JONATHAN CHANG (M.D) – Orthopaedic Surgery Physician, NPI 1104824556
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,024 ORTHOPEDIC SURGERY in CA
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Provider Addresses for JONATHAN CHANG (M.D)
707, Garfield Avenue, Alhambra, Los Angeles County, California, 91801, United States
ALHAMBRA, CA 918014438
Phone: (626) 458-6653
Fax: (626) 289-5700
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 18 Open Payments records for all available years, with a total value of $940.
Total Amount is formed as General ($940) + Research ($0) + Ownership ($0) = $940.
Last reported payment date: 2024-10-31 • Largest payer in this snapshot: Amgen Inc. ($482).
Total Amount
$940
General + Research + Ownership
Payments
18
Total payment records
General Amount
$940
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-31
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $482 |
| Stryker Corporation | $206 |
| Zimmer Biomet Holdings, Inc. | $177 |
| GlaxoSmithKline, LLC. | $43 |
| Saxum Surgical, Inc. | $33 |
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: 2006-11-08
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 |
|---|---|---|---|---|
| I20061108000670 | I | Orthopedic Surgery | CA | 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 |
|---|---|---|---|---|
| 97110 | Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 614 | 116 | $0 |
| G0283 | Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of care | 596 | 121 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 478 | 247 | $0 |
| 97140 | Therapy procedure using manual technique, each 15 minutes | 469 | 92 | $0 |
| 97112 | Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 288 | 63 | $0 |
Insurance plans in this area (ZIP 91801)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| Orthopedic Surgery | NY | |
| - | CA | |
| Orthopedic Surgery | CA | |
| Orthopedic Surgery, Hand Surgery | CA | |
| - | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA |
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