file with NPPES is 200 Hawkins Dr, Iowa City, IA 52242-1009.
- What is Nicholas Zacharias's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Zacharias is (319) 356-3396.
- Does Nicholas Zacharias accept Medicare?
- Nicholas Zacharias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Zacharias's NPI active?
- Yes — Nicholas Zacharias's NPI (1306521687) is active in the NPPES registry as of the last update on 2023-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.