Katrina Dionne Baker, MD
NPI 1538154836ActiveIndividual· Obstetrics & Gynecology· Lancaster, CA
Obstetrics & Gynecology (MD) in Lancaster, California, trained at Howard University College of Medicine (class of 2000). In 2024 Medicare paid $20,851 for 122 patients, and Part D covered 204 of their prescriptions, 85% of them generic. Sumitomo Pharma America, Inc. was the largest of 6 companies reporting payments in 2025, $264.51 in all, mostly food and beverage.
Overview
| NPI | 1538154836 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Sep 13, 2005 |
| Last updated in NPPES | Dec 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | A86765 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 122 |
|---|---|
| Services billed | 261 across 13 procedure codes |
| Paid by Medicare | $20,851 |
Part D prescriptions in 2024
| Prescriptions (claims) | 204 · 450 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $18,515 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Obhg California PCPalmdale, CA · 94 clinicians
Hospital affiliations
- Antelope Valley HospitalLancaster, CA
- Henry Mayo Newhall HospitalValencia, CA
- Palmdale Regional Medical CenterPalmdale, CA
- Ridgecrest Regional HospitalRidgecrest, CA
Industry payments (Open Payments)
- 2025$264.51 · 9 payments from 6 companies
- 2024$189.27 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sumitomo Pharma America, Inc. | $77.87 | 3 |
| Sage Therapeutics, LLC | $58.76 | 2 |
| Minerva Surgical, Inc | $34.86 | 1 |
| Abbvie Inc. | $33.79 | 1 |
| Exact Sciences Corporation | $31.12 | 1 |
What the 2025 payments were for
- Food and Beverage$264.51 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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