MARC ARNOLD SAMSON (M.D.) – Sports Medicine (Orthopaedic Surgery) Physician, NPI 1215039284
Sports Medicine (Orthopaedic Surgery) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,040 ORTHOPEDIC SURGERY in CA
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Provider Addresses for MARC ARNOLD SAMSON (M.D.)
Wilshire Boulevard, Financial District, Downtown, Los Angeles, Los Angeles County, California, 90017, United States
LOS ANGELES, CA 90017
Phone: (213) 482-2992
Fax: (213) 482-2999
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 27 Open Payments records for all available years, with a total value of $832.
Total Amount is formed as General ($832) + Research ($0) + Ownership ($0) = $832.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Fidia Pharma USA Inc. ($179).
Total Amount
$832
General + Research + Ownership
Payments
27
Total payment records
General Amount
$832
General payments
Research Amount
$0
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 |
|---|---|
| Fidia Pharma USA Inc. | $179 |
| Amgen Inc. | $139 |
| Dynasplint Systems Inc. | $63 |
| Heraeus Medical, LLC. | $56 |
| Baxter Healthcare | $55 |
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: 2012-04-19
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20120419000065 | 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 |
|---|---|---|---|---|
| J7332 | Hyaluronan or derivative, triluron, for intra-articular injection, 1 mg | 2,940 | 28 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 267 | 120 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 194 | 102 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 179 | 111 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 160 | 81 | $0 |
Insurance plans in this area (ZIP 90017)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Plastic And Reconstructive Surgery | CA | |
| Orthopedic Surgery | CA | |
| Orthopedic Surgery | CA |
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