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

Internal Medicine

Tom I. Finkelstein, MD

Works at hospitals in Phoenix, AZ · Prescott, AZ · Arizona

Summary

Tom I. Finkelstein, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Phoenix, AZ and Prescott, AZ. NPI 1427679844. 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 Tom I. Finkelstein, 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
6Years since medical school (graduated 2020)
MaleGender (as listed)
SJHMC Physician ServicesGroup practice

Quick answers

Which hospitals does Tom I. Finkelstein work at?
Medicare's official clinician data lists Tom I. Finkelstein at 2 hospitals: St Josephs Hospital and Medical Center and Yavapai Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tom I. Finkelstein see patients?
Medicare's clinician data lists 1 practice location in Phoenix, AZ. Call before your visit to confirm the address.
What is Tom I. Finkelstein's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Tom I. Finkelstein accept Medicare assignment?
Yes. Medicare's clinician data says Tom I. Finkelstein 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 Tom I. Finkelstein offer telehealth?
Medicare's clinician data says Tom I. Finkelstein offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Tom I. Finkelstein?
(602) 406-6017, as listed in official Medicare / NPI Registry data.
What is Tom I. Finkelstein's NPI number?
1427679844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tom I. Finkelstein works

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

Group practices

Medicare enrollment lists Tom I. Finkelstein as a member of this group (CMS data updated 2026-10-02).

  • SJHMC Physician Services646 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

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

All internal medicine doctors in Phoenix →

Clinician information

CredentialMD
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1427679844
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