John Calvin Chatlos Jr., MD
NPI 1497752695ActiveIndividual· Psychiatry & Neurology, Psychiatry· Holmdel, NJ
Psychiatry & Neurology, Psychiatry (MD) in Holmdel, New Jersey, trained at University of Maryland School of Medicine (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $55,106 for 368 claims, against $6,974 paid for services in 2024. Janssen Pharmaceuticals, Inc reported $135.89 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1497752695 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 1, 2005 |
| Last updated in NPPES | Apr 18, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | MA46262 | NJ |
| Psychiatry & Neurology, Addiction Psychiatry | 2084P0802X | MA 46262 | NJ |
| Psychiatry & Neurology, Child & Adolescent Psychiatry | 2084P0804X | MA 46262 | NJ |
| Psychiatry & Neurology, Addiction Medicine | 2084A0401X | MA 46262 | NJ |
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 (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 77 across 3 procedure codes |
| Paid by Medicare | $6,974 |
Part D prescriptions in 2024
| Prescriptions (claims) | 368 · 412 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $55,106 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Psychiatry |
| Secondary specialties | Addiction Medicine |
Industry payments (Open Payments)
- 2025$135.89 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $135.89 | 1 |
What the 2025 payments were for
- Food and Beverage$135.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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