Mark Tyo
NPI 1386359420ActiveIndividual· Nurse Practitioner, Family· Hyannis, MA
Nurse Practitioner, Family in Hyannis, Massachusetts, licensed in MA, with an NPI issued in January 2023. Part D covered 2,063 prescriptions written in 2024, 91% of them generic. Tolmar, Inc. was the largest of 18 companies reporting payments in 2025, $1,768 in all, mostly food and beverage.
Overview
| NPI | 1386359420 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jan 23, 2023 |
| Last updated in NPPES | Jan 23, 2023 |
| Certified by provider | Nov 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | RN243734 | 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 - Nurse Practitioner (MA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 2,063 · 3,399 30-day fills |
|---|---|
| Patients | 694 |
| Total drug cost | $170,360 |
| Generic share | 91% of claims |
Industry payments (Open Payments)
- 2025$1,768 · 74 payments from 18 companies
- 2024$1,197 · 54 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Tolmar, Inc. | $231.99 | 12 |
| Sumitomo Pharma America, Inc. | $224.13 | 11 |
| Endo USA, Inc. | $210.56 | 7 |
| Ferring Pharmaceuticals Inc. | $175.26 | 8 |
| Accord Healthcare, Inc. | $167.66 | 7 |
What the 2025 payments were for
- Food and Beverage$1,763 · 73 payments
- Education$4.85 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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