SOYSAL DDS INC
NPI 1801765029
Clinic/Center - Dental in San Jose, CA

NPI Status: Active since November 04, 2025

Contact Information

925 BLOSSOM HILL RD STE 1223
SAN JOSE, CA
ZIP 95123
Phone: (408) 362-9690

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  • Organization
  • Clinic/Center
  • Dental

About SOYSAL DDS INC

This page provides the complete NPI Profile along with additional information for Soysal Dds Inc, a provider established in San Jose, California operating as a Clinic/center, focusing in dental . The healthcare provider is registered in the NPI registry with number 1801765029 assigned on November 2025. The practitioner's primary taxonomy code is 261QD0000X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Mr. Cengiz Soysal Dds (President)

NPI
1801765029
Provider Name
SOYSAL DDS INC
Entity Type
Organization
Location Address
925 BLOSSOM HILL RD STE 1223 SAN JOSE, CA 95123
Location Phone
(408) 362-9690
Mailing Address
925 BLOSSOM HILL RD STE 1223 SAN JOSE, CA 95123
Mailing Phone
(408) 362-9690
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-04-2025
Last Update Date
11-04-2025
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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

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

MR. CENGIZ SOYSAL DDS

Authorized Official Title
PRESIDENT
Authorized Official Phone
(408) 362-9690

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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 1801765029, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 7 → 14 → 5 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 + 8 + 0 + 1 + 1 + 4 + 6 + 1 + 0 + 0 + 4 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1801765029.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801765029, enumerated as an "organization" on November 04, 2025.

The provider is located at 925 BLOSSOM HILL RD STE 1223 SAN JOSE, CA 95123 and the phone number is (408) 362-9690.

Clinic/Center with taxonomy code 261QD0000X and a focus in Dental.