LEO T CHYLACK M.D.
NPI 1619030707
Ophthalmology in Boston, MA

Active since December 19, 2006
221 LONGWOOD AVE, RM 323, BOSTON, MA 02115(617) 732-7355 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Leo T Chylack M.d. NPPES

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

LEO T CHYLACK M.D. (NPI 1619030707) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (33138) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1619030707
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameLEO T CHYLACKCredential: M.D.
Location Address221 LONGWOOD AVE, RM 323Boston, MA 02115-5804
Mailing Address221 Longwood Ave, Rm 323Boston, MA 02115-5804 · (617) 732-7355
Sole ProprietorNo
Enumeration DateDecember 19, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1619030707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in MA · 33138
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
221 LONGWOOD AVE, Boston, MA 02115

Other Providers at the Same Location NPPES 20

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

Social Worker (Clinical)
221 LONGWOOD AVE
BOSTON, MA 02115
Obstetrics & Gynecology (Gynecology)
221 LONGWOOD AVE, BRIGHAM AND WOMENS HOSP DEPT OF OBSTETRICS AND GYNECOLO
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE
BOSTON, MA 02115
Psychiatry & Neurology (Psychiatry)
221 LONGWOOD AVE, 4TH FL/PSYCHIATRY
BOSTON, MA 02115
Specialist
221 LONGWOOD AVE
BOSTON, MA 02115
Dermatology
221 LONGWOOD AVE
BOSTON, MA 02115
General Acute Care Hospital
221 LONGWOOD AVE, BWH-ENDOCRINOLOGY
BOSTON, MA 02115
Dermatology
221 LONGWOOD AVE
BOSTON, MA 02115

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 Leo Chylack's NPI number?

The NPI number for Leo Chylack is 1619030707. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Leo Chylack located?

Leo Chylack practices at 221 Longwood Ave Rm 323, Boston, MA 02115. The listed phone number is (617) 732-7355.

What is Leo Chylack's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Leo Chylack was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.