Quick answers
- Where does Lily H. Do see patients?
- Medicare's clinician data lists 2 practice locations, including Fountain Valley, CA and Westminster, CA. Call before your visit to confirm the address.
- What is Lily H. Do's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Lily H. Do accept Medicare assignment?
- Yes. Medicare's clinician data says Lily H. Do 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 Lily H. Do?
- (714) 760-4903, as listed in official Medicare / NPI Registry data.
- What is Lily H. Do's NPI number?
- 1841433653. 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 Lily H. Do is enrolled with Medicare (CMS data updated 2026-10-02).
- 11180 Warner Ave, Suite 465Fountain Valley, CA 92708 (714) 760‑4903
- 7631 Wyoming St, Suite 201Westminster, CA 92683 (714) 898‑0765
Group practices
Medicare enrollment lists Lily H. Do as a member of this group (CMS data updated 2026-10-02).
- Family Choice Aco Inc55 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fountain Valley
Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841433653 |
| 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