Active NPI 1083681027 Individual Practitioner Male Practitioner

Dr. Joon S Ahn , MD

Orthopaedic Surgery - Hand Surgery • Mount Vernon, IL

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Joon Ahn, MD is a certified Orthopaedic Surgery - Hand Surgery practicing in Mount Vernon, IL. With approximately 31 years of clinical experience since graduating from Temple University School Of Medicine in 1995, Dr. Ahn delivers high-quality medical care to the local community at 4121 VETERANS MEMORIAL DR.

Dr. Ahn maintains professional affiliations with Select Physical Therapy Holdings Inc, Orthopaedic Center Of Southern Illinois, Ltd and accepts Medicare assignment.

Frequently performed procedures and clinical services include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient outpatient office visit, x-ray of hand, minimum of 3 views. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4121 Veterans Memorial Dr

Mount Vernon, IL 628646262

Telephone 6182423778

Fax 6182422551

Associated Practice Facility / Clinic

🏢 Orthopaedic Center Of Southern Illinois, Ltd. Facility NPI 1134171226

Medicare Profile & Education

Medical School

Temple University School Of Medicine

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery - Hand Surgery in Mount Vernon, IL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs Matches City Avg

City Avg: 31.0 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

1 Specialists

Practicing in Mount Vernon, IL (135 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

