Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Loi Luu, MD

Works at hospitals in Fountain Valley, CA · California

Summary

Loi Luu, MD (Family Practice) is listed by Medicare at 1 hospital in Fountain Valley, CA. NPI 1912961913. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Loi Luu, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
46Years since medical school (graduated 1980)
FemaleGender (as listed)
Family Choice Aco IncGroup practice

Quick answers

Which hospitals does Loi Luu work at?
Medicare's official clinician data lists Loi Luu at 1 hospital: Memorialcare Orange Coast Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Loi Luu see patients?
Medicare's clinician data lists 2 practice locations, including Westminster, CA. Call before your visit to confirm the address.
What is Loi Luu's specialty?
Medicare lists Family Practice as the primary specialty, and also Internal Medicine.
Does Loi Luu accept Medicare assignment?
Yes. Medicare's clinician data says Loi Luu 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 Loi Luu offer telehealth?
Medicare's clinician data says Loi Luu offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Loi Luu?
(714) 799-7731, as listed in official Medicare / NPI Registry data.
What is Loi Luu's NPI number?
1912961913. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Loi Luu works

Medicare's Facility Affiliation Data lists Loi Luu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Loi Luu is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Loi Luu as a member of this group (CMS data updated 2026-10-02).

  • Family Choice Aco Inc55 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Westminster

Clinicians with the same Medicare primary specialty in Westminster, CA — not a recommendation.

All family doctors in Westminster →

Clinician information

CredentialMD
Graduation year1980
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912961913
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians