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

Internal Medicine

Angela P. Basen, MD

Works at hospitals in Newport Beach, CA · Laguna Hills, CA · Mission Viejo, CA · California

Summary

Angela P. Basen, MD (Internal Medicine) is listed by Medicare at 3 hospitals in Newport Beach, CA, Laguna Hills, CA and Mission Viejo, CA. NPI 1639514144. 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 Angela P. Basen, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
13Years since medical school (graduated 2013)
FemaleGender (as listed)
Providence Medical FoundationGroup practice

Quick answers

Which hospitals does Angela P. Basen work at?
Medicare's official clinician data lists Angela P. Basen at 3 hospitals: Hoag Memorial Hospital Presbyterian, Memorialcare Saddleback Medical Center and Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Angela P. Basen see patients?
Medicare's clinician data lists 3 practice locations, including Fullerton, CA, Laguna Hills, CA and Foothill Ranch, CA. Call before your visit to confirm the address.
What is Angela P. Basen's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
Does Angela P. Basen accept Medicare assignment?
Yes. Medicare's clinician data says Angela P. Basen 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 Angela P. Basen offer telehealth?
Medicare's clinician data says Angela P. Basen offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Angela P. Basen?
(714) 992-5350, as listed in official Medicare / NPI Registry data.
What is Angela P. Basen's NPI number?
1639514144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Angela P. Basen works

Medicare's Facility Affiliation Data lists Angela P. Basen 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 Angela P. Basen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Angela P. Basen as a member of this group (CMS data updated 2026-10-02).

  • Providence Medical Foundation1,466 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fullerton

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

All internal medicine doctors in Fullerton →

Clinician information

CredentialMD
Graduation year2013
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1639514144
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