88.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Ahn (31 Years) 31 Yrs

Mount Vernon Specialty Average (31.0 Years) 31.0 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	989	223	$30.00	$0.96
99213 Established patient office or other outpatient visit, typically 15 minutes	299	221	$280.00	$85.01
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	223	179	$240.00	$53.13
73130 X-ray of hand, minimum of 3 views	179	133	$270.00	$33.29
73030 X-ray of shoulder, minimum of 2 views	168	120	$280.00	$28.46
73110 X-ray of wrist, minimum of 3 views	126	86	$280.00	$34.75
20550 Injection into tendon or ligament	121	84	$368.93	$50.16
20600 Aspiration and/or injection of fluid from small joint	113	70	$400.09	$53.54
73140 X-ray of finger, minimum of 2 views	87	59	$240.00	$32.07
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	84	84	$360.00	$105.87
29848 Release of wrist ligament using an endoscope	73	63	$3621.92	$459.73
73221 Mri scan of arm joint without contrast	70	35	$1225.00	$95.31
77085 Bone density measurement using dedicated x-ray machine	68	68	$490.00	$48.65
20610 Aspiration and/or injection of fluid from large joint	67	56	$463.88	$64.59
72148 MRI scan of lower spinal canal	58	29	$1175.00	$89.72
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk	57	57	$200.00	$37.14
73080 X-ray of elbow, minimum of 3 views	43	33	$270.00	$25.46
99202 New patient office or other outpatient visit, typically 20 minutes	42	42	$290.00	$68.24
20605 Aspiration and/or injection of medium joint or joint capsule	34	28	$391.76	$52.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	32	$350.00	$122.41
73100 X-ray of wrist, 2 views	28	17	$260.00	$28.95
73564 X-ray of knee, 4 or more views	24	20	$310.00	$32.62
73502 X-ray of hip, 2-3 views	21	18	$300.00	$36.13
72170 X-ray of pelvis, 1-2 views	20	18	$270.00	$17.68
72114 X-ray lower and sacral spine, minimum of 6 views	18	18	$430.00	$42.09
29075 Application of elbow to finger cast	17	14	$450.00	$84.40
73562 X-ray of knee, 3 views	16	16	$280.00	$28.66
26055 Incision of tendon covering	14	13	$2557.14	$173.17
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	14	11	$141.79	$23.39
29827 Repair of shoulder rotator cuff using an endoscope	13	13	$7307.69	$1050.97
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	13	13	$4692.31	$169.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	1,016	213	$22.34	$1.05
99213 Established patient office or other outpatient visit, typically 15 minutes	379	269	$220.37	$85.70
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	254	212	$181.14	$54.15
73130 X-ray of hand, minimum of 3 views	188	134	$208.83	$33.59
73030 X-ray of shoulder, minimum of 2 views	171	132	$222.11	$29.47
73110 X-ray of wrist, minimum of 3 views	166	108	$228.80	$35.14
20550 Injection into tendon or ligament	116	80	$314.57	$52.05
73140 X-ray of finger, minimum of 2 views	108	74	$178.43	$34.40
20600 Aspiration and/or injection of fluid from small joint	106	64	$321.98	$50.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	104	104	$300.38	$108.37
20610 Aspiration and/or injection of fluid from large joint	75	66	$400.80	$65.84
73221 Mri scan of arm joint without contrast	71	36	$1213.38	$100.20
73080 X-ray of elbow, minimum of 3 views	69	51	$211.30	$26.57
29848 Release of wrist ligament using an endoscope	64	50	$2800.00	$450.57
73100 X-ray of wrist, 2 views	56	26	$202.86	$31.28
77085 Bone density measurement using dedicated x-ray machine	42	42	$398.33	$47.65
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk	36	36	$104.17	$38.23
20605 Aspiration and/or injection of medium joint or joint capsule	35	29	$364.86	$55.63
73502 X-ray of hip, 2-3 views	35	19	$238.57	$37.68
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	34	$304.29	$124.13
72148 MRI scan of lower spinal canal	30	15	$1115.00	$92.69
99202 New patient office or other outpatient visit, typically 20 minutes	21	21	$228.10	$68.18
73564 X-ray of knee, 4 or more views	19	15	$244.21	$31.32
29075 Application of elbow to finger cast	17	15	$397.06	$85.99
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	17	15	$35.00	$22.77
29999 Joint procedure using an endoscope	15	12	$2800.00	$575.27
72170 X-ray of pelvis, 1-2 views	14	14	$216.43	$18.29
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$289.23	$82.85
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	12	12	$1000.00	$173.46
29827 Repair of shoulder rotator cuff using an endoscope	12	12	$5000.00	$1070.52
72114 X-ray lower and sacral spine, minimum of 6 views	11	11	$370.91	$43.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	610	182	$20.00	$1.13
99213 Established patient office or other outpatient visit, typically 15 minutes	421	290	$180.00	$86.65
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	235	189	$140.00	$54.16
