MR. THOMAS J. JOHNSTON RN
NPI 1972812733
Clinic/Center - Adult Mental Health in Brooklyn, NY
NPI Status: Active since September 28, 2010
Contact Information
25 FLATBUSH AVE
BROOKLYN, NY
ZIP 11217
Phone: (718) 875-1420
Fax: (718) 875-5496
- Individual
- Male
- Clinic/Center
- Adult Mental Health
About THOMAS JOHNSTON
This page provides the complete NPI Profile along with additional information for Thomas Johnston, a provider established in Brooklyn, New York with a medical specialization in Clinic/center, focusing in adult mental health . The healthcare provider is registered in the NPI registry with number 1972812733 assigned on September 2010. The practitioner's primary taxonomy code is 261QM0850X with license number 329882 (NY). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1972812733
- Provider Name
- MR. THOMAS J. JOHNSTON RN
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 25 FLATBUSH AVE BROOKLYN, NY 11217
- Location Phone
- (718) 875-1420
- Location Fax
- (718) 875-5496
- Mailing Address
- 25 FLATBUSH AVE BROOKLYN, NY 11217
- Mailing Phone
- (718) 875-1420
- Mailing Fax
- (718) 875-5496
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-28-2010
- Last Update Date
- 09-28-2010
- 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
Clinic/Center Adult Mental Health
- Taxonomy Code
- 261QM0850X
- Type
- Ambulatory Health Care Facilities
- License No.
- 329882
- License State
- NY
- Taxonomy Description
- An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to mental and behavioral disorders in adults.
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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 1972812733, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.
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 67 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 7 providers are registered at the same or a nearby location.
BROOKLYN, NY 11217
BROOKLYN, NY 11217
BROOKLYN, NY 11217
BROOKLYN, NY 11217
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1972812733, enumerated as an "individual" on September 28, 2010.
The provider is located at 25 FLATBUSH AVE BROOKLYN, NY 11217 and the phone number is (718) 875-1420.
Clinic/Center with taxonomy code 261QM0850X and a focus in Adult Mental Health.
