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DR. JONATHAN DAVID SACKNER-BERNSTEIN M.D.
NPI 1760594295
Internal Medicine in New York, NY

Active since August 31, 2006
423 W 55TH ST, 4TH FLOOR, NEW YORK, NY 10019(212) 994-5100(212) 994-5101 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 11, 2025, Mar 7, 2023 (2 updates tracked since 2023).

About Dr. Jonathan David Sackner-bernstein M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JONATHAN DAVID SACKNER-BERNSTEIN M.D. (NPI 1760594295) is an individual internal medicine provider in New York, New York, licensed in New York (177018-1) and active in the NPI registry since August 2006.

NPPES Registry Identity

NPI1760594295
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JONATHAN DAVID SACKNER-BERNSTEINCredential: M.D.
Location Address423 W 55TH ST, 4TH FLOORNew York, NY 10019-4460
Mailing Address423 W 55th St, 4th FloorNew York, NY 10019-4460 · (212) 994-5100 · Fax (212) 994-5101
Phone(212) 994-5100
Fax(212) 994-5101
Sole ProprietorNo
Enumeration DateAugust 31, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1760594295 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 177018-1
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 177018-1 (NY)

Other Identifiers 2

Medicaid01440880NY
Other177018-1NY · Medical License

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GARY KENNETH ZAMMIT PH.D.
Psychologist (Clinical)
423 W 55TH ST, 4TH FLOOR
NEW YORK, NY 10019
New York County (212) 994-5100
DR. NINA A KONSTANTINOVA MD
Internal Medicine
423 W 55TH ST
NEW YORK, NY 10019
New York County (212) 994-4583
DR. STEPHEN ARTHUR LUND M.D.
Psychiatry & Neurology (Sleep Medicine)
423 W 55TH ST, 4TH FLOOR
NEW YORK, NY 10019
New York County (212) 994-4570
DR. MAUREEN ELIZABETH WALLACE PH.D.
Psychologist
423 W 55TH ST, 4TH FLOOR
NEW YORK, NY 10019
New York County (212) 994-5100
CLINILABS COM INC
Clinic/Center (Sleep Disorder Diagnostic)
423 W 55TH ST, 4TH FLOOR
NEW YORK, NY 10019
New York County (212) 994-5100
DR. JON TYLER FREEMAN PH.D.
Psychologist (Clinical)
423 W 55TH ST, FLOOR 4
NEW YORK, NY 10019
New York County (212) 994-5100
DR. MAHA AHMAD M.D.
Psychiatry & Neurology (Sleep Medicine)
423 W 55TH ST, 4TH FLOOR
NEW YORK, NY 10019
New York County (646) 215-6406

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jonathan Sackner-bernstein's NPI number?

The NPI number for Jonathan Sackner-bernstein is 1760594295. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Jonathan Sackner-bernstein located?

Jonathan Sackner-bernstein practices at 423 W 55th St 4th Floor, New York, NY 10019. The listed phone number is (212) 994-5100.

What is Jonathan Sackner-bernstein's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Jonathan Sackner-bernstein was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.