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Endocrinology

Samuel Refetoff, MD

Works at hospitals in Chicago, IL · Illinois

Summary

Samuel Refetoff, MD (Endocrinology) is listed by Medicare at 1 hospital in Chicago, IL. NPI 1518020031. 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 Samuel Refetoff, 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

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
63Years since medical school (graduated 1963)
MaleGender (as listed)
The University of Chicago Medical CenterGroup practice

Quick answers

Which hospitals does Samuel Refetoff work at?
Medicare's official clinician data lists Samuel Refetoff at 1 hospital: The University of Chicago Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Samuel Refetoff see patients?
Medicare's clinician data lists 1 practice location in Chicago, IL. Call before your visit to confirm the address.
What is Samuel Refetoff's specialty?
Medicare lists Endocrinology as the primary specialty, and also Internal Medicine.
Does Samuel Refetoff accept Medicare assignment?
Yes. Medicare's clinician data says Samuel Refetoff 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 Samuel Refetoff?
(773) 702-1000, as listed in official Medicare / NPI Registry data.
What is Samuel Refetoff's NPI number?
1518020031. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Samuel Refetoff works

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

Group practices

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

  • The University of Chicago Medical Center915 clinicians in the group

Specialties

Find other Endocrinology doctors in Illinois →

Other endocrinologists in Chicago

Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.

All endocrinologists in Chicago →

Clinician information

CredentialMD
Graduation year1963
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1518020031
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