Gregory Grecco, MD-PHD
NPI 1891549101 · Student in an Organized Health Care Education/Training Program · Indianapolis, IN
Enrolled with Medicare as Order and Referring Only - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Grecco, MD-PHD is a Student in an Organized Health Care Education/Training Program provider in Indianapolis, IN (NPI 1891549101).
Provider details
- NPI number
- 1891549101
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD-PHD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2024-04-15
- Last updated
- 2024-04-15
- Certified
- 2024-04-13
Frequently asked questions
- What is Gregory Grecco's NPI number?
- Gregory Grecco's National Provider Identifier (NPI) is 1891549101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Grecco's specialty?
- Gregory Grecco is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Gregory Grecco located?
- Gregory Grecco's practice location on file with NPPES is 1633 N Capitol Ave Ste 640, Indianapolis, IN 46202-1281.
- What is Gregory Grecco's phone number?
- The practice phone number listed in the NPPES registry for Gregory Grecco is (317) 962-8881.
- Does Gregory Grecco accept Medicare?
- Gregory Grecco is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Grecco's NPI active?
- Yes — Gregory Grecco's NPI (1891549101) is active in the NPPES registry as of the last update on 2024-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.