William Harenburg, M.D.
NPI 1891968954 · Pediatrics Physician · Wheaton, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Harenburg, M.D. is a Pediatrics Physician provider in Wheaton, IL (NPI 1891968954).
Provider details
- NPI number
- 1891968954
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036.119728 (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
18 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
- 2008-04-10
- Last updated
- 2019-10-14
Frequently asked questions
- What is William Harenburg's NPI number?
- William Harenburg's National Provider Identifier (NPI) is 1891968954, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Harenburg's specialty?
- William Harenburg is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is William Harenburg located?
- William Harenburg's practice location on file with NPPES is 2001 N Gary Ave Ste 100, Wheaton, IL 60187-3055.
- What is William Harenburg's phone number?
- The practice phone number listed in the NPPES registry for William Harenburg is (630) 614-4100.
- Does William Harenburg accept Medicare?
- William Harenburg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Harenburg's NPI active?
- Yes — William Harenburg's NPI (1891968954) is active in the NPPES registry as of the last update on 2019-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.