Timothy Lang Tan, M.D.
NPI 1023404910ActiveIndividual· Orthopaedic Surgery· Visalia, CA
Orthopaedic Surgery (M.D.) in Visalia, California, trained at University of California, Geffen School of Medicine (class of 2014). 170 Medicare patients in 2024, $59,594 paid; nearly all of their 636 Part D prescriptions were generic (99%). Stryker Corporation was the largest of 6 companies reporting payments in 2025, $1,627 in all, mostly travel and lodging.
Overview
| NPI | 1023404910 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 8, 2015 |
| Last updated in NPPES | Aug 16, 2021 |
| Certified by provider | Aug 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | A167215 | CA |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | A167215 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 170 |
|---|---|
| Services billed | 330 across 14 procedure codes |
| Paid by Medicare | $59,594 |
Part D prescriptions in 2024
| Prescriptions (claims) | 636 · 743 30-day fills |
|---|---|
| Patients | 179 |
| Total drug cost | $5,521 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Orthopedic Surgery |
Medical group
- Porterville Community Physicians IncPorterville, CA · 7 clinicians
Hospital affiliations
- Kaweah Health Medical CenterVisalia, CA
- Sierra View Medical CenterPorterville, CA
Other facilities
- Compassionate Care Home Health Agency, LLCHome health agency · Fresno, CA
- Seva Home HealthHome health agency · Porterville, CA
Industry payments (Open Payments)
- 2025$1,627 · 16 payments from 6 companies
- 2024$3,161 · 27 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $1,533 | 11 |
| Merck Sharp & Dohme LLC | $25.19 | 1 |
| Ethicon US, LLC | $19.86 | 1 |
| Smith+nephew, Inc. | $17.72 | 1 |
| Nalu Medical, Inc. | $15.85 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,265 · 6 payments
- Food and Beverage$362.44 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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