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Hospitalist

Jonathan J. Ferng, MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Jonathan J. Ferng, MD (Hospitalist) is listed by Medicare at 2 hospitals in Tucson, AZ. NPI 1598347858. 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 Jonathan J. Ferng, 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
5Years since medical school (graduated 2021)
University Of Arizona College Of MedicineMedical school
MaleGender (as listed)
Arizona Inpatient Medicine Associates LLCGroup practice

Quick answers

Which hospitals does Jonathan J. Ferng work at?
Medicare's official clinician data lists Jonathan J. Ferng at 2 hospitals: Banner - University Medical Center Tucson Campus and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jonathan J. Ferng see patients?
Medicare's clinician data lists 1 practice location in Tucson, AZ. Call before your visit to confirm the address.
What is Jonathan J. Ferng's specialty?
Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
Does Jonathan J. Ferng accept Medicare assignment?
Yes. Medicare's clinician data says Jonathan J. Ferng 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 Jonathan J. Ferng?
(520) 318-3434, as listed in official Medicare / NPI Registry data.
What is Jonathan J. Ferng's NPI number?
1598347858. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jonathan J. Ferng works

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

Group practices

Medicare enrollment lists Jonathan J. Ferng as a member of this group (CMS data updated 2026-10-02).

  • Arizona Inpatient Medicine Associates LLC68 clinicians in the group

Specialties

Find other Hospitalist doctors in Arizona →

Other hospitalists in Tucson

Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.

All hospitalists in Tucson →

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598347858
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