RICHARD CHANG (MD) – Orthopaedic Surgery Physician, NPI 1790789618
Orthopaedic Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
131 HAND SURGERY in NJ
Provider Addresses for RICHARD CHANG (MD)
8100 WESCOTT DR
SUITE 101
FLEMINGTON, NJ 088224671
Phone: (908) 782-0600
Fax: (908) 782-7575
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 7 Open Payments records for all available years, with a total value of $254.
Total Amount is formed as General ($254) + Research ($0) + Ownership ($0) = $254.
Last reported payment date: 2024-12-17 • Largest payer in this snapshot: Maxx Health Inc ($179).
Total Amount
$254
General + Research + Ownership
Payments
7
Total payment records
General Amount
$254
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Maxx Health Inc | $179 |
| AstraZeneca Pharmaceuticals LP | $29 |
| SANOFI PASTEUR INC. | $16 |
| ZIMVIE INC. | $15 |
| Bioventus LLC | $15 |
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: 2011-06-16
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 |
|---|---|---|---|---|
| I20110616000146 | I | Hand Surgery | NJ | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 314 | 205 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 141 | 141 | $0 |
| 73130 | X-ray of hand, minimum of 3 views | 134 | 96 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 125 | 89 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 116 | 85 | $0 |
Insurance plans in this area (ZIP 08822)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| HAND SURGERY | NJ | 20610 | Aspiration and/or injection of large joint or joint capsule | 182 | 119 |
| HAND SURGERY | NJ | 73110 | X-ray of wrist, minimum of 3 views | 47 | 28 |
| HAND SURGERY | NJ | 73140 | X-ray of fingers, minimum of 2 views | 32 | 23 |
| HAND SURGERY | NJ | 73562 | X-ray of knee, 3 views | 44 | 35 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | NJ | |
| P O D I A T R Y | NJ | |
| Physician Assistant | PA | |
| Physical Medicine And Rehabilitation | PA | |
| Orthopedic Surgery | NJ | |
| Orthopedic Surgery | NJ | |
| Orthopedic Surgery | NJ | |
| Orthopedic Surgery | NJ | |
| Hand Surgery, Orthopedic Surgery | NY | |
| Hand Surgery, Orthopedic Surgery | NJ |
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