Katherine J. Drilling, PA-C
NPI 1083349997ActiveIndividual· Physician Assistant· Carlsbad, CA
Physician Assistant (PA-C) with Monica Perlman MD Inc, practicing in Carlsbad, California. Their prescriptions cost Medicare Part D more than their services did: $88,899 for 1,381 claims, against $15,346 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 11 companies reporting payments in 2025, $526.47 in all, mostly food and beverage.
Overview
| NPI | 1083349997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 24, 2022 |
| Last updated in NPPES | Oct 25, 2023 |
| Certified by provider | Oct 25, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 103 |
|---|---|
| Services billed | 247 across 32 procedure codes |
| Paid by Medicare | $15,346 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,381 · 3,060 30-day fills |
|---|---|
| Patients | 339 |
| Total drug cost | $88,899 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Monica Perlman MD IncSan Diego, CA · 364 clinicians
Industry payments (Open Payments)
- 2025$526.47 · 21 payments from 11 companies
- 2024$330.68 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $180.80 | 5 |
| Glaxosmithkline, LLC. | $79.28 | 3 |
| Pfizer Inc. | $70.12 | 3 |
| Hologic Sales and Service, LLC | $46.19 | 2 |
| Abbvie Inc. | $35.45 | 2 |
What the 2025 payments were for
- Food and Beverage$526.47 · 21 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant providers in Carlsbad
- 1275158305
- 1740655653
- 1982961702
- 1235838665
- 1619349826
- 1265162721
- 1609029867
- 1710118617
- 1972957629
- 1508548314
- 1861126286
- 1801416839