MISS DIAHANN M OVERALL
NPI 1407054927
Counselor - Mental Health in San Leandro, CA

NPI Status: Active since July 05, 2007

Contact Information

2500 FAIRMONT DR
SAN LEANDRO, CA
ZIP 94578
Phone: (510) 667-3000

Get Directions Write a Review

  • Individual
  • Female
  • Counselor
  • Mental Health

About DIAHANN OVERALL

This page provides the complete NPI Profile along with additional information for Diahann Overall, a provider established in San Leandro, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1407054927 assigned on July 2007. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1407054927
Provider Name
MISS DIAHANN M OVERALL
Gender
Female
Entity Type
Individual
Location Address
2500 FAIRMONT DR SAN LEANDRO, CA 94578
Location Phone
(510) 667-3000
Mailing Address
12258 TERRACE VIEW LN WATERFORD, CA 95386
Mailing Phone
(209) 874-9478
Is Sole Proprietor?
Yes
Enumeration Date
07-05-2007
Last Update Date
07-08-2007
Code Navigator

A mental health counselor like Diahann Overall provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

Reviews for MISS DIAHANN M OVERALL

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1407054927, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 0 + 7 + 0 + 5 + 8 + 9 + 4 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1407054927.

Other Providers at the Same Location


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

Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Nurse Practitioner (Family)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Psychologist (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Psychologist (Clinical)
2500 FAIRMONT DR, GUIDANCE CLINIC
SAN LEANDRO, CA 94578
Marriage & Family Therapist
2500 FAIRMONT DR, GUIDANCE CLINIC
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Counselor (Mental Health)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Social Worker
2500 FAIRMONT DR, GUIDANCE CLINIC (BHCS)
SAN LEANDRO, CA 94578
Social Worker (Clinical)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Psychologist
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Counselor (Mental Health)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Student in an Organized Health Care Education/Training Program
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Student in an Organized Health Care Education/Training Program
2500 FAIRMONT DR
SAN LEANDRO, CA 94578
Counselor (Mental Health)
2500 FAIRMONT DR, BHCS GUIDANCE CLINIC
SAN LEANDRO, CA 94578
Counselor (Mental Health)
2500 FAIRMONT DR
SAN LEANDRO, CA 94578

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1407054927, enumerated as an "individual" on July 05, 2007.

The provider is located at 2500 FAIRMONT DR SAN LEANDRO, CA 94578 and the phone number is (510) 667-3000.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.