BONNIE SUSAN LANDFIELD MFT
NPI 1902054794
Counselor - Mental Health in Walnut Creek, CA
NPI Status: Active since September 04, 2008
Contact Information
1445 QUAIL VIEW CIR
WALNUT CREEK, CA
ZIP 94597
Phone: (925) 932-1008
- Individual
- Female
- Counselor
- Mental Health
About BONNIE LANDFIELD
This page provides the complete NPI Profile along with additional information for Bonnie Landfield, a provider established in Walnut Creek, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1902054794 assigned on September 2008. The practitioner's primary taxonomy code is 101YM0800X with license number MFC 43414 (CA). The provider is registered as an individual and her NPI record was last updated 18 years ago.
- NPI
- 1902054794
- Provider Name
- BONNIE SUSAN LANDFIELD MFT
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1445 QUAIL VIEW CIR WALNUT CREEK, CA 94597
- Location Phone
- (925) 932-1008
- Mailing Address
- 1445 QUAIL VIEW CIR WALNUT CREEK, CA 94597
- Mailing Phone
- (925) 932-1008
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-04-2008
- Last Update Date
- 09-04-2008
- Code Navigator
A mental health counselor like Bonnie Landfield 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
- License No.
- MFC 43414
- License State
- 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 1902054794, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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 66 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1902054794, enumerated as an "individual" on September 04, 2008.
The provider is located at 1445 QUAIL VIEW CIR WALNUT CREEK, CA 94597 and the phone number is (925) 932-1008.
Counselor with taxonomy code 101YM0800X and a focus in Mental Health.
