DR. JOHN BAPTIST RUSSO M.D.
NPI 1013120286
Preventive Medicine - Public Health & General Preventive Medicine in San Pedro, CA

NPI Status: Active since May 07, 2007

Contact Information

593 W 6TH ST
SAN PEDRO, CA
ZIP 90731
Phone: (310) 547-0202
Fax: (310) 547-5096

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

Individual
Male
Preventive Medicine
Public Health & General Preventive Medic...

About JOHN RUSSO

This page provides the complete NPI Profile along with additional information for John Russo, a provider established in San Pedro, California with a medical specialization in Preventive Medicine, focusing in public health & general preventive medicine . The healthcare provider is registered in the NPI registry with number 1013120286 assigned on May 2007. The practitioner's primary taxonomy code is 2083P0901X with license number A39364 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI: 1013120286
Provider Name: DR. JOHN BAPTIST RUSSO M.D.
Gender: Male
Entity Type: Individual
Location Address: 593 W 6TH ST SAN PEDRO, CA 90731
Location Phone: (310) 547-0202
Location Fax: (310) 547-5096
Mailing Address: 593 W 6TH ST SAN PEDRO, CA 90731
Mailing Phone: (310) 547-0202
Mailing Fax: (310) 547-5096
Is Sole Proprietor?: No
Enumeration Date: 05-07-2007
Last Update Date: 07-08-2007
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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: Preventive Medicine Public Health & General Preventive Medicine
Taxonomy Code: 2083P0901X
Type: Allopathic & Osteopathic Physicians
License No.: A39364
License State: CA
Taxonomy Description: Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

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 1013120286, we treat the final digit (6) 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 44. The final step is to find the difference between that total and the next multiple of ten (50 - 44 = 6).

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 → 2

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 16 → 1 + 6

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 1 → 2 1 → 2 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 2 + 2 + 0 + 2 + 1 + 6 + 24 = 44

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

The next multiple of ten after 44 is 50. The difference is the calculated check digit.

50 - 44 = 6

This NPI is valid

The calculated check digit is 6, which matches the last digit of 1013120286.