Sandy Chang
NPI 1629465737ActiveIndividual· Internal Medicine, Infectious Disease· Loma Linda, CA
Internal Medicine, Infectious Disease with Faculty Physicians and Surgeons of Llusm, practicing in Loma Linda, California. Their prescriptions cost Medicare Part D more than their services did: $239,199 for 165 claims, against $21,750 paid for services in 2024. Lists Loma Linda University Medical Center as a hospital affiliation.
Overview
| NPI | 1629465737 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 16, 2015 |
| Last updated in NPPES | Mar 6, 2024 |
| Certified by provider | Mar 6, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A146846 | 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 - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 220 across 16 procedure codes |
| Paid by Medicare | $21,750 |
Part D prescriptions in 2024
| Prescriptions (claims) | 165 · 183 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $239,199 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Faculty Physicians and Surgeons of LlusmLoma Linda, CA · 1,315 clinicians
Hospital affiliation
- Loma Linda University Medical CenterLoma Linda, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 infectious disease specialists in Loma Linda · All infectious disease specialists in California