JOSEPH A. ZAKOWSKI DDS
NPI 1629524970
Clinic/Center - Dental in San Diego, CA
NPI Status: Active since August 28, 2016
Contact Information
4060 FOURTH AVENUE
SUITE 540
SAN DIEGO, CA
ZIP 92103
Phone: (619) 298-6150
- Organization
- Clinic/Center
- Dental
About JOSEPH A. ZAKOWSKI DDS
This page provides the complete NPI Profile along with additional information for Joseph A. Zakowski Dds, a provider established in San Diego, California operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1629524970 assigned on August 2016. The practitioner's primary taxonomy code is 261QD0000X with license number 39502 (CA). The provider is registered as an organization and their NPI record was last updated 10 years ago. The authorized official of this NPI record is Dr. Joseph Alan Zakowski D.d.s. (Owner)
- NPI
- 1629524970
- Provider Name
- JOSEPH A. ZAKOWSKI DDS
- Entity Type
- Organization
- Location Address
- 4060 FOURTH AVENUE SUITE 540 SAN DIEGO, CA 92103
- Location Phone
- (619) 298-6150
- Mailing Address
- 4060 FOURTH AVENUE SUITE 540 SAN DIEGO, CA 92103
- Mailing Phone
- (619) 298-6150
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 08-28-2016
- Last Update Date
- 08-28-2016
- Code Navigator
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
Clinic/Center Dental
- Taxonomy Code
- 261QD0000X
- Type
- Ambulatory Health Care Facilities
- License No.
- 39502
- License State
- CA
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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 1629524970, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 70 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 10 providers are registered at the same or a nearby location.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1629524970, enumerated as an "organization" on August 28, 2016.
The provider is located at 4060 FOURTH AVENUE SUITE 540 SAN DIEGO, CA 92103 and the phone number is (619) 298-6150.
Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.
