DR. THOMAS CHILLEMI DMD
NPI 1457754327
Dentist - Endodontics in Massapequa, NY

NPI Status: Active since October 06, 2014

Contact Information

800 N. BROADWAY
MASSAPEQUA, NY
ZIP 11758
Phone: (516) 753-5437
Fax: (516) 753-9027

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  • Individual
  • Male
  • Dentist
  • Endodontics

About THOMAS CHILLEMI

This page provides the complete NPI Profile along with additional information for Thomas Chillemi, a provider established in Massapequa, New York with a medical specialization in Dentist, focusing in endodontics . The healthcare provider is registered in the NPI registry with number 1457754327 assigned on October 2014. The practitioner's primary taxonomy code is 1223E0200X with license number 040343 (NY). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1457754327
Provider Name
DR. THOMAS CHILLEMI DMD
Gender
Male
Entity Type
Individual
Location Address
800 N. BROADWAY MASSAPEQUA, NY 11758
Location Phone
(516) 753-5437
Location Fax
(516) 753-9027
Mailing Address
800 N. BROADWAY MASSAPEQUA, NY 11758
Mailing Phone
(516) 753-5437
Mailing Fax
(516) 753-9027
Is Sole Proprietor?
No
Enumeration Date
10-06-2014
Last Update Date
10-06-2014
Code Navigator

A dentist like Thomas Chillemi 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 Endodontics

Taxonomy Code
1223E0200X
Type
Dental Providers
License No.
040343
License State
NY
Taxonomy Description
The branch of dentistry that is concerned with the morphology, physiology and pathology of the human dental pulp and periradicular tissues. Its study and practice encompass the basic and clinical sciences including biology of the normal pulp, the etiology, diagnosis, prevention and treatment of diseases and injuries of the pulp and associated periradicular conditions.

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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 1457754327, 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
4
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
7
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
5
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
2
Doubled → 4
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 5 → 10 → 1 7 → 14 → 5 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 0 + 7 + 1 + 4 + 5 + 8 + 3 + 4 + 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 1457754327.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457754327, enumerated as an "individual" on October 06, 2014.

The provider is located at 800 N. BROADWAY MASSAPEQUA, NY 11758 and the phone number is (516) 753-5437.

Dentist with taxonomy code 1223E0200X and a focus in Endodontics.