MRS. MELISSA AMBER CARRERA CPT1
NPI 1053003244
Public Health or Welfare in San Diego, CA

NPI Status: Active since May 24, 2023

Contact Information

5055 RUFFIN RD
SAN DIEGO, CA
ZIP 92123
Phone: (805) 701-3329

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

Individual
Female
Public Health or Welfare

About MELISSA CARRERA

This page provides the complete NPI Profile along with additional information for Melissa Carrera, a provider established in San Diego, California with a medical specialization in Public Health Or Welfare. The healthcare provider is registered in the NPI registry with number 1053003244 assigned on May 2023. The practitioner's primary taxonomy code is 251K00000X with license number CPT-01006161 (CA). The provider is registered as an individual and her NPI record was last updated 3 years ago.

NPI: 1053003244
Provider Name: MRS. MELISSA AMBER CARRERA CPT1
Gender: Female
Entity Type: Individual
Location Address: 5055 RUFFIN RD SAN DIEGO, CA 92123
Location Phone: (805) 701-3329
Mailing Address: 5055 RUFFIN RD SAN DIEGO, CA 92123
Mailing Phone: (805) 701-3329
Is Sole Proprietor?: Yes
Enumeration Date: 05-24-2023
Last Update Date: 05-24-2023
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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: Public Health or Welfare
Taxonomy Code: 251K00000X
Type: Agencies
License No.: CPT-01006161
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 1053003244, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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 → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 8

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 5 → 10 → 1 0 → 0 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 0 + 3 + 0 + 0 + 6 + 2 + 8 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4

This NPI is valid

The calculated check digit is 4, which matches the last digit of 1053003244.