DR. KEITH PATRICK KLEIN MA
NPI 1285250530
Psychologist - Cognitive & Behavioral in Malden, MA
NPI Status: Active since June 23, 2020
Contact Information
23 TAYLOR ST
MALDEN, MA
ZIP 02148
Phone: (712) 540-0936
- Individual
- Male
- Psychologist
- Cognitive & Behavioral
About KEITH KLEIN
This page provides the complete NPI Profile along with additional information for Keith Klein, a provider established in Malden, Massachusetts with a medical specialization in Psychologist, focusing in cognitive & behavioral . The healthcare provider is registered in the NPI registry with number 1285250530 assigned on June 2020. The practitioner's primary taxonomy code is 103TB0200X with license number 5000429 (MA). The provider is registered as an individual and his NPI record was last updated February 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.
- NPI
- 1285250530
- Provider Name
- DR. KEITH PATRICK KLEIN MA
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 23 TAYLOR ST MALDEN, MA 02148
- Location Phone
- (712) 540-0936
- Mailing Address
- 23 TAYLOR ST MALDEN, MA 02148
- Mailing Phone
- (712) 540-0936
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 06-23-2020
- Last Update Date
- 02-23-2026
- 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
Psychologist Cognitive & Behavioral
- Taxonomy Code
- 103TB0200X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 5000429
- License State
- MA
- Taxonomy Description
- A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1285250530, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1285250530, enumerated as an "individual" on June 23, 2020.
The provider is located at 23 TAYLOR ST MALDEN, MA 02148 and the phone number is (712) 540-0936.
Psychologist with taxonomy code 103TB0200X and a focus in Cognitive & Behavioral.
