Hassan Ali Chahine, MD
NPI 1518326933ActiveIndividual· Internal Medicine· Downey, CA
Internal Medicine (MD) with Southern California Hospitalist Network Medical Group Inc and 2 other groups, practicing in Downey, California. Their prescriptions cost Medicare Part D more than their services did: $397,681 for 4,068 claims, against $219,456 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $75.15 in payments in 2025, mostly food and beverage. Lists Emanate Health Inter-Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1518326933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 12, 2016 |
| Last updated in NPPES | Feb 26, 2024 |
| Certified by provider | Feb 26, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A151005 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 375 |
|---|---|
| Services billed | 2,826 across 16 procedure codes |
| Paid by Medicare | $219,456 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,068 · 4,142 30-day fills |
|---|---|
| Patients | 215 |
| Total drug cost | $397,681 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Southern California Hospitalist Network Medical Group IncOrange, CA · 77 clinicians
- Hassan Chahine MD IncWest Covina, CA · 7 clinicians
- Socal Physician Partners APCBaldwin Park, CA · 4 clinicians
Hospital affiliations
- Emanate Health Inter-Community HospitalCovina, CA
- Los Angeles Community HospitalLos Angeles, CA
- Whittier Hospital Medical CenterWhittier, CA
Other facilities
- Allied Home Health Care CorporationHome health agency · Chino, CA
- Bristol Hospice- Greater Los AngelesHospice · Lakewood, CA
- Kindred Hospital -- la MiradaLong-term care hospital · La Mirada, CA
- Kindred Hospital Baldwin ParkLong-term care hospital · Baldwin Park, CA
- Kindred Hospital BreaLong-term care hospital · Brea, CA
- Kindred Hospital OntarioLong-term care hospital · Ontario, CA
- Kindred Hospital RanchoLong-term care hospital · Rancho Cucamonga, CA
- Covina Rehabilitation CenterNursing home · Covina, CA
- Eastland Subacute and Rehabilitation CenterNursing home · El Monte, CA
- Garden View Post Acute RehabilitationNursing home · Baldwin Park, CA
- Gladstone Sub-Acute and Rehab CenterNursing home · Glendora, CA
- Inland Valley Care and Rehabilitation CenterNursing home · Pomona, CA
Industry payments (Open Payments)
- 2025$75.15 · 1 payment from 1 company
- 2024$21.19 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $75.15 | 1 |
What the 2025 payments were for
- Food and Beverage$75.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 129 internal medicine physicians in Downey · All internal medicine physicians in California