MRS. CATHERINE ANN JOHNSTON MA, LPC, NCC
NPI 1700920295
Counselor - Professional in Bloomfield Hills, MI
NPI Status: Active since February 16, 2007
Contact Information
43902 WOODWARD AVE
SUITE 110
BLOOMFIELD HILLS, MI
ZIP 48302
Phone: (248) 338-1700
- Individual
- Female
- Counselor
- Professional
About CATHERINE JOHNSTON
This page provides the complete NPI Profile along with additional information for Catherine Johnston, a provider established in Bloomfield Hills, Michigan with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1700920295 assigned on February 2007. The practitioner's primary taxonomy code is 101YP2500X with license number 6401008984 (MI). The provider is registered as an individual and her NPI record was last updated 19 years ago.
- NPI
- 1700920295
- Provider Name
- MRS. CATHERINE ANN JOHNSTON MA, LPC, NCC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 43902 WOODWARD AVE SUITE 110 BLOOMFIELD HILLS, MI 48302
- Location Phone
- (248) 338-1700
- Mailing Address
- 5829 CLEARVIEW DR TROY, MI 48098
- Mailing Phone
- (248) 225-1879
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-16-2007
- Last Update Date
- 07-08-2007
- 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 Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 6401008984
- License State
- MI
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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 1700920295, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).
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 55 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 18 providers are registered at the same or a nearby location.
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD TOWNSHIP, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
BLOOMFIELD HILLS, MI 48302
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700920295, enumerated as an "individual" on February 16, 2007.
The provider is located at 43902 WOODWARD AVE SUITE 110 BLOOMFIELD HILLS, MI 48302 and the phone number is (248) 338-1700.
Counselor with taxonomy code 101YP2500X and a focus in Professional.
