GRETCHEN STERN DDS
NPI 1396331021
Dentist - Periodontics in Seattle, WA

NPI Status: Active since December 16, 2020

Contact Information

2743 CALIFORNIA AVE SW UNIT 200
SEATTLE, WA
ZIP 98116
Phone: (206) 519-5337

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  • Individual
  • Female
  • Dentist
  • Periodontics

About GRETCHEN STERN

This page provides the complete NPI Profile along with additional information for Gretchen Stern, a provider established in Seattle, Washington with a medical specialization in Dentist, focusing in periodontics . The healthcare provider is registered in the NPI registry with number 1396331021 assigned on December 2020. The practitioner's primary taxonomy code is 1223P0300X with license number 61030822 (WA). The provider is registered as an individual and her NPI record was last updated 4 years 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.

NPI
1396331021
Provider Name
GRETCHEN STERN DDS
Gender
Female
Entity Type
Individual
Location Address
2743 CALIFORNIA AVE SW UNIT 200 SEATTLE, WA 98116
Location Phone
(206) 519-5337
Mailing Address
3019 62ND AVE SW UNIT C SEATTLE, WA 98116
Mailing Phone
(510) 316-6901
Is Sole Proprietor?
Yes
Enumeration Date
12-16-2020
Last Update Date
04-13-2022
Code Navigator

A dentist like Gretchen Stern 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

  • 2505 S 320th St Ste 330
    Federal Way, WA 98003
    (206) 400-0800

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 Periodontics

Taxonomy Code
1223P0300X
Type
Dental Providers
License No.
61030822
License State
WA
Taxonomy Description
That specialty of dentistry which encompasses the prevention, diagnosis and treatment of diseases of the supporting and surrounding tissues of the teeth or their substitutes and the maintenance of the health, function and esthetics of these structures and tissues.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
11223P0300XDental Providers

Dentist
Periodontics

36929 (TX)

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.

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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 1396331021, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
6
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 9 → 18 → 9 3 → 6 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 8 + 6 + 6 + 3 + 2 + 0 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1396331021.

Other Providers at the Same Location


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

Dentist (Endodontics)
2743 CALIFORNIA AVE SW UNIT 200
SEATTLE, WA 98116

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1396331021, enumerated as an "individual" on December 16, 2020.

The provider is located at 2743 CALIFORNIA AVE SW UNIT 200 SEATTLE, WA 98116 and the phone number is (206) 519-5337.

Dentist with taxonomy code 1223P0300X and a focus in Periodontics.