Dorothy F. Semonian, NP
NPI 1568497105ActiveIndividual· Nurse Practitioner, Family· Chelmsford, MA
Nurse Practitioner, Family (NP) with Stony Brook Primary Care LLC, practicing in Chelmsford, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $275,227 for 4,572 claims, against $25,916 paid for services in 2024. Phathom Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2024, $195.44 in all, mostly food and beverage. Lists Lowell General Hospital as a hospital affiliation.
Overview
| NPI | 1568497105 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 12, 2006 |
| Last updated in NPPES | Nov 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 192921 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 365 across 19 procedure codes |
| Paid by Medicare | $25,916 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,572 · 10,440 30-day fills |
|---|---|
| Patients | 582 |
| Total drug cost | $275,227 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Stony Brook Primary Care LLCNorth Chelmsford, MA · 2 clinicians
Hospital affiliation
- Lowell General HospitalLowell, MA
Industry payments (Open Payments)
- 2024$195.44 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Phathom Pharmaceuticals, Inc. | $124.99 | 1 |
| Astrazeneca Pharmaceuticals LP | $70.45 | 1 |
What the 2024 payments were for
- Food and Beverage$195.44 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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