Quick answers
- Where does Grace Jeng see patients?
- Medicare's clinician data lists 2 practice locations, including Cupertino, CA and Union City, CA. Call before your visit to confirm the address.
- What is Grace Jeng's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Grace Jeng accept Medicare assignment?
- Yes. Medicare's clinician data says Grace Jeng 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 Grace Jeng?
- (408) 366-4400, as listed in official Medicare / NPI Registry data.
- What is Grace Jeng's NPI number?
- 1952414054. 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 Grace Jeng is enrolled with Medicare (CMS data updated 2026-10-02).
- 19000 Homestead RdCupertino, CA 95014 (408) 366‑4400
- 3555 Whipple RdUnion City, CA 94587 (510) 675‑3080
Group practices
Medicare enrollment lists Grace Jeng as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Cupertino
Clinicians with the same Medicare primary specialty in Cupertino, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Southern California College Of Optometry |
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1952414054 |
| 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