William Frese, MD
NPI 1841340882 · Pediatrics Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Frese, MD is a Pediatrics Physician provider in Chicago, IL (NPI 1841340882).
Provider details
- NPI number
- 1841340882
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 54693 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-01-11
- Last updated
- 2012-12-11
Frequently asked questions
- What is William Frese's NPI number?
- William Frese's National Provider Identifier (NPI) is 1841340882, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Frese's specialty?
- William Frese is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Frese located?
- William Frese's practice location on file with NPPES is 1801 W Taylor St, Chicago, IL 60612-4795.
- What is William Frese's phone number?
- The practice phone number listed in the NPPES registry for William Frese is (312) 996-7416.
- Does William Frese accept Medicare?
- William Frese is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Frese's NPI active?
- Yes — William Frese's NPI (1841340882) is active in the NPPES registry as of the last update on 2012-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.