JAMES BENJAMIN CHEN (M.D.) – Adult Reconstructive Orthopaedic Surgery Physician, NPI 1104210152
Adult Reconstructive Orthopaedic Surgery Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,024 ORTHOPEDIC SURGERY in CA
Provider Addresses for JAMES BENJAMIN CHEN (M.D.)
26401 CROWN VALLEY PKWY STE 101
MISSION VIEJO, CA 926916302
Phone: (949) 348-4000
Fax: (949) 348-7466
Type: Mailing
519 S BARRINGTON AVE APT 17
APT 17
LOS ANGELES, CA 900494366
Phone: (949) 230-5490
Type: Mailing
757 WESTWOOD PLZ
LOS ANGELES, CA 900958358
Phone: (310) 825-9111
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 384 Open Payments records for all available years, with a total value of $316,364.
Total Amount is formed as General ($311,364) + Research ($5,000) + Ownership ($0) = $316,364.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Zimmer Biomet Holdings, Inc. ($217,883).
Total Amount
$316,364
General + Research + Ownership
Payments
384
Total payment records
General Amount
$311,364
General payments
Research Amount
$5,000
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Zimmer Biomet Holdings, Inc. | $217,883 |
| ORTHALIGN INC | $92,599 |
| Canary Medical USA LLC | $5,000 |
| Stryker Corporation | $570 |
| Gilead Sciences, Inc. | $125 |
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: 2021-03-15
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 |
|---|---|---|---|---|
| I20210315002225 | 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 |
|---|---|---|---|---|
| J7329 | Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | 2,950 | 25 | $0 |
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 610 | 92 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 333 | 226 | $0 |
| 73564 | X-ray of knee, 4 or more views | 292 | 214 | $0 |
| 73562 | X-ray of knee, 3 views | 191 | 124 | $0 |
Insurance plans in this area (ZIP 92691)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Sports Medicine, Orthopedic Surgery | CA | |
| - | CA | |
| Physician Assistant | CA | |
| Hand Surgery, Orthopedic Surgery | CA | |
| Orthopedic Surgery, Hand Surgery | CA | |
| Physician Assistant | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Sports Medicine, Orthopedic Surgery | CA | |
| Physician Assistant | CA |
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