DR. JONATHAN WATSON MD
NPI 1992151765
Family Medicine - Addiction Medicine in Santa Ana, CA

NPI Status: Active since May 10, 2016

Contact Information

550 N FLOWER ST
SANTA ANA, CA
ZIP 92703
Phone: (714) 647-4666

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

Individual
Male
Family Medicine
Addiction Medicine

About JONATHAN WATSON

This page provides the complete NPI Profile along with additional information for Jonathan Watson, a provider established in Santa Ana, California with a medical specialization in Family Medicine, focusing in addiction medicine . The healthcare provider is registered in the NPI registry with number 1992151765 assigned on May 2016. The practitioner's primary taxonomy code is 207QA0401X with license number A153222 (CA). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI: 1992151765
Provider Name: DR. JONATHAN WATSON MD
Gender: Male
Entity Type: Individual
Location Address: 550 N FLOWER ST SANTA ANA, CA 92703
Location Phone: (714) 647-4666
Mailing Address: 550 N FLOWER ST SANTA ANA, CA 92703
Is Sole Proprietor?: No
Enumeration Date: 05-10-2016
Last Update Date: 01-17-2022
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Location Map

Secondary Locations

8831 Venice Blvd
Los Angeles, CA 90034
(310) 204-5200

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: Family Medicine Addiction Medicine
Taxonomy Code: 207QA0401X
Type: Allopathic & Osteopathic Physicians
License No.: A153222
License State: CA
Taxonomy Description: A family medicine physician who specializes in the diagnosis and treatment of addictions.

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 1992151765, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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 → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 9 → 18 → 9 1 → 2 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 2 + 5 + 2 + 7 + 1 + 2 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1992151765.