Quick answers
- Which hospitals does Lien T. Nguyen work at?
- Medicare's official clinician data lists Lien T. Nguyen at 1 hospital: Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lien T. Nguyen see patients?
- Medicare's clinician data lists 5 practice locations, including Fullerton, CA, Mission Viejo, CA and Los Alamitos, CA. Call before your visit to confirm the address.
- What is Lien T. Nguyen's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Lien T. Nguyen accept Medicare assignment?
- Yes. Medicare's clinician data says Lien T. Nguyen 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 Lien T. Nguyen offer telehealth?
- Medicare's clinician data says Lien T. Nguyen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Lien T. Nguyen?
- (714) 992-5350, as listed in official Medicare / NPI Registry data.
- What is Lien T. Nguyen's NPI number?
- 1508906033. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lien T. Nguyen works
Medicare's Facility Affiliation Data lists Lien T. Nguyen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Mission HospitalMission Viejo, CA · Acute Care Hospital · CCN 050567
Practice locations
Addresses where Lien T. Nguyen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1950 Sunny Crest Dr, Suite 2900Fullerton, CA 92835 (714) 992‑5350
- 26921 Crown Valley Pkwy, Suite 120Mission Viejo, CA 92691 (949) 333‑2224
- 27799 Medical Ctr RdMission Viejo, CA 92691
- 4772 Katella Ave, Suite 200Los Alamitos, CA 90720 (562) 596‑5552
- 9850 Genesee Ave, Suite 440La Jolla, CA 92037 (858) 453‑5944
Group practices
Medicare enrollment lists Lien T. Nguyen as a member of these groups (CMS data updated 2026-10-02).
- Providence Medical Foundation1,466 clinicians in the group
- Genesis Healthcare Partners PC228 clinicians in the group
- Minimally Invasive Medical Group7 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fullerton
Clinicians with the same Medicare primary specialty in Fullerton, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1508906033 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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