Quick answers
- Where does Esther J. Luo see patients?
- Medicare's clinician data lists 2 practice locations, including Santa Clara, CA. Call before your visit to confirm the address.
- What is Esther J. Luo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Esther J. Luo accept Medicare assignment?
- Yes. Medicare's clinician data says Esther J. Luo 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.
- Does Esther J. Luo offer telehealth?
- Medicare's clinician data says Esther J. Luo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Esther J. Luo?
- (408) 851-1000, as listed in official Medicare / NPI Registry data.
- What is Esther J. Luo's NPI number?
- 1861658585. 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 J. Luo is enrolled with Medicare (CMS data updated 2026-10-02).
- 700 Lawrence ExpySanta Clara, CA 95051 (408) 851‑1000
- 710 Lawrence Express WaySanta Clara, CA 95051 (408) 851‑1000
Group practices
Medicare enrollment lists Esther J. Luo as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Santa Clara
Clinicians with the same Medicare primary specialty in Santa Clara, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Davis School Of Medicine |
| Graduation year | 2006 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1861658585 |
| 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