Arun Nagender Reddy Kaithi, MD
NPI 1851578579ActiveIndividual· Psychiatry & Neurology, Psychiatry· Louisville, KY
Psychiatry & Neurology, Psychiatry (MD) with Commonwealth of Kentucky and 1 other group, practicing in Louisville, Kentucky. Their prescriptions cost Medicare Part D more than their services did: $390,794 for 2,307 claims, against $23,615 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 2 companies reporting payments in 2025, $206.29 in all, mostly food and beverage.
Overview
| NPI | 1851578579 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 24, 2008 |
| Last updated in NPPES | Dec 4, 2025 |
| Certified by provider | Dec 4, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 44445 | KY |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | 44445 | KY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (KY); Practitioner - Psychiatry (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 116 |
|---|---|
| Services billed | 489 across 10 procedure codes |
| Paid by Medicare | $23,615 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,307 · 2,359 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $390,794 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical groups
- Commonwealth of KentuckyLouisville, KY · 27 clinicians
- Mt. Airy Development, LLCCincinnati, OH · 10 clinicians
Industry payments (Open Payments)
- 2025$206.29 · 5 payments from 2 companies
- 2024$122.53 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $150.39 | 2 |
| Vanda Pharmaceuticals Inc. | $55.90 | 3 |
What the 2025 payments were for
- Food and Beverage$206.29 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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