73110 X-ray of wrist, minimum of 3 views	191	134	$180.94	$37.04
73030 X-ray of shoulder, minimum of 2 views	175	131	$180.00	$28.88
73140 X-ray of finger, minimum of 2 views	140	82	$140.00	$34.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	128	128	$260.00	$106.56
20550 Injection into tendon or ligament	121	86	$270.74	$52.28
73130 X-ray of hand, minimum of 3 views	119	85	$170.00	$33.94
29848 Release of wrist ligament using an endoscope	79	61	$2800.00	$456.61
77085 Bone density measurement using dedicated x-ray machine	78	78	$390.00	$48.28
73221 Mri scan of arm joint without contrast	76	38	$1180.26	$102.68
20600 Aspiration and/or injection of fluid from small joint	73	51	$270.96	$51.42
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk	67	67	$100.00	$38.54
73100 X-ray of wrist, 2 views	63	26	$160.00	$31.42
20610 Aspiration and/or injection of fluid from large joint	59	52	$341.69	$63.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	56	$250.00	$119.80
73080 X-ray of elbow, minimum of 3 views	53	39	$170.00	$28.82
73564 X-ray of knee, 4 or more views	30	25	$210.00	$33.41
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$190.00	$71.01
73502 X-ray of hip, 2-3 views	29	25	$200.00	$34.71
20605 Aspiration and/or injection of medium joint or joint capsule	25	21	$334.80	$59.20
J1040 Injection, methylprednisolone acetate, 80 mg	19	19	$30.00	$11.82
29075 Application of elbow to finger cast	18	15	$369.44	$86.14
26055 Incision of tendon covering	18	11	$1700.00	$184.20
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	17	14	$35.00	$21.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	17	14	$250.00	$69.83
99221 Initial hospital inpatient care per day, typically 30 minutes	16	16	$270.00	$99.35
29999 Joint procedure using an endoscope	15	13	$2800.00	$594.74
73562 X-ray of knee, 3 views	15	15	$180.00	$29.96
73610 X-ray of ankle, minimum of 3 views	14	13	$170.00	$26.86
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	13	13	$1000.00	$175.22
29827 Repair of shoulder rotator cuff using an endoscope	12	12	$5000.00	$1006.39
J1030 Injection, methylprednisolone acetate, 40 mg	11	11	$25.00	$5.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	319	226	$160.00	$87.27
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	229	182	$120.00	$54.58
73030 X-ray of shoulder, minimum of 2 views	186	131	$160.00	$27.70
73110 X-ray of wrist, minimum of 3 views	152	107	$160.00	$36.25
J1040 Injection, methylprednisolone acetate, 80 mg	144	116	$30.00	$10.38
73140 X-ray of finger, minimum of 2 views	133	79	$120.00	$34.07
J1030 Injection, methylprednisolone acetate, 40 mg	127	103	$25.00	$5.60
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	113	113	$240.00	$110.02
73130 X-ray of hand, minimum of 3 views	110	84	$150.00	$33.08
20550 Injection into tendon or ligament	109	88	$248.81	$53.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	99	94	$230.00	$125.08
20610 Aspiration and/or injection of fluid from large joint	85	72	$317.65	$62.42
77085 Bone density measurement using dedicated x-ray machine	76	76	$370.00	$49.71
20600 Aspiration and/or injection of fluid from small joint	72	51	$225.00	$50.18
73221 Mri scan of arm joint without contrast	71	36	$1166.20	$108.30
73100 X-ray of wrist, 2 views	71	30	$140.00	$30.97
29848 Release of wrist ligament using an endoscope	53	43	$2800.00	$431.21
73080 X-ray of elbow, minimum of 3 views	41	34	$150.00	$26.48
73502 X-ray of hip, 2-3 views	33	22	$180.00	$39.05
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	29	29	$330.00	$166.07
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$170.00	$71.55
99221 Initial hospital inpatient care per day, typically 30 minutes	23	23	$250.00	$100.69
73564 X-ray of knee, 4 or more views	18	16	$190.00	$32.74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$230.00	$71.20
26055 Incision of tendon covering	18	14	$1700.00	$226.41
72170 X-ray of pelvis, 1-2 views	16	12	$150.00	$21.26
29827 Repair of shoulder rotator cuff using an endoscope	16	16	$5000.00	$1041.63
29075 Application of elbow to finger cast	16	15	$325.00	$85.11
29999 Joint procedure using an endoscope	15	14	$2800.00	$602.71
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	15	15	$1120.00	$170.64
73562 X-ray of knee, 3 views	15	14	$160.00	$29.23
20605 Aspiration and/or injection of medium joint or joint capsule	13	12	$250.00	$49.43
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	13	13	$35.00	$20.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	318	235	$159.62	$72.73
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	242	186	$119.17	$44.31
73030 X-ray of shoulder, minimum of 2 views	240	173	$158.75	$28.21
73110 X-ray of wrist, minimum of 3 views	227	158	$158.90	$34.76
