Mark J. Sokolowski, MD
Orthopaedic Surgery of the Spine Physician · Chicago, IL
Mark J. Sokolowski, MD is an orthopaedic surgery of the spine physician with a practice address in Chicago, Illinois, and NPI 1346278017, issued on Jun 29, 2006. Check the license (Illinois 036111925, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Mark J. Sokolowski
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- 036111925 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1743 N Harlem Ave, Chicago, IL 60707
- Phone
- (708) 529-4500
- Enumerated
- Jun 29, 2006
- Record last updated
- Feb 23, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070806000249); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 68 in Illinois → Look up another NPI →
Verify Mark J. Sokolowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036111925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
99 Medicare Part D claims for 45 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Meloxicam33 claims
- Tramadol Hcl19 claims
- Naproxen13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mark J. Sokolowski among 68 orthopaedic surgery of the spine physician records in Illinois
Mark J. Sokolowski, MD is one of 68 orthopaedic surgery of the spine physician records with a practice address in Illinois. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2001 · median 2001 among the 47 with a school on file
- Record last updated2017 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in Illinois
There are 68 orthopaedic surgery of the spine physician records in Illinois.
All 68 in Illinois → Every provider in Chicago → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Purnendu Gupta, MDChicago, IL 607071740358308
- Julie Wehner, MDChicago, IL 606571730153065
- Michael LeeChicago, IL 606371881896652
- Howard An, MDChicago, IL 606121255310157
- Matthew Colman, MDChicago, IL 606121205002607
- Christopher Dewald, M.D.Chicago, IL 606121952334948
- Edward Goldberg, M.D.Chicago, IL 606121407835176
- Gregory Lopez, MDChicago, IL 606121366754699
Common questions
What is Mark J. Sokolowski, MD's NPI number?
Mark J. Sokolowski, MD's National Provider Identifier (NPI) is 1346278017, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Sokolowski, MD located?
The NPPES record lists a practice address at 1743 N Harlem Ave, Chicago, IL, 60707. Phone: (708) 529-4500. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Sokolowski, MD's license?
NPPES lists Illinois license number 036111925, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Sokolowski, MD prescribe under Medicare Part D?
In 2024, Mark J. Sokolowski, MD had 99 Medicare Part D claims for 45 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.