Coby Flagg
NPI 1790673101 · Optometrist · Chicago, IL
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Coby Flagg is a Optometrist provider in Chicago, IL (NPI 1790673101).
Provider details
- NPI number
- 1790673101
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 046011998 (IL)
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
1 yr 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
- 2025-06-25
- Last updated
- 2025-07-23
- Certified
- 2025-07-23
Frequently asked questions
- What is Coby Flagg's NPI number?
- Coby Flagg's National Provider Identifier (NPI) is 1790673101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Coby Flagg's specialty?
- Coby Flagg is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Coby Flagg located?
- Coby Flagg's practice location on file with NPPES is 3241 S Michigan Ave, Chicago, IL 60616-4201.
- What is Coby Flagg's phone number?
- The practice phone number listed in the NPPES registry for Coby Flagg is (312) 225-6200.
- Does Coby Flagg accept Medicare?
- Coby Flagg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Coby Flagg's NPI active?
- Yes — Coby Flagg's NPI (1790673101) is active in the NPPES registry as of the last update on 2025-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.