John Mark Martell, MD
Orthopaedic Surgery Physician · Chicago, IL
John Mark Martell, MD is an orthopaedic surgery physician with a practice address in Chicago, Illinois, and NPI 1770736282, issued on Oct 28, 2008. Check the license (Illinois 036-070208, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Mark Martell
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 036-070208 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5841 SO. Maryland Ave, Chicago, IL 60637
- Phone
- (773) 702-7297
- Enumerated
- Oct 28, 2008
- Record last updated
- Oct 28, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Verify John Mark Martell 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 036-070208Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Mark Martell among 995 orthopaedic surgery physician records in Illinois
John Mark Martell, MD is one of 995 orthopaedic surgery physician records with a practice address in Illinois. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 38% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 56% of these records are
- Record last updated2008 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X 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 Physician providers in Illinois
There are 995 orthopaedic surgery physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 995 in Illinois → Every provider in Chicago → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Tessa BalachChicago, IL 606371568628865
- Joseph Cohen, M.D.Chicago, IL 606371861873226
- Brianna Fram, MDChicago, IL 606371326401399
- Rex HaydonChicago, IL 606371881759611
- Sherwin HoChicago, IL 606371508921339
- Laura LewallenChicago, IL 606371285951723
- Hue LuuChicago, IL 606371295757011
- Nicholas MaassenChicago, IL 606371477718302
Common questions
What is John Mark Martell, MD's NPI number?
John Mark Martell, MD's National Provider Identifier (NPI) is 1770736282, issued on Oct 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Mark Martell, MD located?
The NPPES record lists a practice address at 5841 SO. Maryland Ave, Chicago, IL, 60637. Phone: (773) 702-7297. Providers update this record themselves, so call before visiting.
How can I verify John Mark Martell, MD's license?
NPPES lists Illinois license number 036-070208, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.