Colin Flannelly, MD, MSC
NPI 1255062675 · Pediatrics Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colin Flannelly, MD, MSC is a Pediatrics Physician provider in Chicago, IL (NPI 1255062675).
Provider details
- NPI number
- 1255062675
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MSC
- Sex
- Male
- Sole proprietor
- No
- License
- 125.080829 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-06-17
- Last updated
- 2022-06-17
- Certified
- 2022-06-06
Frequently asked questions
- What is Colin Flannelly's NPI number?
- Colin Flannelly's National Provider Identifier (NPI) is 1255062675, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Flannelly's specialty?
- Colin Flannelly is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Colin Flannelly located?
- Colin Flannelly's practice location on file with NPPES is 1645 W Jackson Blvd Ste 215, Chicago, IL 60612-3227.
- What is Colin Flannelly's phone number?
- The practice phone number listed in the NPPES registry for Colin Flannelly is (312) 942-8028.
- Does Colin Flannelly accept Medicare?
- Colin Flannelly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colin Flannelly's NPI active?
- Yes — Colin Flannelly's NPI (1255062675) is active in the NPPES registry as of the last update on 2022-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.