Errol Segall, MD
NPI 1407855190ActiveIndividual· Psychiatry & Neurology, Psychiatry· Fairfax, VA
Psychiatry & Neurology, Psychiatry (MD) in Fairfax, Virginia, trained at University of Wisconsin School of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $105,676 for 2,274 claims, against $39,098 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 15 companies reporting payments in 2025, $1,427 in all, mostly food and beverage.
Overview
| NPI | 1407855190 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 15, 2005 |
| Last updated in NPPES | Nov 10, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 0101031662 | VA |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | D0042679 | MD |
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 (DC); Practitioner - Psychiatry (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 522 across 6 procedure codes |
| Paid by Medicare | $39,098 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,274 · 3,661 30-day fills |
|---|---|
| Patients | 186 |
| Total drug cost | $105,676 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of Wisconsin School of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Northern Virginia Psychiatric GroupFairfax, VA · 11 clinicians
Industry payments (Open Payments)
- 2025$1,427 · 66 payments from 15 companies
- 2024$1,279 · 68 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $252.32 | 13 |
| Vanda Pharmaceuticals Inc. | $248.88 | 12 |
| Axsome Therapeutics, Inc. | $166.17 | 7 |
| Lundbeck LLC | $139.40 | 5 |
| Bausch Health US, LLC | $111.35 | 6 |
What the 2025 payments were for
- Food and Beverage$1,427 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 79 psychiatrists in Fairfax · All psychiatrists in Virginia