Gerald Joseph Calegan II, MD
NPI 1902873516ActiveIndividual· Psychiatry & Neurology, Neurology· Baton Rouge, LA
Psychiatry & Neurology, Neurology (MD) in Baton Rouge, Louisiana, trained at Tulane University School of Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $4,927,184 for 6,146 claims, against $279,965 paid for services in 2024. Acadia Pharmaceuticals Inc was the largest of 33 companies reporting payments in 2025, $59,388 in all, mostly speaking and faculty fees.
Overview
| NPI | 1902873516 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 2, 2006 |
| Last updated in NPPES | May 31, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 200840 | LA |
| Internal Medicine | 207R00000X | 24995 | AL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Neurology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 560 |
|---|---|
| Services billed | 37,954 across 37 procedure codes |
| Paid by Medicare | $279,965 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,146 · 10,839 30-day fills |
|---|---|
| Patients | 829 |
| Total drug cost | $4,927,184 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | Tulane University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Neuromedical CenterBaton Rouge, LA · 118 clinicians
Hospital affiliations
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA
- The Spine Hospital of LouisianaBaton Rouge, LA
Other facilities
- The Neuromedical Center Rehabilitation Hospital, LInpatient rehabilitation facility · Baton Rouge, LA
Industry payments (Open Payments)
- 2025$59,388 · 435 payments from 33 companies
- 2024$57,423 · 396 payments from 33 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $31,102 | 52 |
| Teva Pharmaceuticals USA, Inc. | $12,333 | 12 |
| Neurocrine Biosciences, Inc. | $6,217 | 65 |
| Abbott Laboratories | $4,945 | 34 |
| Abbvie Inc. | $849.63 | 65 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$42,576 · 13 payments
- Food and Beverage$9,949 · 410 payments
- Consulting Fee$3,473 · 4 payments
- Travel and Lodging$3,367 · 6 payments
- Education$23.42 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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