Anna Marie Coulstring, ACNP-BC, PMHNP-BC,RN
NPI 1336457191ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Weymouth, MA
Nurse Practitioner, Psych/Mental Health (ACNP-BC, PMHNP-BC,RN) with Square Medical Group LLC, practicing in Weymouth, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $132,001 for 793 claims, against $20,414 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 13 companies reporting payments in 2025, $1,317 in all, mostly food and beverage.
Overview
| NPI | 1336457191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ACNP-BC, PMHNP-BC,RN |
| Sole proprietor | No |
| NPI issued | Sep 15, 2010 |
| Last updated in NPPES | Oct 4, 2022 |
| Certified by provider | Oct 4, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | 2259098 | MA |
| Nurse Practitioner, Acute Care | 363LA2100X | 2259098 | 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 | 18 |
|---|---|
| Services billed | 313 across 4 procedure codes |
| Paid by Medicare | $20,414 |
Part D prescriptions in 2024
| Prescriptions (claims) | 793 · 829 30-day fills |
|---|---|
| Patients | 43 |
| Total drug cost | $132,001 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Square Medical Group LLCWeymouth, MA · 16 clinicians
Industry payments (Open Payments)
- 2025$1,317 · 54 payments from 13 companies
- 2024$1,822 · 86 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $486.67 | 19 |
| Indivior Inc. | $143.75 | 5 |
| Otsuka America Pharmaceutical, Inc. | $129.06 | 5 |
| Braeburn Inc. | $114.78 | 6 |
| Abbvie Inc. | $105.01 | 4 |
What the 2025 payments were for
- Food and Beverage$1,317 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 psychiatric nurse practitioners in Weymouth · All psychiatric nurse practitioners in Massachusetts