Katie S. Walton, PA-C
NPI 1932235124ActiveIndividual· Physician Assistant, Surgical· Baltimore, MD
Physician Assistant, Surgical (PA-C) with Mep Observation Services LLC, practicing in Baltimore, Maryland. Mostly services rather than prescriptions: Medicare paid $9,470 for 97 patients in 2024, with only 31 Part D claims. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $20.03 in payments in 2025, mostly food and beverage. Lists Northwest Hospital Center as a hospital affiliation.
Overview
| NPI | 1932235124 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 24, 2007 |
| Last updated in NPPES | Dec 29, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | C0003355 | MD |
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 - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 97 |
|---|---|
| Services billed | 102 across 7 procedure codes |
| Paid by Medicare | $9,470 |
Part D prescriptions in 2024
| Prescriptions (claims) | 31 · 31 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $213.83 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Mep Observation Services LLCRockville, MD · 44 clinicians
Hospital affiliation
- Northwest Hospital CenterRandallstown, MD
Industry payments (Open Payments)
- 2025$20.03 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $20.03 | 1 |
What the 2025 payments were for
- Food and Beverage$20.03 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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