SMILE BIG DENTAL PLLC
NPI 1982575387
Dentist - Pediatric Dentistry in West Islip, NY

NPI Status: Active since September 17, 2025

Contact Information

456 UNION BLVD
WEST ISLIP, NY
ZIP 11795
Phone: (631) 576-0055

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  • Organization
  • Dentist
  • Pediatric Dentistry

About SMILE BIG DENTAL PLLC

This page provides the complete NPI Profile along with additional information for Smile Big Dental Pllc, a provider established in West Islip, New York operating as a Dentist, focusing in pediatric dentistry . The healthcare provider is registered in the NPI registry with number 1982575387 assigned on September 2025. The practitioner's primary taxonomy code is 1223P0221X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Christine Branigan (Credentialing Manager)

NPI
1982575387
Provider Name
SMILE BIG DENTAL PLLC
Entity Type
Organization
Location Address
456 UNION BLVD WEST ISLIP, NY 11795
Location Phone
(631) 576-0055
Mailing Address
500 PORTION RD STE 16 RONKONKOMA, NY 11779
Mailing Phone
(631) 451-7700
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-17-2025
Last Update Date
09-17-2025
Code Navigator

A dentist like Smile Big Dental Pllc is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

Location Map

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

Dentist Pediatric Dentistry

Taxonomy Code
1223P0221X
Type
Dental Providers
Taxonomy Description
An age-defined specialty that provides both primary and comprehensive preventive and therapeutic oral health care for infants and children through adolescence, including those with special health care needs.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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

CHRISTINE BRANIGAN

Authorized Official Title
CREDENTIALING MANAGER
Authorized Official Phone
(631) 451-7700

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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 1982575387, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 0 + 7 + 1 + 0 + 3 + 1 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1982575387.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Dentist (Pediatric Dentistry)
456 UNION BLVD
WEST ISLIP, NY 11795
Dentist (Pediatric Dentistry)
456 UNION BLVD
WEST ISLIP, NY 11795

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982575387, enumerated as an "organization" on September 17, 2025.

The provider is located at 456 UNION BLVD WEST ISLIP, NY 11795 and the phone number is (631) 576-0055.

Dentist with taxonomy code 1223P0221X and a focus in Pediatric Dentistry.