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	208	208	$239.62	$104.45
J1040 Injection, methylprednisolone acetate, 80 mg	165	120	$30.00	$11.26
73130 X-ray of hand, minimum of 3 views	144	95	$148.44	$31.35
73100 X-ray of wrist, 2 views	139	50	$139.42	$29.74
J1030 Injection, methylprednisolone acetate, 40 mg	137	103	$25.00	$6.01
73140 X-ray of finger, minimum of 2 views	127	75	$119.21	$33.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	104	$229.65	$105.43
20550 Injection into tendon or ligament	108	85	$261.48	$53.41
20610 Aspiration and/or injection of fluid from large joint	95	77	$326.53	$63.37
73221 Mri scan of arm joint without contrast	87	43	$1177.01	$110.05
29848 Release of wrist ligament using an endoscope	76	63	$2800.00	$450.39
77085 Bone density measurement using dedicated x-ray machine	71	71	$369.15	$50.86
20600 Aspiration and/or injection of fluid from small joint	65	47	$244.31	$52.27
73080 X-ray of elbow, minimum of 3 views	49	37	$150.00	$26.57
99221 Initial hospital inpatient care per day, typically 30 minutes	37	36	$249.46	$103.32
99202 New patient office or other outpatient visit, typically 20 minutes	35	35	$169.43	$74.87
73502 X-ray of hip, 2-3 views	28	19	$179.29	$39.91
29075 Application of elbow to finger cast	23	20	$339.13	$86.16
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	23	23	$1078.26	$182.30
29827 Repair of shoulder rotator cuff using an endoscope	22	22	$5000.00	$1092.21
29999 Joint procedure using an endoscope	19	17	$2800.00	$604.36
73564 X-ray of knee, 4 or more views	17	14	$190.00	$28.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$330.00	$163.37
20605 Aspiration and/or injection of medium joint or joint capsule	15	14	$266.67	$52.46
73610 X-ray of ankle, minimum of 3 views	14	11	$148.57	$26.40
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	14	13	$35.00	$20.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	418	280	$140.05	$71.82
73030 X-ray of shoulder, minimum of 2 views	314	193	$140.00	$26.37
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	229	194	$95.00	$43.46
J1040 Injection, methylprednisolone acetate, 80 mg	228	180	$30.00	$11.88
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	216	203	$210.00	$104.89
73110 X-ray of wrist, minimum of 3 views	207	147	$135.00	$31.68
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	165	165	$220.00	$102.06
73130 X-ray of hand, minimum of 3 views	148	99	$125.14	$29.83
73140 X-ray of finger, minimum of 2 views	143	97	$100.00	$30.68
J1030 Injection, methylprednisolone acetate, 40 mg	141	113	$25.00	$6.06
20550 Injection into tendon or ligament	140	107	$223.14	$49.46
20610 Aspiration and/or injection of fluid from large joint	123	108	$300.49	$61.20
73100 X-ray of wrist, 2 views	92	35	$120.00	$27.26
29848 Release of wrist ligament using an endoscope	78	64	$2800.00	$470.13
20600 Aspiration and/or injection of fluid from small joint	72	53	$207.50	$45.97
73221 Mri scan of arm joint without contrast	68	36	$967.65	$110.83
77085 Bone density measurement using dedicated x-ray machine	66	66	$350.00	$51.79
73080 X-ray of elbow, minimum of 3 views	50	38	$130.00	$25.52
99202 New patient office or other outpatient visit, typically 20 minutes	48	48	$150.00	$72.66
26055 Incision of tendon covering	35	21	$1700.00	$189.38
20605 Aspiration and/or injection of medium joint or joint capsule	35	32	$211.43	$48.43
73502 X-ray of hip, 2-3 views	34	24	$160.00	$35.60
99221 Initial hospital inpatient care per day, typically 30 minutes	32	31	$230.00	$101.95
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	22	$210.00	$72.73
72170 X-ray of pelvis, 1-2 views	27	24	$130.00	$22.20
73564 X-ray of knee, 4 or more views	24	21	$170.00	$28.17
29827 Repair of shoulder rotator cuff using an endoscope	24	24	$5062.50	$1073.49
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	23	23	$1078.26	$182.06
29075 Application of elbow to finger cast	21	15	$321.43	$83.52
72114 X-ray lower and sacral spine, minimum of 6 views	21	21	$290.00	$38.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$280.00	$135.99
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$310.00	$162.05
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	17	12	$35.00	$19.72
29999 Joint procedure using an endoscope	15	14	$2800.00	$558.20
23472 Prosthetic repair of shoulder joint, total shoulder	13	13	$7700.00	$1491.97
72052 X-ray of upper spine, 6 or more views	12	12	$230.00	$38.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	357	249	$139.58	$69.28
73030 X-ray of shoulder, minimum of 2 views	261	180	$139.77	$24.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	217	195	$209.75	$103.40
73110 X-ray of wrist, minimum of 3 views	214	147	$135.00	$31.33
J1040 Injection, methylprednisolone acetate, 80 mg	172	138	$30.00	$12.71
