ALEXIS GERSTEN D.D.S.
NPI 1538458385
Dentist - General Practice in Speonk, NY

NPI Status: Active since April 01, 2011

Contact Information

195 MONTAUK HIGHWAY
SPEONK, NY
ZIP 11972
Phone: (631) 325-0731
Fax: (631) 325-5540

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  • Individual
  • Female
  • Dentist
  • General Practice

About ALEXIS GERSTEN

This page provides the complete NPI Profile along with additional information for Alexis Gersten, a provider established in Speonk, New York with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1538458385 assigned on April 2011. The practitioner's primary taxonomy code is 1223G0001X with license number AGBG7886786 (NY). The provider is registered as an individual and her NPI record was last updated 15 years ago.

NPI
1538458385
Provider Name
ALEXIS GERSTEN D.D.S.
Gender
Female
Entity Type
Individual
Location Address
195 MONTAUK HIGHWAY SPEONK, NY 11972
Location Phone
(631) 325-0731
Location Fax
(631) 325-5540
Mailing Address
PO BOX 497 SPEONK, NY 11972
Mailing Phone
(631) 325-0731
Mailing Fax
(631) 325-5540
Is Sole Proprietor?
No
Enumeration Date
04-01-2011
Last Update Date
04-01-2011
Code Navigator

A dentist like Alexis Gersten 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 General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
AGBG7886786
License State
NY
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1538458385, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 8 + 5 + 1 + 6 + 3 + 1 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1538458385.

Other Providers at the Same Location


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

Dentist
195 MONTAUK HIGHWAY
SPEONK, NY 11972

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538458385, enumerated as an "individual" on April 01, 2011.

The provider is located at 195 MONTAUK HIGHWAY SPEONK, NY 11972 and the phone number is (631) 325-0731.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.