JUNYOUNG AHN (MD) – Orthopaedic Surgery Physician, NPI 1184076010
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,265 ORTHOPEDIC SURGERY in IL
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Provider Addresses for JUNYOUNG AHN (MD)
814-816, West Roscoe Street, Boystown, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60618, United States
#1SE
CHICAGO, IL 606572342
Phone: (940) 300-4683
Type: Mailing
Au Bon Pain, 1650, West Harrison Street, Near West Side, Illinois Medical District, Chicago, Illinois Medical District, Illinois, 60612, United States
SUITE 466
CHICAGO, IL 606123800
Phone: (312) 942-5495
Type: Location
3537 S I 35 E STE 308
DENTON, TX 762106870
Phone: (940) 382-2204
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 44 Open Payments records for all available years, with a total value of $6,117.
Total Amount is formed as General ($6,117) + Research ($0) + Ownership ($0) = $6,117.
Last reported payment date: 2024-12-19 • Largest payer in this snapshot: Alphatec Spine, Inc ($2,153).
Total Amount
$6,117
General + Research + Ownership
Payments
44
Total payment records
General Amount
$6,117
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Alphatec Spine, Inc | $2,153 |
| Globus Medical, Inc. | $1,632 |
| NuVasive, Inc. | $1,323 |
| W. L. Gore & Associates, Inc. | $187 |
| SPINAL ELEMENTS, INC. | $155 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-08-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20220810002673 | I | Orthopedic Surgery | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 104 | 104 | $0 |
| 72110 | X-ray of lower and sacral spine, minimum of 4 views | 79 | 77 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 54 | 46 | $0 |
| 72050 | X-ray of upper spine, 4-5 views | 37 | 31 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 33 | 30 | $0 |
Insurance plans in this area (ZIP 60657)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | TX | |
| Physician Assistant | TX | |
| Orthopedic Surgery | TX | |
| - | TN | |
| Physician Assistant | TX | |
| Physical Medicine And Rehabilitation | TX | |
| Physical Medicine And Rehabilitation | TX | |
| - | TX | |
| Physician Assistant | TX | |
| Orthopedic Surgery | TX |
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