Janette G. Walker, MD
NPI 1831199280ActiveIndividual· Obstetrics & Gynecology· Walnut Creek, CA
Obstetrics & Gynecology (MD) in Walnut Creek, California, trained at University of California, Davis School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $35,828 for 332 claims, against $17,303 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 2 companies reporting payments in 2025, $142.43 in all, mostly food and beverage.
Overview
| NPI | 1831199280 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 28, 2005 |
| Last updated in NPPES | Feb 10, 2025 |
| Certified by provider | Feb 10, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | G84552 | 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 - Obstetrics/Gynecology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 148 |
|---|---|
| Services billed | 269 across 15 procedure codes |
| Paid by Medicare | $17,303 |
Part D prescriptions in 2024
| Prescriptions (claims) | 332 · 694 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $35,828 |
| Generic share | 76% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Epic CareWalnut Creek, CA · 55 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- San Ramon Regional Medical CenterSan Ramon, CA
Industry payments (Open Payments)
- 2025$142.43 · 23 payments from 2 companies
- 2024$113.22 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $120.70 | 22 |
| Astellas Pharma US Inc | $21.73 | 1 |
What the 2025 payments were for
- Food and Beverage$142.43 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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