JULIA CASTILLO
NPI 1225210313
Counselor - Addiction (Substance Use Disorder) in Oakland, CA

NPI Status: Active since November 29, 2007

Contact Information

1411 E 31ST ST
OAKLAND, CA
ZIP 94602
Phone: (510) 437-8588
Fax: (510) 261-3112

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  • Individual
  • Female
  • Counselor
  • Addiction (Substance Use Disorder)

About JULIA CASTILLO

This page provides the complete NPI Profile along with additional information for Julia Castillo, a provider established in Oakland, California with a medical specialization in Counselor, focusing in addiction (substance use disorder) . The healthcare provider is registered in the NPI registry with number 1225210313 assigned on November 2007. The practitioner's primary taxonomy code is 101YA0400X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1225210313
Provider Name
JULIA CASTILLO
Gender
Female
Entity Type
Individual
Location Address
1411 E 31ST ST OAKLAND, CA 94602
Location Phone
(510) 437-8588
Location Fax
(510) 261-3112
Mailing Address
1340 E 31ST ST OAKLAND, CA 94602
Mailing Phone
(510) 436-4066
Mailing Fax
(510) 261-3112
Is Sole Proprietor?
No
Enumeration Date
11-29-2007
Last Update Date
11-29-2007
Code Navigator

A Substance Abuse or Addiction Counselor like Julia Castillo advices patients who experience alcoholism, drug addiction, eating disorders, mental health issues, or other mental or behavioral problems. Substance Abuse counselors provide treatment and support to help clients recover from addiction or modify problem behaviors. Many counselors incorporate the principles of 12-step programs, such as Alcoholics Anonymous (AA). They educate clients how to cope with stress and life’s issues in ways that help them recover. Counselors also help patients improve their personal relationships and find ways to discuss their addiction or other problems with family and friends.

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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

Counselor Addiction (Substance Use Disorder)

Taxonomy Code
101YA0400X
Type
Behavioral Health & Social Service Providers

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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 1225210313, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
2
Doubled → 4
Pos 4
5
Unchanged
Pos 5
2
Doubled → 4
Pos 6
1
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
1
Doubled → 2
Check
3
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 2 → 4 2 → 4 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 4 + 5 + 4 + 1 + 0 + 3 + 2 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1225210313.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST, DEPARTMENT OF EMERGENCY MEDICINE
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Internal Medicine
1411 E 31ST ST
OAKLAND, CA 94602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1225210313, enumerated as an "individual" on November 29, 2007.

The provider is located at 1411 E 31ST ST OAKLAND, CA 94602 and the phone number is (510) 437-8588.

Counselor with taxonomy code 101YA0400X and a focus in Addiction (Substance Use Disorder).