Thomas Flanagan, MD
NPI 1508841883 · Internal Medicine Physician · Elk Grove Village, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Flanagan, MD is a Internal Medicine Physician provider in Elk Grove Village, IL (NPI 1508841883).
Provider details
- NPI number
- 1508841883
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036055833 (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
20 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
- 2005-12-09
- Last updated
- 2017-01-19
Frequently asked questions
- What is Thomas Flanagan's NPI number?
- Thomas Flanagan's National Provider Identifier (NPI) is 1508841883, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Flanagan's specialty?
- Thomas Flanagan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Flanagan located?
- Thomas Flanagan's practice location on file with NPPES is 800 W Biesterfield Rd, Elk Grove Village, IL 60007-3378.
- What is Thomas Flanagan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Flanagan is (847) 981-3678.
- Does Thomas Flanagan accept Medicare?
- Thomas Flanagan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Flanagan's NPI active?
- Yes — Thomas Flanagan's NPI (1508841883) is active in the NPPES registry as of the last update on 2017-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.