Karla J. Holtzman, PA
NPI 1851544936ActiveIndividual· Physician Assistant, Medical· Naperville, IL
Physician Assistant, Medical (PA) in Naperville, Illinois, licensed in IL, with an NPI issued in November 2008. Part D covered 1,163 prescriptions written in 2024, 90% of them generic. Axsome Therapeutics, Inc. was the largest of 20 companies reporting payments in 2025, $1,209 in all, mostly food and beverage.
Overview
| NPI | 1851544936 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Nov 3, 2008 |
| Last updated in NPPES | May 13, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 085.001217 | IL |
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 - Physician Assistant (IL) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,163 · 2,504 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $80,376 |
| Generic share | 90% of claims |
Industry payments (Open Payments)
- 2025$1,209 · 51 payments from 20 companies
- 2024$1,100 · 57 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Axsome Therapeutics, Inc. | $186.74 | 3 |
| Novo Nordisk Inc | $181.04 | 8 |
| Pfizer Inc. | $176.84 | 10 |
| Abbvie Inc. | $168.12 | 7 |
| Dexcom, Inc. | $59.96 | 2 |
What the 2025 payments were for
- Food and Beverage$1,209 · 51 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Physician Assistant, Medical providers in Naperville
- 1346682622
- 1003211160
- 1255311502
- 1992732184
- 1467780189
- 1447030945
- 1881929313
- 1386768992
- 1609848282
- 1942788922