Raffi A. Chalian, MD
NPI 1184670408ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Glendale, CA
Obstetrics & Gynecology, Gynecologic Oncology (MD) with Los Angeles Hematology-Oncology Medical Group, practicing in Glendale, California. 191 Medicare patients in 2024, $81,055 paid; nearly all of their 96 Part D prescriptions were generic (99%). Baxter Healthcare was the largest of 7 companies reporting payments in 2025, $4,378 in all, mostly education. Lists Glendale Adventist Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1184670408 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Jun 15, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | A122745 | CA |
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 - Gynecological Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 191 |
|---|---|
| Services billed | 534 across 39 procedure codes |
| Paid by Medicare | $81,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 96 · 103 30-day fills |
|---|---|
| Patients | 70 |
| Total drug cost | $407.84 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gynecological Oncology |
| Telehealth | Offers telehealth |
Medical group
- Los Angeles Hematology-Oncology Medical GroupVan Nuys, CA · 50 clinicians
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Glendale Mem Hospital & Hlth CenterGlendale, CA
- Pomona Valley Hospital Medical CenterPomona, CA
- Redlands Community HospitalRedlands, CA
Industry payments (Open Payments)
- 2025$4,378 · 15 payments from 7 companies
- 2024$2,886 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Baxter Healthcare | $4,163 | 7 |
| Caris Mpi, Inc. | $60.88 | 2 |
| Abbvie Inc. | $57.07 | 2 |
| Bioventus LLC | $31.57 | 1 |
| Glaxosmithkline, LLC. | $25.65 | 1 |
What the 2025 payments were for
- Education$3,548 · 1 payment
- Food and Beverage$830.41 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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