Quick answers
- Where does Chomya F. Oo see patients?
- Medicare's clinician data lists 1 practice location in Upland, CA. Call before your visit to confirm the address.
- What is Chomya F. Oo's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Chomya F. Oo accept Medicare assignment?
- Yes. Medicare's clinician data says Chomya F. Oo 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 Chomya F. Oo's NPI number?
- 1609510130. 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 Chomya F. Oo is enrolled with Medicare (CMS data updated 2026-10-02).
- 954 W Foothill Blvd, Suite AUpland, CA 91786
Group practices
Medicare enrollment lists Chomya F. Oo as a member of this group (CMS data updated 2026-10-02).
- Foothills Psychological Services Inc36 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Upland
Clinicians with the same Medicare primary specialty in Upland, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609510130 |
| 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