LILLIAN ABIGAIL CASTRO LMFT
NPI 1730547860
Marriage & Family Therapist in Red Bluff, CA

NPI Status: Active since February 03, 2016

Contact Information

590 ANTELOPE BLVD STE 40A
RED BLUFF, CA
ZIP 96080
Phone: (530) 529-9454
Fax: (530) 529-9456

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

Individual
Female
Marriage & Family Therapist

About LILLIAN CASTRO

This page provides the complete NPI Profile along with additional information for Lillian Castro, a provider established in Red Bluff, California with a medical specialization in Marriage & Family Therapist. The healthcare provider is registered in the NPI registry with number 1730547860 assigned on February 2016. The practitioner's primary taxonomy code is 106H00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1730547860
Provider Name: LILLIAN ABIGAIL CASTRO LMFT
Gender: Female
Entity Type: Individual
Location Address: 590 ANTELOPE BLVD STE 40A RED BLUFF, CA 96080
Location Phone: (530) 529-9454
Location Fax: (530) 529-9456
Mailing Address: PO BOX 950 RED BLUFF, CA 96080
Mailing Phone: (530) 529-9454
Mailing Fax: (530) 529-9456
Is Sole Proprietor?: No
Enumeration Date: 02-03-2016
Last Update Date: 09-17-2025
Code Navigator

A marriage and family therapist like Lillian Castro help patients manage problems with their family and other relationships. Marriage and family therapists encourage clients to discuss their emotions and experiences and, develop strategies and skills to change behavior and cope with difficult situations. Many therapists apply cognitive behavioral therapy to help patients understand harmful thoughts, feelings, and also teach patients how to replace them with positive, life-enhancing ones.

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: Marriage & Family Therapist
Taxonomy Code: 106H00000X
Type: Behavioral Health & Social Service Providers
License State: CA
Taxonomy Description: A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

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 1730547860, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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 → 6

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 14 → 1 + 4

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 3 → 6 5 → 10 → 1 7 → 14 → 5 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 6 + 0 + 1 + 0 + 4 + 1 + 4 + 8 + 1 + 2 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0

This NPI is valid

The calculated check digit is 0, which matches the last digit of 1730547860.