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	153	125	$94.80	$41.70
73140 X-ray of finger, minimum of 2 views	146	90	$100.00	$29.39
J1030 Injection, methylprednisolone acetate, 40 mg	116	96	$25.00	$6.60
20550 Injection into tendon or ligament	114	84	$221.23	$48.57
20610 Aspiration and/or injection of fluid from large joint	101	87	$299.41	$60.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	96	96	$220.00	$104.27
29848 Release of wrist ligament using an endoscope	96	76	$2829.17	$413.10
73130 X-ray of hand, minimum of 3 views	93	71	$125.00	$28.64
73100 X-ray of wrist, 2 views	81	40	$120.00	$25.41
99202 New patient office or other outpatient visit, typically 20 minutes	70	70	$149.57	$69.56
73221 Mri scan of arm joint without contrast	66	33	$987.88	$111.68
73080 X-ray of elbow, minimum of 3 views	65	51	$130.00	$27.42
77085 Bone density measurement using dedicated x-ray machine	65	65	$350.00	$53.03
20600 Aspiration and/or injection of fluid from small joint	56	41	$199.29	$43.02
29999 Joint procedure using an endoscope	34	29	$2808.82	$590.26
73502 X-ray of hip, 2-3 views	34	22	$159.41	$33.72
99221 Initial hospital inpatient care per day, typically 30 minutes	29	29	$230.00	$100.95
20605 Aspiration and/or injection of medium joint or joint capsule	28	24	$235.71	$50.57
73564 X-ray of knee, 4 or more views	24	18	$170.00	$26.71
29827 Repair of shoulder rotator cuff using an endoscope	24	24	$5000.00	$1058.80
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	23	23	$1000.00	$180.17
72170 X-ray of pelvis, 1-2 views	22	20	$130.00	$23.27
73610 X-ray of ankle, minimum of 3 views	21	15	$130.00	$23.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	21	$280.00	$125.45
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	18	15	$210.00	$72.08
72100 X-ray of lower and sacral spine, 2-3 views	17	16	$150.00	$21.91
29075 Application of elbow to finger cast	17	15	$300.00	$75.03
Q4010 Cast supplies, short arm cast, adult (11 years +), fiberglass	17	15	$35.00	$16.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$310.00	$160.60
72114 X-ray lower and sacral spine, minimum of 6 views	15	15	$290.00	$41.49
72190 X-ray of pelvis, minimum of 3 views	13	12	$190.00	$25.74
25447 Removal of bone joints between wrist and fingers	11	11	$3454.55	$827.77
25310 Relocation of tendon of forearm and/or wrist	11	11	$2754.55	$308.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	404	247	$110.00	$68.55
73030 X-ray of shoulder, minimum of 2 views	276	169	$125.05	$24.29
73110 X-ray of wrist, minimum of 3 views	231	161	$135.00	$30.44
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	178	146	$85.00	$41.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	174	164	$155.00	$98.93
J1040 Injection, methylprednisolone acetate, 80 mg	174	136	$30.00	$10.86
73130 X-ray of hand, minimum of 3 views	109	75	$134.72	$26.65
73140 X-ray of finger, minimum of 2 views	108	73	$100.00	$28.27
20610 Aspiration and/or injection of fluid from large joint	103	84	$304.17	$61.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	90	90	$167.78	$102.20
J1030 Injection, methylprednisolone acetate, 40 mg	80	70	$24.00	$5.51
20550 Injection into tendon or ligament	79	61	$202.78	$50.63
73100 X-ray of wrist, 2 views	79	27	$120.00	$24.56
73080 X-ray of elbow, minimum of 3 views	78	53	$130.00	$26.53
73221 Mri scan of arm joint without contrast	77	37	$966.23	$111.44
29848 Release of wrist ligament using an endoscope	75	59	$2400.00	$442.53
99202 New patient office or other outpatient visit, typically 20 minutes	58	58	$120.00	$70.68
77085 Bone density measurement using dedicated x-ray machine	46	46	$350.00	$52.33
73502 X-ray of hip, 2-3 views	37	23	$140.00	$31.04
20600 Aspiration and/or injection of fluid from small joint	35	27	$196.57	$47.42
20605 Aspiration and/or injection of medium joint or joint capsule	34	28	$190.00	$43.56
99221 Initial hospital inpatient care per day, typically 30 minutes	31	31	$350.00	$100.70
29826 Shaving of part of shoulder bone and repair of ligament using an endoscope	31	31	$1000.00	$180.33
29827 Repair of shoulder rotator cuff using an endoscope	31	31	$4000.00	$1055.84
26055 Incision of tendon covering	25	14	$1700.00	$204.82
99231 Follow-up hospital inpatient care per day, typically 15 minutes	23	15	$200.00	$38.81
29999 Joint procedure using an endoscope	20	18	$2492.50	$586.36
73610 X-ray of ankle, minimum of 3 views	19	12	$130.00	$24.45
73564 X-ray of knee, 4 or more views	18	14	$160.00	$25.76
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$205.00	$139.91
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	17	15	$270.00	$71.07
29075 Application of elbow to finger cast	13	12	$300.00	$79.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$232.08	$159.29

