Alan P. Siegal, MD
NPI 1952319139ActiveIndividual· Psychiatry & Neurology, Psychiatry· Hamden, CT
Psychiatry & Neurology, Psychiatry (MD) in Hamden, Connecticut, trained at University of Louisville School of Medicine (class of 1979). 346 Medicare patients in 2024, $185,656 paid; nearly all of their 3,060 Part D prescriptions were generic (96%). Lundbeck LLC was the largest of 8 companies reporting payments in 2025, $705.04 in all, mostly food and beverage.
Overview
| NPI | 1952319139 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jul 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 022695 | CT |
| Psychiatry & Neurology, Geriatric Psychiatry | 2084P0805X | 022695 | 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 - Geriatric Psychiatry (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 346 |
|---|---|
| Services billed | 2,716 across 18 procedure codes |
| Paid by Medicare | $185,656 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,060 · 5,992 30-day fills |
|---|---|
| Patients | 449 |
| Total drug cost | $238,737 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Geriatric Psychiatry |
| Secondary specialties | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Geriatric and Adult Psychiatry, LLCHamden, CT · 2 clinicians
Industry payments (Open Payments)
- 2025$705.04 · 32 payments from 8 companies
- 2024$1,175 · 46 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lundbeck LLC | $249.77 | 13 |
| Neurocrine Biosciences, Inc. | $125.53 | 4 |
| Teva Pharmaceuticals USA, Inc. | $98.72 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $80.80 | 4 |
| Abbvie Inc. | $54.69 | 2 |
What the 2025 payments were for
- Food and Beverage$705.04 · 32 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 21 psychiatrists in Hamden · All psychiatrists in Connecticut