Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MARY D CHAGLASSIAN MD
NPI 1417902040
Internal Medicine in Elmhurst, NY

Active since May 23, 2006
8615 QUEENS BLVD, ELMHURST, NY 11373(718) 899-6600(718) 899-6600 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mary D Chaglassian Md NPPES

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

MARY D CHAGLASSIAN MD (NPI 1417902040) is an individual internal medicine provider in Elmhurst, New York, licensed in New York (180668) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1417902040
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY D CHAGLASSIANCredential: MD
Location Address8615 QUEENS BLVDElmhurst, NY 11373-4427
Mailing Address1000 Zeckendorf BlvdGarden City, NY 11530-2133 · (516) 542-6880 · Fax (516) 542-5556
Fax(718) 899-6600
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1417902040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 180668
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.

8615 QUEENS BLVD, Elmhurst, NY 11373

Other Providers at the Same Location NPPES 10

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

Internal Medicine
8615 QUEENS BLVD
ELMHURST, NY 11373
Allergy & Immunology
8615 QUEENS BLVD
ELMHURST, NY 11373
Internal Medicine
8615 QUEENS BLVD
ELMHURST, NY 11373
Pharmacist
8615 QUEENS BLVD
ELMHURST, NY 11373
Radiology (Diagnostic Radiology)
8615 QUEENS BLVD
ELMHURST, NY 11373
Pediatrics
8615 QUEENS BLVD
ELMHURST, NY 11373
Family Medicine
8615 QUEENS BLVD
ELMHURST, NY 11373
Internal Medicine
8615 QUEENS BLVD
ELMHURST, NY 11373

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 Mary Chaglassian's NPI number?

The NPI number for Mary Chaglassian is 1417902040. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Mary Chaglassian located?

Mary Chaglassian practices at 8615 Queens Blvd, Elmhurst, NY 11373. The listed phone number is (718) 899-6600.

What is Mary Chaglassian'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 Mary Chaglassian was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.