Mark Edmund Ladner, M.D.
NPI 1487753562ActiveIndividual· Psychiatry & Neurology, Psychiatry· Jackson, MS
Psychiatry & Neurology, Psychiatry (M.D.) in Jackson, Mississippi, trained at University of Mississippi School of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $23,538 for 674 claims, against $14,043 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 6 companies reporting payments in 2025, $1,076 in all, mostly food and beverage.
Overview
| NPI | 1487753562 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 22, 2006 |
| Last updated in NPPES | Apr 27, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 13651 | MS |
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 (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 299 across 7 procedure codes |
| Paid by Medicare | $14,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 674 · 1,197 30-day fills |
|---|---|
| Patients | 55 |
| Total drug cost | $23,538 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Mississippi School of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- State of Mississippi - University of Mississippi Medical CenterJackson, MS · 965 clinicians
Hospital affiliation
- University of Mississippi Med CenterJackson, MS
Industry payments (Open Payments)
- 2025$1,076 · 9 payments from 6 companies
- 2024$242.58 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $378.38 | 3 |
| Axsome Therapeutics, Inc. | $220.03 | 2 |
| Neurocrine Biosciences, Inc. | $133.00 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $129.88 | 1 |
| Janssen Pharmaceuticals, Inc | $124.99 | 1 |
What the 2025 payments were for
- Food and Beverage$1,076 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 98 psychiatrists in Jackson · All psychiatrists in Mississippi