Doctor profile · Federal record

Dr. Christos Giannoulias, M.D./M.S.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Sports Medicine (Orthopaedic Surgery) Physician · Elmhurst, IL

  • NPI 1336198357
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1200 S York RD, Suite 4190
Elmhurst, IL 601265626
(630) 782-1174

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
April 30, 2015
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Illinois #036104649
Medicaid
IL #036104649

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336198357. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
625
Distinct HCPCS
6
Medicare allowed
$30,007
HCPCS Description Services Patients Avg allowed
J1030 Injection, methylprednisolone acetate, 40 mg 210 56 $8
20610 Aspiration and/or injection of fluid from large joint 187 63 $61
J7321 Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose 105 23 $72
99212 Established patient office or other outpatient visit, 10-19 minutes 68 48 $59
99213 Established patient office or other outpatient visit, 20-29 minutes 41 31 $94
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $119

In context: peer comparison

Among 5 peers in Elmhurst Orthopaedic Surgery Physician, average services per provider: 145. This provider delivers 4.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Christos Giannoulias's medical specialty?
Dr. Christos Giannoulias practices Orthopaedic Surgery Physician in Elmhurst, IL.
Where does Dr. Christos Giannoulias practice?
Dr. Christos Giannoulias practices at 1200 S York RD, Elmhurst, IL 601265626. Office phone: 6307821174.
What is Dr. Christos Giannoulias's NPI?
Dr. Christos Giannoulias's National Provider Identifier (NPI) is 1336198357, issued by NPPES.
Does Dr. Christos Giannoulias accept Medicare assignment?
Yes. Dr. Christos Giannoulias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christos Giannoulias commonly perform?
Top Medicare-reported procedures in 2023: Injection, methylprednisolone acetate, 40 mg (HCPCS J1030); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Hyaluronan or derivative, hyalgan, supartz or visco-3, for intra-articular injection, per dose (HCPCS J7321). Source: CMS Medicare Physician & Other Practitioners file.