IndividualActive
William Cruikshank, M.D.
NPI 1639104052 · Internal Medicine Physician · Oak Lawn, IL
Provider details
- NPI number
- 1639104052
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-081634 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(100/100 index)
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
3 documented practice locations
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
6101 W 95th St
Oak Lawn, IL 60453-2735
Phone: (708) 261-0831
Street-level locationGet directions
Mailing address
1395 Nw 167th St
Miami Gardens, FL 33169-5710
Additional practice locations (2)
- 2231 E 95th StChicago, IL 60617-4804Phone: (773) 768-7700
- 100 W 162nd StSouth Holland, IL 60473-2003Phone: (708) 730-2200
Registry dates
- Enumerated
- 2006-07-12
- Last updated
- 2021-07-30
- Certified
- 2021-07-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.