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Infectious Disease

Caroline Koan, MD

Works at hospitals in Torrance, CA · California

Summary

Caroline Koan, MD (Infectious Disease) is listed by Medicare at 1 hospital in Torrance, CA. NPI 1205298767. 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 Caroline Koan, 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

Infectious DiseasePrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
University Of Toledo College Of MedicineMedical school
FemaleGender (as listed)
County of Los AngelesGroup practice

Quick answers

Which hospitals does Caroline Koan work at?
Medicare's official clinician data lists Caroline Koan at 1 hospital: Lac/Harbor-Ucla Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Caroline Koan see patients?
Medicare's clinician data lists 1 practice location in Long Beach, CA. Call before your visit to confirm the address.
What is Caroline Koan's specialty?
Medicare lists Infectious Disease as the primary specialty.
Does Caroline Koan accept Medicare assignment?
Yes. Medicare's clinician data says Caroline Koan 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 Caroline Koan?
(562) 753-2315, as listed in official Medicare / NPI Registry data.
What is Caroline Koan's NPI number?
1205298767. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Caroline Koan works

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

Group practices

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

  • County of Los Angeles397 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in Long Beach

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

All infectious disease doctors in Long Beach →

Clinician information

CredentialMD
Medical schoolUniversity Of Toledo College Of Medicine
Graduation year2016
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205298767
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