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

LOUIS A. SIDOTI M.D.
NPI 1629026497
Internal Medicine in Castleton, NY

Active since May 04, 2006
1547 COLUMBIA TPKE, CASTLETON, NY 12033(518) 479-4156 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Louis A. Sidoti M.d. NPPES

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

LOUIS A. SIDOTI M.D. (NPI 1629026497) is an individual internal medicine provider in Castleton, New York, licensed in New York (186890) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1629026497
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLOUIS A. SIDOTICredential: M.D.
Location Address1547 COLUMBIA TPKECastleton, NY 12033-9543
Mailing Address1547 Columbia TpkeCastleton, NY 12033-9543 · (518) 479-4156
Phone(518) 479-4156
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1629026497 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 · 186890
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.
1547 COLUMBIA TPKE, Castleton, NY 12033
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Other Providers at the Same Location NPPES 14

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

YEN VU SIDOTI
Nurse Practitioner (Family)
1547 COLUMBIA TPKE
CASTLETON ON HUDSON, NY 12033
Rensselaer County (518) 708-7296
MRS. KELLEY ELIZABETH POWERS PA-C
Physician Assistant
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
CAITLIN COOK PA
Physician Assistant
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
DR. ALBERT NJOROGE HUHO MB, CHB
Pathology (Anatomic Pathology & Clinical Pathology)
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
DR. RICHARD HENRY STEPHEN KARPINSKI M.D.
Surgery (Plastic and Reconstructive Surgery)
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
DR. ANTHONY NEAL GREGORY MD MPH
Dermatology
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
ANTHONY DUSHANE PA-C
Physician Assistant
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156
MR. MICHAEL R DULAY MS, FNP-C
Nurse Practitioner (Family)
1547 COLUMBIA TPKE
CASTLETON, NY 12033
Rensselaer County (518) 479-4156

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 Louis Sidoti's NPI number?

The NPI number for Louis Sidoti is 1629026497. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Louis Sidoti located?

Louis Sidoti practices at 1547 Columbia Tpke, Castleton, NY 12033. The listed phone number is (518) 479-4156.

What is Louis Sidoti'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 Louis Sidoti was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.