Charles Austin Monanian
NPI 1801567011ActiveIndividual· Physician Assistant· Smithtown, NY
Physician Assistant with Timothy D. Groth MD PC, practicing in Smithtown, New York. Their prescriptions cost Medicare Part D more than their services did: $213,023 for 1,864 claims, against $19,639 paid for services in 2024. Collegium Pharmaceutical, Inc. was the largest of 12 companies reporting payments in 2025, $1,083 in all, mostly food and beverage.
Overview
| NPI | 1801567011 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Sep 27, 2021 |
| Last updated in NPPES | Mar 15, 2024 |
| Certified by provider | Mar 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 029924 | NY |
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 - Physician Assistant (NY); Practitioner - Physician Assistant (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 303 across 9 procedure codes |
| Paid by Medicare | $19,639 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,864 · 1,882 30-day fills |
|---|---|
| Patients | 375 |
| Total drug cost | $213,023 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Timothy D. Groth MD PCShirley, NY · 43 clinicians
Industry payments (Open Payments)
- 2025$1,083 · 78 payments from 12 companies
- 2024$1,864 · 97 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $511.16 | 54 |
| Abbvie Inc. | $155.65 | 9 |
| Mml US, Inc. | $128.75 | 1 |
| Valinor Pharma, LLC | $86.52 | 4 |
| Pfizer Inc. | $38.55 | 2 |
What the 2025 payments were for
- Food and Beverage$1,083 · 78 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 physician assistants in Smithtown · All physician assistants in New York