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

Internal Medicine

Karoline C. Wang, MD

Works at hospitals in Mission Viejo, CA · California

Summary

Karoline C. Wang, MD (Internal Medicine) is listed by Medicare at 1 hospital in Mission Viejo, CA. NPI 1255918231. 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 Karoline C. Wang, 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
5Years since medical school (graduated 2021)
Medical College Of WisconsinMedical school
FemaleGender (as listed)
Providence Medical FoundationGroup practice

Quick answers

Which hospitals does Karoline C. Wang work at?
Medicare's official clinician data lists Karoline C. Wang at 1 hospital: Providence Mission Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Karoline C. Wang see patients?
Medicare's clinician data lists 1 practice location in Irvine, CA. Call before your visit to confirm the address.
What is Karoline C. Wang's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Karoline C. Wang accept Medicare assignment?
Yes. Medicare's clinician data says Karoline C. Wang 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 Karoline C. Wang offer telehealth?
Medicare's clinician data says Karoline C. Wang offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Karoline C. Wang?
(714) 263-9279, as listed in official Medicare / NPI Registry data.
What is Karoline C. Wang's NPI number?
1255918231. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Karoline C. Wang works

Medicare's Facility Affiliation Data lists Karoline C. Wang 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 Karoline C. Wang is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Karoline C. Wang 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 Irvine

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

All internal medicine doctors in Irvine →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1255918231
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