DAVID COBIAN
NPI 1346170974
Clinic/Center - Health Service in Riverside, CA

NPI Status: Active since May 25, 2026

Contact Information

1405 SPRUCE ST STE A
RIVERSIDE, CA
ZIP 92507
Phone: (951) 396-6870

Get Directions Write a Review

Newly Listed Provider
This NPI profile has been added to the NPI registry within the last 30 days.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Clinic/Center
Health Service

About DAVID COBIAN

This page provides the complete NPI Profile along with additional information for David Cobian, a provider established in Riverside, California with a medical specialization in Clinic/center, focusing in health service . The healthcare provider is registered in the NPI registry with number 1346170974 assigned on May 2026. The practitioner's primary taxonomy code is 261QH0100X. The provider is registered as an individual and his NPI record was last updated May 2026.

NPI: 1346170974
Provider Name: DAVID COBIAN
Gender: Male
Entity Type: Individual
Location Address: 1405 SPRUCE ST STE A RIVERSIDE, CA 92507
Location Phone: (951) 396-6870
Mailing Address: 3700 QUARTZ CANYON RD SPC 33 JURUPA VALLEY, CA 92509
Mailing Phone: (951) 542-0639
Is Sole Proprietor?: Yes
Enumeration Date: 05-25-2026
Last Update Date: 05-25-2026
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 Health Service
Taxonomy Code: 261QH0100X
Type: Ambulatory Health Care Facilities
License State: CA

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 1346170974, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 14 → 1 + 4

Check

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 4 → 8 1 → 2 0 → 0 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 8 + 6 + 2 + 7 + 0 + 9 + 1 + 4 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1346170974.