Maria L. Moro-De-Casillas, MD
NPI 1255358230ActiveIndividual· Psychiatry & Neurology, Neurology· Mystic, CT
Psychiatry & Neurology, Neurology (MD) with Hartford Healthcare Medical Group Specialists PLLC and 1 other group, practicing in Mystic, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $195,406 for 360 claims, against $22,840 paid for services in 2024. Mdd US Operations, LLC was the largest of 4 companies reporting payments in 2025, $371.41 in all, mostly food and beverage. Lists Hartford Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1255358230 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 16, 2006 |
| Last updated in NPPES | Jul 19, 2022 |
| Certified by provider | Jul 19, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | MD11991 | RI |
| Psychiatry & Neurology, Neurology | 2084N0400X | 44391 | CT |
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 - Neurology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 115 |
|---|---|
| Services billed | 609 across 15 procedure codes |
| Paid by Medicare | $22,840 |
Part D prescriptions in 2024
| Prescriptions (claims) | 360 · 734 30-day fills |
|---|---|
| Patients | 96 |
| Total drug cost | $195,406 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical groups
- Hartford Healthcare Medical Group Specialists PLLCBridgeport, CT · 1,588 clinicians
- Hartford HospitalHartford, CT · 1,044 clinicians
Hospital affiliations
- Hartford HospitalHartford, CT
- Lawrence & Memorial HospitalNew London, CT
- Westerly HospitalWesterly, RI
- William W Backus HospitalNorwich, CT
Industry payments (Open Payments)
- 2025$371.41 · 13 payments from 4 companies
- 2024$339.33 · 10 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mdd US Operations, LLC | $167.09 | 7 |
| Abbvie Inc. | $149.76 | 3 |
| Supernus Pharmaceuticals, Inc. | $37.63 | 2 |
| Kyowa Kirin, Inc. | $16.93 | 1 |
What the 2025 payments were for
- Food and Beverage$371.41 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other neurologists in Mystic
- 1407199748
- 1922216191