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Internal Medicine

Joseph Slomowits, MD

Sees patients in Brooklyn, NY · New York

Summary

Dr. Joseph Slomowits, MD is an internal medicine doctor at 5022 15th Ave, Brooklyn, NY 11219. Phone: (718) 851-8400. Accepts Medicare assignment. In 2024, Joseph Slomowits had 357 Original Medicare patients and 12,925 services. NPI 1134212053. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5022 15th Ave, Brooklyn, NY 11219 · Directions (1 more location)
  • Phone: (718) 851‑8400
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 1982 (44 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph Slomowits, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Joseph Slomowits accept Medicare assignment?
Yes. Medicare's clinician data says Joseph Slomowits accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Joseph Slomowits see?
In 2024, CMS data shows 357 Original Medicare patients and 12,925 services for Joseph Slomowits. This counts Original Medicare only and measures volume, not quality.
What is Joseph Slomowits's NPI number?
1134212053. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Joseph Slomowits, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients357
Services billed to Medicare12,925
Different services or procedures75
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,192 services
  2. Telephone medical discussion with physician, 11-20 minutes (99442)852 services
  3. Insertion of needle into vein for collection of blood sample (36415)574 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)546 services
  5. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)448 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Osteoporosis67%
  • Diabetes44%
  • Arthritis41%
  • Anxiety27%

Practice locations

Addresses where Joseph Slomowits is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Brooklyn

Clinicians with the same Medicare primary specialty in Brooklyn, NY — not a recommendation.

All internal medicine doctors in Brooklyn →

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1134212053
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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