Thomas Chang, MD
NPI 1043876931ActiveIndividual· Psychiatry & Neurology, Psychiatry· Las Vegas, NV
Psychiatry & Neurology, Psychiatry (MD) in Las Vegas, Nevada, trained at University of Maryland School of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $220,344 for 884 claims, against $38,259 paid for services in 2024. E.R. Squibb & Sons, L.L.C. reported $77.29 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043876931 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2019 |
| Last updated in NPPES | Jul 19, 2023 |
| Certified by provider | Jul 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 21611 | NV |
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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 130 |
|---|---|
| Services billed | 582 across 16 procedure codes |
| Paid by Medicare | $38,259 |
Part D prescriptions in 2024
| Prescriptions (claims) | 884 · 1,271 30-day fills |
|---|---|
| Patients | 92 |
| Total drug cost | $220,344 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Psychiatry |
| Telehealth | Offers telehealth |
Medical group
- Focus Mental Health Solutions Bhushan Manjooran Wirjo PLLCHenderson, NV · 22 clinicians
Hospital affiliations
- Mountainview HospitalLas Vegas, NV
- University Medical CenterLas Vegas, NV
Industry payments (Open Payments)
- 2025$77.29 · 4 payments from 1 company
- 2024$225.72 · 15 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $77.29 | 4 |
What the 2025 payments were for
- Food and Beverage$77.29 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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