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

Internal Medicine

Alan Ditchek, MD

Sees patients in Brooklyn, NY · New York

Summary

Alan Ditchek, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Brooklyn, NY. NPI 1609868827. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alan Ditchek, 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
YesOffers telehealth
45Years since medical school (graduated 1981)
MaleGender (as listed)

Quick answers

Where does Alan Ditchek see patients?
Medicare's clinician data lists 1 practice location in Brooklyn, NY. Call before your visit to confirm the address.
What is Alan Ditchek's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
Does Alan Ditchek accept Medicare assignment?
Medicare's clinician data says Alan Ditchek may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Alan Ditchek offer telehealth?
Medicare's clinician data says Alan Ditchek offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Alan Ditchek?
(718) 769-0444, as listed in official Medicare / NPI Registry data.
What is Alan Ditchek's NPI number?
1609868827. 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 Alan Ditchek is enrolled with Medicare (CMS data updated 2026-10-02).

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 year1981
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1609868827
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