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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEVEN CHACKO MD
NPI 1093418972
Internal Medicine in Stony Brook, NY

Active since March 22, 2023
101 NICOLLS RD, STONY BROOK, NY 11794(631) 638-2698 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 22, 2026, Mar 22, 2023 (2 updates tracked since 2023).

About Steven Chacko Md NPPES

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

STEVEN CHACKO MD (NPI 1093418972) is an individual internal medicine provider in Stony Brook, New York, licensed in New York (343949) and active in the NPI registry since March 2023.

NPPES Registry Identity

NPI1093418972
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameSTEVEN CHACKOCredential: MD
Location Address101 NICOLLS RDStony Brook, NY 11794-8434
Mailing Address101 Nicolls RdStony Brook, NY 11794-8434
Phone(631) 638-2698
Sole ProprietorNo
Enumeration DateMarch 22, 2023
Last NPPES UpdateSeptember 22, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1093418972 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 · 343949
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.
101 NICOLLS RD, Stony Brook, NY 11794
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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.

NARINDER SINGH M.D.
Internal Medicine
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-4000
DR. KANHAI FARRAKHAN MD
Internal Medicine (Gastroenterology)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-0580
MS. HAYLEY ALEXANDRA MENA LMSW
Social Worker (Clinical)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (516) 761-4107
MRS. HEATHER MARIE CALIGIURI ANP
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 631-4449
MR. SAM TARIK MENDOUNE I NP
Nurse Practitioner (Adult Health)
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 335-1657
ALEXIE LESSING
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-4686
DR. BENJAMIN RISMANY MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 444-1791
JULIA RYAN MD
Student in an Organized Health Care Education/Training Program
101 NICOLLS RD
STONY BROOK, NY 11794
Suffolk County (631) 689-8333

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 Steven Chacko's NPI number?

The NPI number for Steven Chacko is 1093418972. It was assigned to this individual provider in the NPPES registry on March 22, 2023.

Where is Steven Chacko located?

Steven Chacko practices at 101 Nicolls Rd, Stony Brook, NY 11794. The listed phone number is (631) 638-2698.

What is Steven Chacko'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 Steven Chacko was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.