Maureen E. Callnan, PMHNP
NPI 1740332949ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Portland, ME
Nurse Practitioner, Psych/Mental Health (PMHNP) in Portland, Maine, licensed in ME, with an NPI issued in January 2007. Their prescriptions cost Medicare Part D more than their services did: $114,354 for 709 claims, against $19,530 paid for services in 2024.
Overview
| NPI | 1740332949 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | Yes |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | CNP111003 | ME |
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) (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 314 across 6 procedure codes |
| Paid by Medicare | $19,530 |
Part D prescriptions in 2024
| Prescriptions (claims) | 709 · 1,402 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $114,354 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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