CHRISTY M YARMOSKY DDS
NPI 1306545827
Dentist - Pediatric Dentistry in Rehoboth Beach, DE

NPI Status: Active since February 23, 2023

Contact Information

18947 JOHN J WILLIAMS HWY UNIT 309
REHOBOTH BEACH, DE
ZIP 19971
Phone: (302) 644-4460

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  • Individual
  • Female
  • Dentist
  • Pediatric Dentistry

About CHRISTY YARMOSKY

This page provides the complete NPI Profile along with additional information for Christy Yarmosky, a provider established in Rehoboth Beach, Delaware with a medical specialization in Dentist, focusing in pediatric dentistry . The healthcare provider is registered in the NPI registry with number 1306545827 assigned on February 2023. The practitioner's primary taxonomy code is 1223P0221X with license number GI-0011625 (DE). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1306545827
Provider Name
CHRISTY M YARMOSKY DDS
Gender
Female
Entity Type
Individual
Location Address
18947 JOHN J WILLIAMS HWY UNIT 309 REHOBOTH BEACH, DE 19971
Location Phone
(302) 644-4460
Mailing Address
18947 JOHN J WILLIAMS HWY UNIT 309 REHOBOTH BEACH, DE 19971
Mailing Phone
(302) 644-4460
Is Sole Proprietor?
Yes
Enumeration Date
02-23-2023
Last Update Date
07-08-2025
Code Navigator

A dentist like Christy Yarmosky 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

Secondary Locations

  • 160 E Erie Ave
    Philadelphia, PA 19134
    (215) 427-5065
  • 51 Fallon Ave
    Seaford, DE 19973
    (302) 644-4460

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
License No.
GI-0011625
License State
DE
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.

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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 1306545827, 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
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 0 → 0 5 → 10 → 1 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 0 + 4 + 1 + 0 + 8 + 4 + 24 = 53

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

The next multiple of ten after 53 is 60. The difference is the calculated check digit.

60 - 53 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1306545827.

Other Providers at the Same Location


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

Dentist (Pediatric Dentistry)
18947 JOHN J WILLIAMS HWY UNIT 309
REHOBOTH BEACH, DE 19971
Dentist (Pediatric Dentistry)
18947 JOHN J WILLIAMS HWY UNIT 309
REHOBOTH BEACH, DE 19971

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306545827, enumerated as an "individual" on February 23, 2023.

The provider is located at 18947 JOHN J WILLIAMS HWY UNIT 309 REHOBOTH BEACH, DE 19971 and the phone number is (302) 644-4460.

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