Active NPI 1164423786 Individual Practitioner Male Practitioner

Dr. Kellen K. Choi , MD

Orthopaedic Surgery • Lombard, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Kellen Choi, MD is a certified Orthopaedic Surgery practicing in Lombard, IL. With approximately 29 years of clinical experience since graduating from Northwestern University Feinberg Medical School in 1997, Dr. Choi delivers high-quality medical care to the local community at 130 S MAIN ST STE 304.

Dr. Choi is affiliated with Endeavor Health Medical Group and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, aspiration and/or injection of fluid from large joint, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

130 S Main St Ste 304

Lombard, IL 601482670

Telephone 6306467000

Fax 6305481563

Medicare Profile & Education

Medical School

Northwestern University Feinberg Medical School

Graduation Year

1997

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Lombard, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

29 Yrs +3.8 yrs vs City Avg

City Avg: 25.2 Yrs

State Avg: 27.0 Yrs

Regional Practice Density

8 Specialists

Practicing in Lombard, IL (1064 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

70.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Choi (29 Years) 29 Yrs

Lombard Specialty Average (25.2 Years) 25.2 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	598	109	$8.00	$0.99
20610 Aspiration and/or injection of fluid from large joint	171	136	$467.09	$77.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	163	129	$278.00	$134.79
99213 Established patient office or other outpatient visit, typically 15 minutes	114	91	$200.00	$95.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$371.00	$178.52
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	34	22	$3479.00	$680.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	33	33	$254.00	$118.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	25	$394.00	$187.92
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$428.00	$181.77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$293.00	$137.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	578	104	$8.00	$1.07
20610 Aspiration and/or injection of fluid from large joint	179	135	$322.46	$76.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	126	$175.00	$134.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	113	113	$283.00	$174.21
99213 Established patient office or other outpatient visit, typically 15 minutes	87	66	$121.00	$93.72
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	57	31	$1088.00	$704.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	37	37	$380.00	$182.31
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	27	26	$278.00	$183.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	27	27	$195.00	$119.43

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	666	115	$8.00	$1.14
20610 Aspiration and/or injection of fluid from large joint	191	137	$318.53	$77.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	148	112	$175.00	$133.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	112	112	$283.00	$178.10
99213 Established patient office or other outpatient visit, typically 15 minutes	105	86	$121.00	$97.18
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	44	44	$195.00	$120.88
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	42	27	$1088.00	$758.15
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$380.00	$208.61

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	584	103	$8.00	$1.27
99213 Established patient office or other outpatient visit, typically 15 minutes	209	141	$121.00	$97.95
20610 Aspiration and/or injection of fluid from large joint	185	130	$303.57	$75.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	124	124	$195.00	$121.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	47	41	$175.00	$132.07
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	39	25	$1088.00	$761.03
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$283.00	$180.88
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$380.00	$211.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7318 Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg	2,040	24	$20.26	$16.80
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	1,056	18	$35.87	$18.45
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	636	107	$5.58	$1.46
99213 Established patient office or other outpatient visit, typically 15 minutes	299	188	$214.79	$80.66
20610 Aspiration and/or injection of fluid from large joint	243	155	$250.70	$73.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	105	105	$307.19	$116.33
73564 X-ray of knee, 4 or more views	52	43	$125.00	$46.25
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	49	33	$1495.51	$744.65
73030 X-ray of shoulder, minimum of 2 views	43	36	$95.00	$35.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	36	$138.70	$48.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	17	17	$275.00	$117.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	1,200	19	$25.00	$11.39
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg	834	20	$37.50	$18.58
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	785	147	$5.00	$1.56
99213 Established patient office or other outpatient visit, typically 15 minutes	364	238	$235.00	$78.36
20610 Aspiration and/or injection of fluid from large joint	325	191	$203.69	$67.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	170	170	$350.00	$115.36
73564 X-ray of knee, 4 or more views	128	110	$125.00	$44.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	77	65	$140.00	$48.07
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	77	53	$1527.27	$1296.26
73030 X-ray of shoulder, minimum of 2 views	68	51	$95.00	$31.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	31	$346.41	$113.64
73502 X-ray of hip, 2-3 views	27	24	$90.00	$44.59
73610 X-ray of ankle, minimum of 3 views	26	15	$100.00	$35.69
72100 X-ray of lower and sacral spine, 2-3 views	24	24	$110.00	$39.02
73560 X-ray of knee, 1-2 views	19	13	$100.00	$34.58
73562 X-ray of knee, 3 views	15	11	$115.00	$37.86

