DR. WILLIAM T LONG (M.D.) – Adult Reconstructive Orthopaedic Surgery Physician, NPI 1023067055
Adult Reconstructive 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 DR. WILLIAM T LONG (M.D.)
100, North Vermont Avenue, Koreatown, Los Angeles, Los Angeles County, California, 90004, United States
LOS ANGELES, CA 900276061
Phone: (323) 913-4300
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 28 Open Payments records for all available years, with a total value of $640,392.
Total Amount is formed as General ($640,392) + Research ($0) + Ownership ($0) = $640,392.
Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Zimmer Biomet Holdings, Inc. ($636,388).
Total Amount
$640,392
General + Research + Ownership
Payments
28
Total payment records
General Amount
$640,392
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Zimmer Biomet Holdings, Inc. | $636,388 |
| Total Joint Orthopedics, Inc. | $2,313 |
| Smith+Nephew, Inc. | $1,302 |
| Stryker Corporation | $390 |
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: 2004-03-22
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 |
|---|---|---|---|---|
| I20040322001483 | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 181 | 138 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 85 | 85 | $0 |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | 32 | 32 | $0 |
| 27447 | Replacement of knee joint, both sides of knee | 29 | 26 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 21 | 20 | $0 |
Insurance plans in this area (ZIP 90027)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | CA | |
| Physician Assistant | CA | |
| Orthopedic Surgery | CA |
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