Sergio Mejia, M.D.
NPI 1932127214ActiveIndividual· Psychiatry & Neurology, Psychiatry· Hartford, CT
Psychiatry & Neurology, Psychiatry (M.D.) with Middlesex Hospital, practicing in Hartford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $645,118 for 2,149 claims, against $11,267 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 6 companies reporting payments in 2025, $982.94 in all, mostly food and beverage. Lists Middlesex Hospital as a hospital affiliation.
Overview
| NPI | 1932127214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 17, 2006 |
| Last updated in NPPES | Feb 26, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 024051 | 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 - Psychiatry (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 187 across 4 procedure codes |
| Paid by Medicare | $11,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,149 · 3,634 30-day fills |
|---|---|
| Patients | 152 |
| Total drug cost | $645,118 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1970 |
|---|---|
| Medicare specialty | Psychiatry |
Medical group
- Middlesex HospitalMiddletown, CT · 234 clinicians
Hospital affiliation
- Middlesex HospitalMiddletown, CT
Industry payments (Open Payments)
- 2025$982.94 · 8 payments from 6 companies
- 2024$369.13 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $249.02 | 2 |
| Otsuka America Pharmaceutical, Inc. | $247.13 | 2 |
| Neurocrine Biosciences, Inc. | $127.83 | 1 |
| E.R. Squibb & Sons, L.L.C. | $124.98 | 1 |
| Alkermes, Inc. | $122.06 | 1 |
What the 2025 payments were for
- Food and Beverage$982.94 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 137 psychiatrists in Hartford · All psychiatrists in Connecticut