DR. DEBRA M RYKEN DMD
NPI 1124010343
Dentist - General Practice in San Diego, CA

NPI Status: Active since August 16, 2005

Contact Information

34101 FARENHOLT AVE BLDG 14
NAVAL SCHOOL OF HEALTH SCIENCES
SAN DIEGO, CA
ZIP 92134
Phone: (619) 532-7803

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  • Individual
  • Female
  • Dentist
  • General Practice

About DEBRA RYKEN

This page provides the complete NPI Profile along with additional information for Debra Ryken, a provider established in San Diego, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1124010343 assigned on August 2005. The practitioner's primary taxonomy code is 1223G0001X with license number 15912 (MA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1124010343
Provider Name
DR. DEBRA M RYKEN DMD
Gender
Female
Entity Type
Individual
Location Address
34101 FARENHOLT AVE BLDG 14 NAVAL SCHOOL OF HEALTH SCIENCES SAN DIEGO, CA 92134
Location Phone
(619) 532-7803
Mailing Address
1528 PLANTATION WAY EL CAJON, CA 92019
Mailing Phone
(619) 991-0393
Is Sole Proprietor?
Yes
Enumeration Date
08-16-2005
Last Update Date
09-11-2025
Code Navigator

A dentist like Debra Ryken 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.
15912
License State
MA
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.

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)
11223G0001XDental Providers

Dentist
General Practice

18257 (TX)

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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 1124010343, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 0 + 1 + 0 + 3 + 8 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1124010343.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14, SURFACE WARFARE MEDICAL INSTITUTE SAN DIEGO, CA 92134
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Emergency Medicine
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134
Military Health Care Provider (Independent Duty Corpsman)
34101 FARENHOLT AVE BLDG 14
SAN DIEGO, CA 92134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124010343, enumerated as an "individual" on August 16, 2005.

The provider is located at 34101 FARENHOLT AVE BLDG 14 NAVAL SCHOOL OF HEALTH SCIENCES SAN DIEGO, CA 92134 and the phone number is (619) 532-7803.

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