Quick answers
- Where does Esther D. Hwang see patients?
- Medicare's clinician data lists 4 practice locations, including Chino Hills, CA, Redlands, CA and Riverside, CA. Call before your visit to confirm the address.
- What is Esther D. Hwang's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Esther D. Hwang accept Medicare assignment?
- Yes. Medicare's clinician data says Esther D. Hwang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Esther D. Hwang?
- (909) 464-9800, as listed in official Medicare / NPI Registry data.
- What is Esther D. Hwang's NPI number?
- 1851696595. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Esther D. Hwang is enrolled with Medicare (CMS data updated 2026-10-02).
- 2140 Grand Ave, Suite 260Chino Hills, CA 91709 (909) 464‑9800
- 255 Terracina Blvd, Suite 205cRedlands, CA 92373 (909) 793‑2323
- 9041 Magnolia Ave, Suite 206Riverside, CA 92503 (951) 354‑2220
- 930 E Foothill Blvd, Suite 1Upland, CA 91786 (909) 608‑7546
Group practices
Medicare enrollment lists Esther D. Hwang as a member of this group (CMS data updated 2026-10-02).
- Pacific Dermatology Institute32 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Chino Hills
Clinicians with the same Medicare primary specialty in Chino Hills, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851696595 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians