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William Toepper, MD
NPI 1205873106 · Emergency Medicine Physician · Chicago, IL
William Toepper, MD is a Emergency Medicine Physician provider in Chicago, IL (NPI 1205873106).
Provider details
- NPI number
- 1205873106
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(84/100 index)
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
83% 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
836 W Wellington Ave
Chicago, IL 60657-5147
Phone: (773) 296-7054
Street-level locationGet directions
Mailing address
204 W Saint Paul Ave
Chicago, IL 60614-5712
Registry dates
- Enumerated
- 2006-05-31
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Toepper's NPI number?
- William Toepper's National Provider Identifier (NPI) is 1205873106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Toepper's specialty?
- William Toepper is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Toepper located?
- William Toepper's practice location on file with NPPES is 836 W Wellington Ave, Chicago, IL 60657-5147.
- What is William Toepper's phone number?
- The practice phone number listed in the NPPES registry for William Toepper is (773) 296-7054.
- Is William Toepper's NPI active?
- Yes — William Toepper's NPI (1205873106) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.