Christos S. Giannoulias, M.D./M.S.
Orthopaedic Surgery Physician · Elmhurst, IL
Christos S. Giannoulias, M.D./M.S. is an orthopaedic surgery physician with a practice address in Elmhurst, Illinois, and NPI 1336198357, issued on May 8, 2006. Check the license (Illinois 036104649, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Christos S. Giannoulias
- Credential
- M.D./M.S.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 036104649 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1200 S York RD, Elmhurst, IL 60126
- Phone
- (630) 782-1174
- Enumerated
- May 8, 2006
- Record last updated
- Apr 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 036104649 IL
- Medicare enrollment
- Enrolled (PECOS I20041123000070); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 995 in Illinois → Look up another NPI →
Also registered at 1200 S York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lois Adamiec, M.S.Audiologist1225290026
- Nabil Barakat, MDPlastic Surgery Physician1619993268
- Janet Benedict, PTPhysical Therapist1346414893
- Stephen Boghossian, M.D.Surgery Physician1245210111
- Richard Brash, M.D.Sports Medicine (Orthopaedic Surgery) Physician1073550109
- Jennifer Chaidaisuk, PT, DPTPhysical Therapist1649522582
Verify Christos S. Giannoulias 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 036104649Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
54 Medicare Part D claims for 30 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Tramadol Hcl25 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.
Bills Medicare through one group practice
- G And T Orthopaedics And Sports MedicineElmhurst, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christos S. Giannoulias among 995 orthopaedic surgery physician records in Illinois
Christos S. Giannoulias, M.D./M.S. 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. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1998 · median 2001 among the 556 with a school on file
- Record last updated2015 · 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.
All 995 in Illinois → Every provider in Elmhurst → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Eugene Bartucci, MDElmhurst, IL 601261932213469
- William Hadesman, MDElmhurst, IL 601261548284003
- Ryon Hennessy, MDElmhurst, IL 601261093717480
- Denise Ibrahim, D.O.Elmhurst, IL 601261164418869
- Alvin Kanter, MDElmhurst, IL 601261326030560
- Joanne Labriola, MDElmhurst, IL 601261518904739
- Jeffrey Meisles, MD FACSElmhurst, IL 601261982606372
- Dean Milos, MDElmhurst, IL 601261356491732
Common questions
What is Christos S. Giannoulias, M.D./M.S.'s NPI number?
Christos S. Giannoulias, M.D./M.S.'s National Provider Identifier (NPI) is 1336198357, issued on May 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christos S. Giannoulias, M.D./M.S. located?
The NPPES record lists a practice address at 1200 S York RD, Elmhurst, IL, 60126. Phone: (630) 782-1174. Providers update this record themselves, so call before visiting.
How can I verify Christos S. Giannoulias, M.D./M.S.'s license?
NPPES lists Illinois license number 036104649, 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 Christos S. Giannoulias, M.D./M.S. prescribe under Medicare Part D?
In 2024, Christos S. Giannoulias, M.D./M.S. had 54 Medicare Part D claims for 30 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.