DR. ALISON METHERELL MANN M.D., M.PH.
NPI 1457433542
Pediatrics - Adolescent Medicine in Costa Mesa, CA

NPI Status: Active since October 19, 2006

Contact Information

1190 W. BAKER STREET STE 103
COSTA MESA, CA
ZIP 92626
Phone: (714) 668-2525
Fax: (714) 668-2530

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

Individual
Female
Pediatrics
Adolescent Medicine
CLIA Number: 05D2178258
CLIA Cert. Type: Physician Office
CLIA Exp. Date: 01-28-2028

About ALISON MANN

This page provides the complete NPI Profile along with additional information for Alison Mann, a pediatrician established in Costa Mesa, California with a medical specialization in Pediatrics, focusing in adolescent medicine . The healthcare provider is registered in the NPI registry with number 1457433542 assigned on October 2006. The practitioner's primary taxonomy code is 2080A0000X with license number A73789 (CA). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI: 1457433542
Provider Name: DR. ALISON METHERELL MANN M.D., M.PH.
Other Name: MISS ALISON KAREN METHERELL
Other Name Type: Former Name (1)
Gender: Female
Entity Type: Individual
Location Address: 1190 W. BAKER STREET STE 103 COSTA MESA, CA 92626
Location Phone: (714) 668-2525
Location Fax: (714) 668-2530
Mailing Address: PO BOX 1813 SUISUN CITY, CA 94585
Mailing Phone: (657) 241-3600
Mailing Fax: (714) 668-2530
Is Sole Proprietor?: Yes
Enumeration Date: 10-19-2006
Last Update Date: 03-25-2026
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A pediatrician like Alison Mann is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, etc.

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: Pediatrics Adolescent Medicine
Taxonomy Code: 2080A0000X
Type: Allopathic & Osteopathic Physicians
License No.: A73789
License State: CA
Taxonomy Description: A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	208000000X	Allopathic & Osteopathic Physicians	Pediatrics	A73789 (CA)

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number: 05D2178258
Facility Type: Physician Office
Certificate Effective Date: January 29, 2026
Certificate Expiration Date: January 28, 2028
Laboratory Director: ALISON MANN
Certificate Type: Certificate of Waiver
Certificate Type Description: This CLIA certificate is issued to Alison Mann to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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 1457433542, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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 → 8

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 4 → 8 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 + 4 + 1 + 0 + 7 + 8 + 3 + 6 + 5 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1457433542.