Phoebe Antoinette Underwood-Davis, PMHNP
NPI 1457844722ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Westminster, MD
Nurse Practitioner, Psych/Mental Health (PMHNP) with Carroll County Youth Service Bureau, Inc., practicing in Westminster, Maryland. Their prescriptions cost Medicare Part D more than their services did: $84,590 for 997 claims, against $8,324 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 4 companies reporting payments in 2025, $275.82 in all, mostly food and beverage.
Overview
| NPI | 1457844722 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Jun 12, 2018 |
| Last updated in NPPES | Oct 20, 2023 |
| Certified by provider | Oct 20, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | R160760 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 26 |
|---|---|
| Services billed | 115 across 6 procedure codes |
| Paid by Medicare | $8,324 |
Part D prescriptions in 2024
| Prescriptions (claims) | 997 · 1,053 30-day fills |
|---|---|
| Patients | 30 |
| Total drug cost | $84,590 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Carroll County Youth Service Bureau, Inc.Westminster, MD · 12 clinicians
Industry payments (Open Payments)
- 2025$275.82 · 4 payments from 4 companies
- 2024$345.70 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $128.57 | 1 |
| Vanda Pharmaceuticals Inc. | $108.12 | 1 |
| Otsuka America Pharmaceutical, Inc. | $24.09 | 1 |
| E.R. Squibb & Sons, L.L.C. | $15.04 | 1 |
What the 2025 payments were for
- Food and Beverage$275.82 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatric nurse practitioners in Westminster
- 1174540918
- 1467122358
- 1659597185
- 1831732163
- 1114618766
- 1477105161
- 1740893650
- 1790561082
- 1831698554
- 1871272393
- 1982399903
- 1538477369
All 39 psychiatric nurse practitioners in Westminster · All psychiatric nurse practitioners in Maryland