MARK L SCHAMBLIN (M.D.) – Sports Medicine (Orthopaedic Surgery) Physician, NPI 1083645360
Sports Medicine (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 MARK L SCHAMBLIN (M.D.)
6815, Noble Avenue, Van Nuys, Los Angeles, Los Angeles County, California, 91405, United States
VAN NUYS, CA 914053796
Phone: (818) 901-6600
Fax: (818) 997-7826
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 9 Open Payments records for all available years, with a total value of $654.
Total Amount is formed as General ($654) + Research ($0) + Ownership ($0) = $654.
Last reported payment date: 2024-11-11 • Largest payer in this snapshot: Arthrex, Inc. ($402).
Total Amount
$654
General + Research + Ownership
Payments
9
Total payment records
General Amount
$654
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Arthrex, Inc. | $402 |
| Abbott Laboratories | $117 |
| Shoulder Innovations, Inc. | $84 |
| Stryker Corporation | $28 |
| Nalu Medical, Inc. | $24 |
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: 2005-05-11
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 |
|---|---|---|---|---|
| I20050511000449 | 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 |
|---|---|---|---|---|
| J3301 | Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 558 | 64 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 216 | 146 | $0 |
| 73030 | X-ray of shoulder, minimum of 2 views | 162 | 135 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 79 | 79 | $0 |
| 20611 | Aspiration and/or injection of fluid large joint using ultrasound guidance | 73 | 65 | $0 |
Insurance plans in this area (ZIP 91405)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Orthopedic Surgery | NJ | |
| Orthopedic Surgery | CA | |
| Pain Management, Anesthesiology | CA | |
| - | CA | |
| Physical Therapist In Private Practice | CA | |
| Physician Assistant | CA | |
| Hand Surgery | CA | |
| Nurse Practitioner | CA | |
| Orthopedic Surgery | CA | |
| - | CA |
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