Gregory Cook, OD
NPI 1689564833 · Optometrist · Bloomington, IN
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Cook, OD is a Optometrist provider in Bloomington, IN (NPI 1689564833).
Provider details
- NPI number
- 1689564833
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 18004605A (IN)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-07-08
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Gregory Cook's NPI number?
- Gregory Cook's National Provider Identifier (NPI) is 1689564833, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Cook's specialty?
- Gregory Cook is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Gregory Cook located?
- Gregory Cook's practice location on file with NPPES is 744 E 3rd St, Bloomington, IN 47405-3603.
- What is Gregory Cook's phone number?
- The practice phone number listed in the NPPES registry for Gregory Cook is (812) 855-8436.
- Does Gregory Cook accept Medicare?
- Gregory Cook is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Cook's NPI active?
- Yes — Gregory Cook's NPI (1689564833) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.