Peter Benjamin Landstrom, APRN,BC
Clinical Nurse Specialist, Psych/Mental Health, Adult (APRN,BC) in Westfield, Massachusetts, trained at University of Arizona College of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,065,483 for 7,690 claims, against $43,289 paid for services in 2024. Vanda Pharmaceuticals Inc. was the largest of 9 companies reporting payments in 2025, $697.73 in all, mostly food and beverage.
Overview
| NPI | 1427138254 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN,BC |
| Sole proprietor | No |
| NPI issued | Oct 16, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Clinical Nurse Specialist, Psych/Mental Health, Adult Primary | 364SP0809X | 242991 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Clinical Nurse Specialist (Cns) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 630 across 8 procedure codes |
| Paid by Medicare | $43,289 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,690 · 8,910 30-day fills |
|---|---|
| Patients | 512 |
| Total drug cost | $1,065,483 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Arizona College of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
| Telehealth | Offers telehealth |
Medical group
- Servicenet IncAmherst, MA · 51 clinicians
Hospital affiliation
- Cooley Dickinson Hospital Inc,theNorthampton, MA
Industry payments (Open Payments)
- 2025$697.73 · 42 payments from 9 companies
- 2024$250.96 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $191.75 | 18 |
| Otsuka America Pharmaceutical, Inc. | $180.65 | 12 |
| E.R. Squibb & Sons, L.L.C. | $116.12 | 4 |
| Teva Pharmaceuticals USA, Inc. | $55.47 | 2 |
| Alkermes, Inc. | $44.74 | 2 |
What the 2025 payments were for
- Food and Beverage$524.90 · 25 payments
- Education$172.83 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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