Zar C. Chan, M.D
NPI 1417243890ActiveIndividual· Internal Medicine, Nephrology· Torrance, CA
Internal Medicine, Nephrology (M.D) with Prohealth Partners, A Medical Group, practicing in Torrance, California. In 2024 Medicare paid $380,719 for 560 patients, and Part D covered 1,199 of their prescriptions, 66% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 11 companies reporting payments in 2025, $627.39 in all, mostly food and beverage. Lists Martin Luther King, Jr. Community Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1417243890 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jun 23, 2011 |
| Last updated in NPPES | Jul 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A129247 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 560 |
|---|---|
| Services billed | 3,625 across 19 procedure codes |
| Paid by Medicare | $380,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,199 · 2,304 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $421,307 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Prohealth Partners, A Medical GroupLong Beach, CA · 239 clinicians
Hospital affiliations
- Martin Luther King, Jr. Community HospitalLos Angeles, CA
- Memorialcare Long Beach Medical CenterLong Beach, CA
- Uci Health-LakewoodLakewood, CA
- Uci Health-OrangeOrange, CA
Other facilities
- Davita Bellflower Dialysis CenterDialysis facility · Bellflower, CA
- Davita Circle MarinaDialysis facility · Long Beach, CA
- Davita Paramount Dialysis CenterDialysis facility · Paramount, CA
- Davita St. Francis DialysisDialysis facility · Lynwood, CA
- Davita United Dialysis CenterDialysis facility · Long Beach, CA
Industry payments (Open Payments)
- 2025$627.39 · 23 payments from 11 companies
- 2024$764.65 · 32 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $231.76 | 8 |
| Otsuka America Pharmaceutical, Inc. | $85.68 | 3 |
| Aurinia Pharma U.S., Inc. | $72.18 | 3 |
| Vifor Pharma, Inc. | $49.42 | 2 |
| Abiomed | $31.44 | 1 |
What the 2025 payments were for
- Food and Beverage$627.39 · 23 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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