MR. SAMUEL SYLVESTRE
NPI 1003695511
Family Medicine - Addiction Medicine in Valley Cottage, NY

NPI Status: Active since September 25, 2023

Contact Information

706 EXECUTIVE BLVD STE D
VALLEY COTTAGE, NY
ZIP 10989
Phone: (845) 309-3164

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Family Medicine
Addiction Medicine

About SAMUEL SYLVESTRE

This page provides the complete NPI Profile along with additional information for Samuel Sylvestre, a provider established in Valley Cottage, New York with a medical specialization in Family Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1003695511 assigned on September 2023. The practitioner's primary taxonomy code is 207QA0401X with license number 207QA0401X (NY). The provider is registered as an individual and his NPI record was last updated 3 years ago.

NPI: 1003695511
Provider Name: MR. SAMUEL SYLVESTRE
Gender: Male
Entity Type: Individual
Location Address: 706 EXECUTIVE BLVD STE D VALLEY COTTAGE, NY 10989
Location Phone: (845) 309-3164
Mailing Address: 4 EMERALD LN SUFFERN, NY 10901
Mailing Phone: (845) 405-1845
Is Sole Proprietor?: Yes
Enumeration Date: 09-25-2023
Last Update Date: 09-25-2023
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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: Family Medicine Addiction Medicine
Taxonomy Code: 207QA0401X
Type: Allopathic & Osteopathic Physicians
License No.: 207QA0401X
License State: NY
Taxonomy Description: A family medicine physician who specializes in the diagnosis and treatment of addictions.

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 1003695511, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 0

Pos 4

Unchanged

Pos 5

Doubled → 12 → 1 + 2

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 2

Check

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 0 → 0 6 → 12 → 3 5 → 10 → 1 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 2 + 9 + 1 + 0 + 5 + 2 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1003695511.