OrganizationActive
Mark J Sokolowski MD Sc
NPI 1396045464 · Orthopaedic Surgery of the Spine Physician · Chicago, IL
Provider details
- NPI number
- 1396045464
- Entity type
- Organization
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Sokolowski, President(630) 962-7390
- License
- 042619573 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
1743 N Harlem Ave
Chicago, IL 60707-4305
Phone: (773) 295-5025
Street-level locationGet directions
Mailing address
Po Box 4571
Lisle, IL 60532-9571
Registry dates
- Enumerated
- 2010-10-23
- Last updated
- 2020-10-06
- Certified
- 2020-10-06
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.