Karen E. Barb, CRNP
NPI 1659363521ActiveIndividual· Nurse Practitioner, Pediatrics· Hagerstown, MD
Nurse Practitioner, Pediatrics (CRNP) in Hagerstown, Maryland, licensed in MD, with an NPI issued in August 2005. Enrolled in Medicare as practitioner - nurse practitioner. Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $235.03 in all, mostly food and beverage.
Overview
| NPI | 1659363521 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNP |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Feb 15, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Pediatrics Primary | 363LP0200X | R072268 | 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 - Nurse Practitioner (MD) |
|---|
Industry payments (Open Payments)
- 2025$235.03 · 12 payments from 5 companies
- 2024$125.96 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $72.35 | 3 |
| Pfizer Inc. | $63.32 | 3 |
| Cranial Technologies, Inc | $44.85 | 3 |
| Collegium Pharmaceutical, Inc. | $39.85 | 2 |
| Kowa Pharmaceuticals America, Inc. | $14.66 | 1 |
What the 2025 payments were for
- Food and Beverage$235.03 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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