Tsilya Bass, M.D.
NPI 1841330800ActiveIndividual· Psychiatry & Neurology, Psychiatry· West Hollywood, CA
Psychiatry & Neurology, Psychiatry (M.D.) in West Hollywood, California, licensed in CA, with an NPI issued in February 2007. Their prescriptions cost Medicare Part D more than their services did: $4,482,619 for 49,258 claims, against $198,093 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $7,694 in all, mostly speaking and faculty fees.
Overview
| NPI | 1841330800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 7, 2007 |
| Last updated in NPPES | Jul 7, 2020 |
| Certified by provider | Jul 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | A63630 | CA |
| General Practice | 208D00000X | A63630 | CA |
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 - Psychiatry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,062 |
|---|---|
| Services billed | 3,459 across 16 procedure codes |
| Paid by Medicare | $198,093 |
Part D prescriptions in 2024
| Prescriptions (claims) | 49,258 · 50,206 30-day fills |
|---|---|
| Patients | 1,173 |
| Total drug cost | $4,482,619 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1970 |
|---|---|
| Medicare specialty | Psychiatry |
| Secondary specialties | General Practice |
| Telehealth | Offers telehealth |
Industry payments (Open Payments)
- 2025$7,694 · 96 payments from 14 companies
- 2024$8,709 · 110 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $6,262 | 18 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $278.83 | 13 |
| Neurocrine Biosciences, Inc. | $192.93 | 12 |
| Alkermes, Inc. | $191.25 | 11 |
| Vanda Pharmaceuticals Inc. | $177.79 | 9 |
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$5,850 · 3 payments
- Food and Beverage$1,844 · 93 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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