Medical Specialties & State Licenses

Orthopaedic Surgery - Hand Surgery Primary Specialty

NUCC Taxonomy Code: 207XS0106X

State License IL 036104840

An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036104840 (IL)

Hospital & Practice Group Affiliations

Orthopaedic Center Of Southern Illinois, Ltd

4121 Veterans Memorial Dr, Mount Vernon, IL 628646262

Phone: 6182423778

Select Physical Therapy Holdings Inc

1104 W Main St, Benton, IL 628121565

Phone: 6184393399

Orthopaedic Center Of Southern Illinois, Ltd

4121 Veterans Memorial Dr, Mt Vernon, IL 628646262

Select Physical Therapy Holdings Inc

326 E Main St, West Frankfort, IL 628962402

Phone: 6189376200

Practice Associates & Co-Workers

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

26 Associated Practitioners

Dr. Hayden Klockenga , DPT

Physical Therapist

NPI 1073147161

Doctor of Physical Therapy

Melanie Cross , FNP

Nurse Practitioner - Family

NPI 1093197410

Family Nurse Practitioner

Devin Haertling , PA-C

Physician Assistant

NPI 1144526963

Physician Assistant (Certified)

Dr. Stephanie Schaubert , DPT

Physical Therapist

NPI 1144600669

Doctor of Physical Therapy

Amanda Mckee , MSN, FNP

Nurse Practitioner - Family

NPI 1194740571

Master of Science in Nursing, Family Nurse Practitioner

Lucia Templer , PT

Physical Therapist

NPI 1265628481

Physical Therapist

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 09, 2007

Registered at 4121 VETERANS MEMORIAL DR, MOUNT VERNON, IL 628646262 (Tel: 6182423778)

📍

Updated Business Mailing Address July 09, 2007

Registered at 4121 VETERANS MEMORIAL DR, MOUNT VERNON, IL 628646262 (Tel: 6182423778)

👤

Provider Name / Credentials Updated July 09, 2007

Recorded as JOON AHN, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Orthopaedic Surgery (License #036104840 in IL)

🟢

Initial NPI Registration & Enumeration March 08, 2006

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: 1083681027

Entity Type:

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

Enumeration Date: March 08, 2006

Last Update: July 09, 2007

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4121 Veterans Memorial Dr

Mount Vernon, IL 628646262

Phone: 6182423778

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.