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

Dermatology

Stephen E. Hoy, MD

Sees patients in Dubuque, IA · Iowa

Summary

Stephen E. Hoy, MD (Dermatology) is enrolled with Medicare at 1 practice location in Dubuque, IA. NPI 1275584948. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen E. Hoy, 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

DermatologyPrimary specialty
YesAccepts Medicare assignment
42Years since medical school (graduated 1984)
Medical College Of WisconsinMedical school
MaleGender (as listed)
Medical Associates Clinic P CGroup practice

Quick answers

Where does Stephen E. Hoy see patients?
Medicare's clinician data lists 1 practice location in Dubuque, IA. Call before your visit to confirm the address.
What is Stephen E. Hoy's specialty?
Medicare lists Dermatology as the primary specialty.
Does Stephen E. Hoy accept Medicare assignment?
Yes. Medicare's clinician data says Stephen E. Hoy 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 Stephen E. Hoy?
(563) 584-4100, as listed in official Medicare / NPI Registry data.
What is Stephen E. Hoy's NPI number?
1275584948. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Stephen E. Hoy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Stephen E. Hoy as a member of this group (CMS data updated 2026-10-02).

  • Medical Associates Clinic P C233 clinicians in the group

Specialties

Find other Dermatology doctors in Iowa →

Other dermatologists in Dubuque

Clinicians with the same Medicare primary specialty in Dubuque, IA — not a recommendation.

All dermatologists in Dubuque →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1984
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275584948
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians