Mary Philomena Kastner, PMHNP
NPI 1073664231ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Walnut Creek, CA
Nurse Practitioner, Psych/Mental Health (PMHNP) with Bright Heart Health Medical Group A Medical Corporation, practicing in Walnut Creek, California. Their prescriptions cost Medicare Part D more than their services did: $70,086 for 858 claims, against $30,478 paid for services in 2024. Alkermes, Inc. reported $116.78 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1073664231 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Jan 15, 2007 |
| Last updated in NPPES | Nov 15, 2022 |
| Certified by provider | Nov 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | NP17412 | CA |
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 - Certified Clinical Nurse Specialist (Cns) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 594 across 9 procedure codes |
| Paid by Medicare | $30,478 |
Part D prescriptions in 2024
| Prescriptions (claims) | 858 · 1,133 30-day fills |
|---|---|
| Patients | 59 |
| Total drug cost | $70,086 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
| Telehealth | Offers telehealth |
Medical group
- Bright Heart Health Medical Group A Medical CorporationWalnut Creek, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$116.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alkermes, Inc. | $116.78 | 1 |
What the 2025 payments were for
- Food and Beverage$116.78 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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