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Hospitalist

Caroline R. Defrang, MD

Works at hospitals in Boise, ID · Idaho

Summary

Caroline R. Defrang, MD (Hospitalist) is listed by Medicare at 1 hospital in Boise, ID. NPI 1699724690. 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 R. Defrang, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
33Years since medical school (graduated 1993)
Oregon Health Sciences University School Of MedicineMedical school
FemaleGender (as listed)
St Lukes Clinic-Treasure Valley LLCGroup practice

Quick answers

Which hospitals does Caroline R. Defrang work at?
Medicare's official clinician data lists Caroline R. Defrang at 1 hospital: St Luke's Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Caroline R. Defrang see patients?
Medicare's clinician data lists 6 practice locations, including Boise, ID and Meridian, ID. Call before your visit to confirm the address.
What is Caroline R. Defrang's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Caroline R. Defrang accept Medicare assignment?
Yes. Medicare's clinician data says Caroline R. Defrang 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 R. Defrang?
(208) 381-2983, as listed in official Medicare / NPI Registry data.
What is Caroline R. Defrang's NPI number?
1699724690. 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 R. Defrang works

Medicare's Facility Affiliation Data lists Caroline R. Defrang 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 R. Defrang is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

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

  • St Lukes Clinic-Treasure Valley LLC1,173 clinicians in the group

Specialties

Find other Hospitalist doctors in Idaho →

Other hospitalists in Boise

Clinicians with the same Medicare primary specialty in Boise, ID — not a recommendation.

All hospitalists in Boise →

Clinician information

CredentialMD
Medical schoolOregon Health Sciences University School Of Medicine
Graduation year1993
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1699724690
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