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Internal Medicine

Leonard A. Berlin, MD

Sees patients in Copiague, NY · New York

Summary

Leonard A. Berlin, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Copiague, NY. NPI 1174623367. Source: CMS National Downloadable File, updated 2026-10-02.

Call(631) 842‑0770 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Leonard A. Berlin, 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

2Practice locations
Internal MedicinePrimary specialty
May acceptAccepts Medicare assignment
YesOffers telehealth
53Years since medical school (graduated 1973)
MaleGender (as listed)

Quick answers

Where does Leonard A. Berlin see patients?
Medicare's clinician data lists 2 practice locations, including Copiague, NY. Call before your visit to confirm the address.
What is Leonard A. Berlin's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Leonard A. Berlin accept Medicare assignment?
Medicare's clinician data says Leonard A. Berlin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
Does Leonard A. Berlin offer telehealth?
Medicare's clinician data says Leonard A. Berlin offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Leonard A. Berlin?
(631) 842-0770, as listed in official Medicare / NPI Registry data.
What is Leonard A. Berlin's NPI number?
1174623367. 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 Leonard A. Berlin is enrolled with Medicare (CMS data updated 2026-10-02).

  • 180 Great Neck RdCopiague, NY 11726 (631) 842‑0770
  • 180 Great Neck Rd, Unit ACopiague, NY 11726

Specialties

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

All internal medicine doctors in New York →

Clinician information

CredentialMD
Graduation year1973
Gender (as listed)Male
Medicare assignmentMay accept for some services
TelehealthOffers telehealth services
NPI (National Provider Identifier)1174623367
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