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JOHN Y. TSOU, M.D.
NPI 1659646982
Clinic/Center - Multi-Specialty in Hudson, NY

Active since March 20, 2012CLIA 33D0163392 · Waiver
815 UNION ST, HUDSON, NY 12534(518) 828-0947(518) 822-0520 Get Directions Write a Review

NPPES record last updated: March 20, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John Y. Tsou, M.d. NPPES

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

JOHN Y. TSOU, M.D. (NPI 1659646982) is a healthcare organization registered as a multi-specialty in Hudson, New York and active in the NPI registry since March 2012. The organization holds a CLIA Waiver certificate valid through August 31, 2026 and lists John Y Tsou, Owner, as its authorized official.

NPPES Registry Identity

NPI1659646982
Entity TypeOrganization
Primary Taxonomy261QM1300X
Legal Business NameJOHN Y. TSOU, M.D.
Location Address815 UNION STHudson, NY 12534-3003
Mailing Address815 Union StHudson, NY 12534-3003 · (518) 828-0947 · Fax (518) 822-0520
Phone(518) 828-0947
Fax(518) 822-0520
Organization SubpartNo
Authorized OfficialJohn Y TsouOwner · (518) 828-0947
Enumeration DateMarch 20, 2012
✔ NPI 1659646982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Multi-SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM1300X
License✔ Licensed in NY · 129662
815 UNION ST, Hudson, NY 12534
Open in Google Maps ↗

Other Identifiers 3

Medicaid00972312NY
Medicare UPINB19417NY
Medicare PIN80D221NY

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 33D0163392

John Y Tsou MD · Hudson, NY
Active · expires Aug 31, 2026
CLIA Number33D0163392
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorJohn Y. Tsou
Laboratory Phone(518) 828-0947
Laboratory LocationJohn Y Tsou MD815 Union Street, Hudson, NY 12534
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

JOHN YULE TSOU M.D.
Internal Medicine
815 UNION ST
HUDSON, NY 12534
Columbia County (518) 828-0947

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 John Y. Tsou, M.D.'s NPI number?

The NPI number for John Y. Tsou, M.D. is 1659646982. It was assigned to this organization in the NPPES registry on March 20, 2012.

Where is John Y. Tsou, M.D. located?

John Y. Tsou, M.D. is located at 815 Union St, Hudson, NY 12534. The listed phone number is (518) 828-0947.

What is John Y. Tsou, M.D.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Multi-Specialty, with taxonomy code 261QM1300X.

Does John Y. Tsou, M.D. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 33D0163392) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for John Y. Tsou, M.D. was last updated on March 20, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.