XAVIER ASTOLFO GOMEZ CASTILLO M.A., CCHT.
NPI 1306035704
Counselor in Long Beach, CA
NPI Status: Active since October 22, 2007
Contact Information
7856 E CREST CIR
LONG BEACH, CA
ZIP 90808
Phone: (323) 905-4262
- Individual
- Male
- Counselor
About XAVIER GOMEZ CASTILLO
This page provides the complete NPI Profile along with additional information for Xavier Gomez Castillo, a provider established in Long Beach, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1306035704 assigned on October 2007. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1306035704
- Provider Name
- XAVIER ASTOLFO GOMEZ CASTILLO M.A., CCHT.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 7856 E CREST CIR LONG BEACH, CA 90808
- Location Phone
- (323) 905-4262
- Mailing Address
- 7856 E CREST CIR LONG BEACH, CA 90808
- Mailing Phone
- (323) 905-4262
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-22-2007
- Last Update Date
- 08-21-2025
- Code Navigator
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
Counselor
- Taxonomy Code
- 101Y00000X
- Type
- Behavioral Health & Social Service Providers
- License State
- CA
- Taxonomy Description
- A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
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 | 106H00000X | Behavioral Health & Social Service Providers | Marriage & Family Therapist | 114440 (CA) |
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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 1306035704, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1306035704, enumerated as an "individual" on October 22, 2007.
The provider is located at 7856 E CREST CIR LONG BEACH, CA 90808 and the phone number is (323) 905-4262.
Counselor with taxonomy code 101Y00000X.
