Duncan Langguth, DNP, PMHNP
NPI 1972201101ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Reno, NV
Nurse Practitioner, Psych/Mental Health (DNP, PMHNP) with Cth Physicians Clinic and 1 other group, practicing in Reno, Nevada. Their prescriptions cost Medicare Part D more than their services did: $216,191 for 1,425 claims, against $22,244 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 7 companies reporting payments in 2025, $432.50 in all, mostly food and beverage. Lists Carson Tahoe Regional Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972201101 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, PMHNP |
| Sole proprietor | No |
| NPI issued | Feb 17, 2023 |
| Last updated in NPPES | Feb 17, 2023 |
| Certified by provider | Feb 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 864395 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 131 |
|---|---|
| Services billed | 434 across 15 procedure codes |
| Paid by Medicare | $22,244 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,425 · 1,805 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $216,191 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Cth Physicians ClinicReno, NV · 108 clinicians
- Carson Tahoe Physician ClinicsReno, NV · 101 clinicians
Hospital affiliations
- Carson Tahoe Regional Medical CenterCarson City, NV
- Renown Regional Medical CenterReno, NV
Industry payments (Open Payments)
- 2025$432.50 · 18 payments from 7 companies
- 2024$707.52 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $248.71 | 9 |
| E.R. Squibb & Sons, L.L.C. | $54.69 | 3 |
| Abbvie Inc. | $39.21 | 2 |
| Alkermes, Inc. | $29.83 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $26.18 | 1 |
What the 2025 payments were for
- Food and Beverage$432.50 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other psychiatric nurse practitioners in Reno
- 1154914729
- 1215264528
- 1366035750
- 1407215809
- 1497144620
- 1659815603
- 1770296345
- 1942861950
- 1962093492
- 1972216273
- 1023401999
- 1538548516
All 83 psychiatric nurse practitioners in Reno · All psychiatric nurse practitioners in Nevada