Gregory G. Markarian, M.D
Sports Medicine (Orthopaedic Surgery) Physician · Chicago, IL
Gregory G. Markarian, M.D is a sports medicine (orthopaedic surgery) physician with a practice address in Chicago, Illinois, and NPI 1194897124, issued on Nov 14, 2006. Check the license (Illinois 036091945, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory G. Markarian
- Credential
- M.D
- Primary taxonomy
- Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
- License number
- 036091945 IL
Self-reported in NPPES; status is on the state search - Practice location
- 33 W Delaware PL, Chicago, IL 60610
- Phone
- (312) 255-7540
- Enumerated
- Nov 14, 2006
- Record last updated
- Jan 18, 2024
- Fax
- (312) 255-1276
- Entity
- Type 1 · individual
8 nearest sports medicine (orthopaedic surgery) physician records → All 102 in Illinois → Look up another NPI →
Also registered at 33 W Delaware PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donald Koch, MDDiagnostic Radiology Physician1114036829
Verify Gregory G. Markarian 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 036091945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024
62 Medicare Part D claims for 22 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen20 claims
- Ondansetron Hcl16 claims
- Zolpidem Tartrate14 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.
Industry payments in 2024: $168.87
2 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory G. Markarian among 102 sports medicine (orthopaedic surgery) physician records in Illinois
Gregory G. Markarian, M.D is one of 102 sports medicine (orthopaedic surgery) physician records with a practice address in Illinois. 89% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 55% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileNo · 84% of these records are
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sports Medicine (Orthopaedic Surgery) Physician providers in Illinois
There are 102 sports medicine (orthopaedic surgery) physician records in Illinois.
All 102 in Illinois → Every provider in Chicago → Sports Medicine (Orthopaedic Surgery) Physician nationwide →
The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes
- Patrick Birmingham, MDChicago, IL 606111043477052
- Mark Bowen, MDChicago, IL 606111568419463
- Vehniah Tjong, M.D.Chicago, IL 606111003201419
- Bernard Bach, M.D.Chicago, IL 606121407835309
- Charles Bush-Joseph, M.D.Chicago, IL 606121821077736
- Jaskarndip Chahal, M.D.Chicago, IL 606121508145442
- Brian Cole, M.D.Chicago, IL 606121659350379
- Brian Forsythe, M.D.Chicago, IL 606121770557811
Common questions
What is Gregory G. Markarian, M.D's NPI number?
Gregory G. Markarian, M.D's National Provider Identifier (NPI) is 1194897124, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory G. Markarian, M.D located?
The NPPES record lists a practice address at 33 W Delaware PL, Chicago, IL, 60610. Phone: (312) 255-7540. Providers update this record themselves, so call before visiting.
How can I verify Gregory G. Markarian, M.D's license?
NPPES lists Illinois license number 036091945, 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 Gregory G. Markarian, M.D prescribe under Medicare Part D?
In 2024, Gregory G. Markarian, M.D had 62 Medicare Part D claims for 22 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. 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.