Laura A. Timmerman, M.D.
NPI 1225052681ActiveIndividual· Orthopaedic Surgery, Sports Medicine· Walnut Creek, CA
Orthopaedic Surgery, Sports Medicine (M.D.) in Walnut Creek, California, trained at University of California, Davis School of Medicine (class of 1986). 300 Medicare patients in 2024, $186,802 paid; all of their 92 Part D prescriptions were generic. Phathom Pharmaceuticals, Inc. reported $45.14 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1225052681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 27, 2006 |
| Last updated in NPPES | May 26, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery, Sports Medicine Primary | 207XX0005X | G060834 | 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 | 300 |
|---|---|
| Services billed | 8,905 across 30 procedure codes |
| Paid by Medicare | $186,802 |
Part D prescriptions in 2024
| Prescriptions (claims) | 92 · 92 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $570.14 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Orthopedic Surgery |
Industry payments (Open Payments)
- 2025$45.14 · 3 payments from 1 company
- 2024$30.94 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $45.14 | 3 |
What the 2025 payments were for
- Food and Beverage$45.14 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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