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William Bastian
NPI 1508368390 · Chiropractor · Chicago, IL
William Bastian is a Chiropractor provider in Chicago, IL (NPI 1508368390).
Provider details
- NPI number
- 1508368390
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 038013097 (IL)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
4256 N Ravenswood Ave
Chicago, IL 60613-1114
Phone: (773) 327-2225
Approximate (ZIP-level) locationGet directions
Mailing address
4256 N Ravenswood Ave
Chicago, IL 60613-1114
Registry dates
- Enumerated
- 2018-03-07
- Last updated
- 2018-03-07
Frequently asked questions
- What is William Bastian's NPI number?
- William Bastian's National Provider Identifier (NPI) is 1508368390, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Bastian's specialty?
- William Bastian is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is William Bastian located?
- William Bastian's practice location on file with NPPES is 4256 N Ravenswood Ave, Chicago, IL 60613-1114.
- What is William Bastian's phone number?
- The practice phone number listed in the NPPES registry for William Bastian is (773) 327-2225.
- Is William Bastian's NPI active?
- Yes — William Bastian's NPI (1508368390) is active in the NPPES registry as of the last update on 2018-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.