Gregory Larkin, MD
NPI 1275660888 · Community Health Clinic/Center · Indianapolis, IN
Gregory Larkin, MD is a Community Health Clinic/Center provider in Indianapolis, IN (NPI 1275660888).
Provider details
- NPI number
- 1275660888
- Entity type
- Individual
- Primary specialty
- Community Health Clinic/CenterAmbulatory Health Care Facilities
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25391 (IN)
Specialties & taxonomies
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-02-28
- Last updated
- 2009-11-23
Frequently asked questions
- What is Gregory Larkin's NPI number?
- Gregory Larkin's National Provider Identifier (NPI) is 1275660888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Larkin's specialty?
- Gregory Larkin is listed in the NPPES registry with a primary specialty of Community Health Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gregory Larkin located?
- Gregory Larkin's practice location on file with NPPES is 704 N Park Ave, Indianapolis, IN 46202-3431.
- What is Gregory Larkin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Larkin is (317) 632-0309.
- Is Gregory Larkin's NPI active?
- Yes — Gregory Larkin's NPI (1275660888) is active in the NPPES registry as of the last update on 2009-11-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.