DR. MARK LEONARD KATZ M.D.
NPI 1558478941
Psychiatry & Neurology - Addiction Psychiatry in Long Beach, CA
NPI Status: Active since August 23, 2006
Contact Information
5901 E 7TH ST
MAILCODE #006/116A - MENTAL HEALTH CG
LONG BEACH, CA
ZIP 90822
Phone: (562) 826-8000
Fax: (562) 826-5431
- Individual
- Male
- Psychiatry & Neurology
- Addiction Psychiatry
About MARK KATZ
This page provides the complete NPI Profile along with additional information for Mark Katz, a provider established in Long Beach, California with a medical specialization in Psychiatry & Neurology, focusing in addiction psychiatry . The healthcare provider is registered in the NPI registry with number 1558478941 assigned on August 2006. The practitioner's primary taxonomy code is 2084P0802X with license number G 62277 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1558478941
- Provider Name
- DR. MARK LEONARD KATZ M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 5901 E 7TH ST MAILCODE #006/116A - MENTAL HEALTH CG LONG BEACH, CA 90822
- Location Phone
- (562) 826-8000
- Location Fax
- (562) 826-5431
- Mailing Address
- 5901 E 7TH ST MAILCODE #006/116A - MENTAL HEALTH CG LONG BEACH, CA 90822
- Mailing Phone
- (562) 826-8000
- Mailing Fax
- (562) 826-5431
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-23-2006
- 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
Psychiatry & Neurology Addiction Psychiatry
- Taxonomy Code
- 2084P0802X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G 62277
- License State
- CA
- Taxonomy Description
- Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
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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 1558478941, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).
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 79 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
LONG BEACH, CA 90822
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1558478941, enumerated as an "individual" on August 23, 2006.
The provider is located at 5901 E 7TH ST MAILCODE #006/116A - MENTAL HEALTH CG LONG BEACH, CA 90822 and the phone number is (562) 826-8000.
Psychiatry & Neurology with taxonomy code 2084P0802X and a focus in Addiction Psychiatry.
