Doctor profile · Federal record

Dr. Kellen Choi, M.D.

Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Lombard, IL

  • NPI 1164423786
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
130 S Main St Ste 304
Lombard, IL 601482670
(630) 646-7000
fax (630) 548-1563
Additional location
120 Spalding Dr Ste 307
Naperville, IL 605406521

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 24, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207X00000X — NUCC code
State license (1)
Illinois #036106615

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164423786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,257
Distinct HCPCS
9
Medicare allowed
$117,692
HCPCS Description Services Patients Avg allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 578 104 $1
20610 Aspiration and/or injection of fluid from large joint 179 135 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 152 126 $134
99204 New patient office or other outpatient visit, 45-59 minutes 113 113 $174
99213 Established patient office or other outpatient visit, 20-29 minutes 87 66 $94
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose 57 31 $704
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $182
99203 New patient office or other outpatient visit, 30-44 minutes 27 27 $119
99215 Established patient office or other outpatient visit, 40-54 minutes 27 26 $184

In context: peer comparison

Among 4 peers in this city , average services per provider: 919. This provider delivers 1.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Axonics, Inc. 1 $60.01
Medtronic, Inc. 2 $33.28
Vericel Corporation 1 $20.03

By nature of payment

Food and Beverage
$113

Frequently asked questions

Auto-generated from federal data
What is Dr. Kellen Choi's medical specialty?
Dr. Kellen Choi practices Orthopaedic Surgery Physician in Lombard, IL.
Where does Dr. Kellen Choi practice?
Dr. Kellen Choi practices at 130 S Main St Ste 304, Lombard, IL 601482670. Office phone: 6306467000.
What is Dr. Kellen Choi's NPI?
Dr. Kellen Choi's National Provider Identifier (NPI) is 1164423786, issued by NPPES.
Does Dr. Kellen Choi accept Medicare assignment?
Yes. Dr. Kellen Choi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kellen Choi commonly perform?
Top Medicare-reported procedures in 2023: Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.