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Internal Medicine

Stephen Katz, MD

Works at hospitals in Annapolis, MD · Easton, MD · Maryland

Summary

Stephen Katz, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Annapolis, MD and Easton, MD. NPI 1255486775. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Stephen Katz, 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
May acceptAccepts Medicare assignment
38Years since medical school (graduated 1988)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
Sinai Hospital of Baltimore, IncGroup practice (+1 more)

Quick answers

Which hospitals does Stephen Katz work at?
Medicare's official clinician data lists Stephen Katz at 2 hospitals: Luminis Health Anne Arundel Medical Center, Inc and University of MD Shore Medical Center at Easton. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Stephen Katz see patients?
Medicare's clinician data lists 3 practice locations, including Baltimore, MD and Severna Park, MD. Call before your visit to confirm the address.
What is Stephen Katz's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Stephen Katz accept Medicare assignment?
Medicare's clinician data says Stephen Katz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Stephen Katz?
(410) 544-5900, as listed in official Medicare / NPI Registry data.
What is Stephen Katz's NPI number?
1255486775. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Stephen Katz works

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

Group practices

Medicare enrollment lists Stephen Katz as a member of these groups (CMS data updated 2026-10-02).

  • Sinai Hospital of Baltimore, Inc380 clinicians in the group
  • Stephen Katz MD PA2 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maryland →

Other internal medicine doctors in Baltimore

Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.

All internal medicine doctors in Baltimore →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1988
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1255486775
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