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	3,072	47	$25.00	$11.62
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	893	155	$5.00	$1.79
99213 Established patient office or other outpatient visit, typically 15 minutes	382	248	$220.27	$76.60
20610 Aspiration and/or injection of fluid from large joint	332	195	$209.43	$64.82
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	175	175	$322.07	$114.03
73564 X-ray of knee, 4 or more views	117	97	$129.04	$41.54
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	98	85	$133.78	$45.80
73030 X-ray of shoulder, minimum of 2 views	87	66	$105.89	$30.24
J7327 Hyaluronan or derivative, monovisc, for intra-articular injection, per dose	33	21	$1200.00	$761.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	31	29	$297.13	$112.96
73502 X-ray of hip, 2-3 views	29	26	$104.83	$42.63
72100 X-ray of lower and sacral spine, 2-3 views	23	23	$114.17	$36.98
73560 X-ray of knee, 1-2 views	18	15	$109.00	$32.99
29827 Repair of shoulder rotator cuff using an endoscope	12	11	$5225.00	$1154.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J7325 Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg	3,408	53	$25.00	$12.37
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	823	147	$5.00	$1.80
99213 Established patient office or other outpatient visit, typically 15 minutes	348	222	$101.00	$76.16
20610 Aspiration and/or injection of fluid from large joint	262	171	$271.11	$70.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	146	146	$169.00	$114.41
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	96	75	$79.00	$45.89
73030 X-ray of shoulder, minimum of 2 views	86	57	$172.83	$30.43
73564 X-ray of knee, 4 or more views	64	54	$168.00	$41.78
73630 X-ray of foot, minimum of 3 views	38	21	$134.00	$30.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	29	$133.00	$112.54
73502 X-ray of hip, 2-3 views	27	23	$176.00	$41.27
73610 X-ray of ankle, minimum of 3 views	21	15	$134.00	$33.31
73110 X-ray of wrist, minimum of 3 views	18	11	$154.00	$37.43
72100 X-ray of lower and sacral spine, 2-3 views	14	14	$142.00	$36.93

Medical Specialties & State Licenses

CMS Verified: 2021-02-24

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License IL 036106615

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Hospital & Practice Group Affiliations

Endeavor Health Medical Group

130 S Main St, Lombard, IL 601482670

Endeavor Health Medical Group

1200 S York St, Elmhurst, IL 601265626

Phone: 3312216180

Endeavor Health Medical Group

1200 S York Rd, Elmhurst, IL 601265626

Phone: 6305273200

Endeavor Health Medical Group

801 S Washington St, Naperville, IL 605407430

Phone: 6305275197

Endeavor Health Medical Group

2650 Ridge Ave, Evanston, IL 602011700

Endeavor Health Medical Group

801 S Washington St, Naperville, IL 605407430

Phone: 6305275359

Endeavor Health Medical Group

1200 S York St, Elmhurst, IL 601265626

Phone: 3312216636

Secondary Practice Locations

120 Spalding Dr Ste 307

Naperville, IL 605406521

Phone: 6306467000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

22 Associated Practitioners

Dr. Mohammed Ahmed , MD

Orthopaedic Surgery

NPI 1053623868

Doctor of Medicine (M.D.)

Dr. Ryan Sullivan , MD

Orthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery

NPI 1063701241

Doctor of Medicine (M.D.)

Kevin Wright , PA-C

Physician Assistant - Surgical

NPI 1104813849

Physician Assistant (Certified)

Dr. Alexa Bykowski , DPM

Podiatrist - Foot Surgery

NPI 1154070902

Doctor of Podiatric Medicine

Shannon Krippinger , PA-C

Physician Assistant - Surgical

NPI 1245781558

Physician Assistant (Certified)

Patrick Lester , PA-C

Physician Assistant - Surgical

NPI 1295393403

Physician Assistant (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events

📍

Updated Practice Location February 24, 2021

Registered at 130 S MAIN ST STE 304, LOMBARD, IL 601482670 (Tel: 6306467000)

📍

Updated Business Mailing Address February 24, 2021

Registered at 130 S MAIN ST STE 304, LOMBARD, IL 601482670 (Tel: 6306467000)

✅

NPI Profile Active June 13, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location June 13, 2013

Registered at 327 GUNDERSEN DR, SUITE A, CAROL STREAM, IL 601882402 (Tel: 6306659155)

📍

Updated Business Mailing Address June 13, 2013

Registered at 327 GUNDERSEN DR, SUITE A, CAROL STREAM, IL 601882402 (Tel: 6306659155)

👤

Provider Name / Credentials Updated June 13, 2013

Recorded as KELLEN CHOI, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 13, 2013

Orthopaedic Surgery (License #036106615 in IL)

🟢

Initial NPI Registration & Enumeration August 04, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1164423786

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 04, 2005

Last Update: February 24, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

130 S Main St Ste 304

Lombard, IL 601482670

Phone: 6306467000

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.