Gregory Merchun, MD
NPI 1770577538 · Diagnostic Radiology Physician · Indianapolis, IN
Gregory Merchun, MD is a Diagnostic Radiology Physician provider in Indianapolis, IN (NPI 1770577538).
Provider details
- NPI number
- 1770577538
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1041539 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2005-09-08
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is Gregory Merchun's NPI number?
- Gregory Merchun's National Provider Identifier (NPI) is 1770577538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Merchun's specialty?
- Gregory Merchun is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Merchun located?
- Gregory Merchun's practice location on file with NPPES is 9998 Crosspoint Blvd Ste 200, Indianapolis, IN 46256-3307.
- What is Gregory Merchun's phone number?
- The practice phone number listed in the NPPES registry for Gregory Merchun is (317) 579-2150.
- Is Gregory Merchun's NPI active?
- Yes — Gregory Merchun's NPI (1770577538) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.