Katherine Mercelia Mackenzie, MD
NPI 1194963959ActiveIndividual· Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology· Palo Alto, CA
Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology (MD) in Palo Alto, California, licensed in CA, with an NPI issued in January 2009. Enrolled in Medicare as practitioner - neurology. Abbott Laboratories was the largest of 2 companies reporting payments in 2025, $239.29 in all, mostly food and beverage.
Overview
| NPI | 1194963959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 30, 2009 |
| Last updated in NPPES | Nov 10, 2023 |
| Certified by provider | Nov 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology Primary | 2084N0402X | A104126 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (CA) |
|---|
Industry payments (Open Payments)
- 2025$239.29 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $127.39 | 1 |
| Biogen, Inc. | $111.90 | 1 |
What the 2025 payments were for
- Food and Beverage$239.29 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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