Harrison Fillmore, MD
NPI 1700680121 · Emergency Medicine Physician · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harrison Fillmore, MD is a Emergency Medicine Physician provider in Chicago, IL (NPI 1700680121).
Provider details
- NPI number
- 1700680121
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125085573 (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
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
- 2025-04-03
- Last updated
- 2025-05-26
- Certified
- 2025-05-26
Frequently asked questions
- What is Harrison Fillmore's NPI number?
- Harrison Fillmore's National Provider Identifier (NPI) is 1700680121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harrison Fillmore's specialty?
- Harrison Fillmore is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Harrison Fillmore located?
- Harrison Fillmore's practice location on file with NPPES is 5841 S Maryland Ave # Mc5068, Chicago, IL 60637-1443.
- What is Harrison Fillmore's phone number?
- The practice phone number listed in the NPPES registry for Harrison Fillmore is (773) 702-9500.
- Does Harrison Fillmore accept Medicare?
- Harrison Fillmore is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harrison Fillmore's NPI active?
- Yes — Harrison Fillmore's NPI (1700680121) is active in the NPPES registry as of the last update on 2025-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.