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

NPI Status: Active since March 20, 2012

Contact Information

815 UNION ST
HUDSON, NY
ZIP 12534
Phone: (518) 828-0947
Fax: (518) 822-0520

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  • Organization
  • Clinic/Center
  • Multi-Specialty
  • CLIA Number: 33D0163392
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 08-31-2026

About JOHN Y. TSOU, M.D.

This page provides the complete NPI Profile along with additional information for John Y. Tsou, M.d., a provider established in Hudson, New York operating as a Clinic/center, focusing in multi-specialty . The healthcare provider is registered in the NPI registry with number 1659646982 assigned on March 2012. The practitioner's primary taxonomy code is 261QM1300X with license number 129662 (NY). The provider is registered as an organization and their NPI record was last updated 14 years ago. The authorized official of this NPI record is John Y Tsou M.d. (Owner)

NPI
1659646982
Provider Name
JOHN Y. TSOU, M.D.
Entity Type
Organization
Location Address
815 UNION ST HUDSON, NY 12534
Location Phone
(518) 828-0947
Location Fax
(518) 822-0520
Mailing Address
815 UNION ST HUDSON, NY 12534
Mailing Phone
(518) 828-0947
Mailing Fax
(518) 822-0520
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-20-2012
Last Update Date
03-20-2012
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Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Clinic/Center Multi-Specialty

Taxonomy Code
261QM1300X
Type
Ambulatory Health Care Facilities
License No.
129662
License State
NY

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JOHN Y TSOU M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(518) 828-0947

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
00972312MEDICAID (05)NY 
B19417MEDICARE UPIN (02)NY 
80D221MEDICARE PIN (08)NY 

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
33D0163392
Facility Type
Physician Office
Certificate Effective Date
September 01, 2024
Certificate Expiration Date
August 31, 2026
Laboratory Director
JOHN Y. TSOU
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to John Y. Tsou, M.d. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for JOHN Y. TSOU, M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1659646982, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 6 → 12 → 3 6 → 12 → 3 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 0 + 9 + 1 + 2 + 4 + 1 + 2 + 9 + 1 + 6 + 24 = 68

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1659646982.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Internal Medicine
815 UNION ST
HUDSON, NY 12534

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659646982, enumerated as an "organization" on March 20, 2012.

The provider is located at 815 UNION ST HUDSON, NY 12534 and the phone number is (518) 828-0947.

Clinic/Center with taxonomy code 261QM1300X and a focus in Multi-Specialty.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.