Jessica Siak, M.D.
NPI 1174059570ActiveIndividual· Hospitalist· West Hollywood, CA
Hospitalist (M.D.) with Cedars-Sinai Medical Care Foundation and 1 other group, practicing in West Hollywood, California. In 2024 Medicare paid $90,602 for 277 patients, and Part D covered 377 of their prescriptions, 84% of them generic. Abiomed was the largest of 5 companies reporting payments in 2025, $234.75 in all, mostly food and beverage. Lists Torrance Memorial Medical Center as a hospital affiliation.
Overview
| NPI | 1174059570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 4, 2017 |
| Last updated in NPPES | Jun 16, 2022 |
| Certified by provider | Jun 16, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A161511 | CA |
| Internal Medicine | 207R00000X | A161511 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 934 across 11 procedure codes |
| Paid by Medicare | $90,602 |
Part D prescriptions in 2024
| Prescriptions (claims) | 377 · 408 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $26,832 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Cedars-Sinai Medical Care FoundationWest Hollywood, CA · 1,692 clinicians
- Torrance Health Association IncRedondo Beach, CA · 299 clinicians
Hospital affiliation
- Torrance Memorial Medical CenterTorrance, CA
Other facilities
- Torrance Memorial Med Ctr Snf/DpNursing home · Torrance, CA
Industry payments (Open Payments)
- 2025$234.75 · 10 payments from 5 companies
- 2024$634.87 · 31 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abiomed | $104.15 | 4 |
| Verona Pharma, Inc. | $46.16 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $45.19 | 2 |
| Cytovale, Inc. | $21.26 | 1 |
| Merck Sharp & Dohme LLC | $17.99 | 1 |
What the 2025 payments were for
- Food and Beverage$234.75 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 hospitalists in West Hollywood · All hospitalists in California