William Fleischer
NPI 1497394043 · Family Nurse Practitioner · Chicago, IL
William Fleischer is a Family Nurse Practitioner provider in Chicago, IL (NPI 1497394043).
Provider details
- NPI number
- 1497394043
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209020663 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2019-12-30
- Last updated
- 2019-12-30
- Certified
- 2019-12-30
Frequently asked questions
- What is William Fleischer's NPI number?
- William Fleischer's National Provider Identifier (NPI) is 1497394043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fleischer's specialty?
- William Fleischer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Fleischer located?
- William Fleischer's practice location on file with NPPES is 1431 N Claremont Ave, Chicago, IL 60622-1702.
- What is William Fleischer's phone number?
- The practice phone number listed in the NPPES registry for William Fleischer is (773) 252-6464.
- Is William Fleischer's NPI active?
- Yes — William Fleischer's NPI (1497394043) is active in the NPPES registry as of the last update on 2019-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.