Tammy Hirschkorn, PMHNP-BC
NPI 1477133783ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Chattanooga, TN
Nurse Practitioner, Psych/Mental Health (PMHNP-BC) with Helen Ross McNabb Center, practicing in Chattanooga, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $1,420,786 for 7,985 claims, against $13,630 paid for services in 2024. Teva Pharmaceuticals USA, Inc. was the largest of 8 companies reporting payments in 2025, $500.91 in all, mostly food and beverage.
Overview
| NPI | 1477133783 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Apr 11, 2021 |
| Last updated in NPPES | Mar 1, 2024 |
| Certified by provider | Mar 1, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 20211002783 | TN |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 72 |
|---|---|
| Services billed | 292 across 3 procedure codes |
| Paid by Medicare | $13,630 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,985 · 9,282 30-day fills |
|---|---|
| Patients | 337 |
| Total drug cost | $1,420,786 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Helen Ross McNabb CenterMaryville, TN · 39 clinicians
Industry payments (Open Payments)
- 2025$500.91 · 34 payments from 8 companies
- 2024$546.18 · 38 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teva Pharmaceuticals USA, Inc. | $151.86 | 5 |
| Alkermes, Inc. | $136.23 | 16 |
| Lundbeck LLC | $92.80 | 6 |
| Otsuka America Pharmaceutical, Inc. | $52.98 | 3 |
| E.R. Squibb & Sons, L.L.C. | $22.55 | 1 |
What the 2025 payments were for
- Food and Beverage$389.42 · 33 payments
- Education$111.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatric nurse practitioners in Chattanooga
- 1184164865
- 1205524857
- 1316662851
- 1356001697
- 1386226736
- 1407623440
- 1487354288
- 1609295906
- 1760051239
- 1760632434
- 1760815484
- 1790479301
All 99 psychiatric nurse practitioners in Chattanooga · All psychiatric nurse practitioners in Tennessee