DR. RONALD ALAN GERSHMAN M.D.
NPI 1699145045
Psychiatry & Neurology - Addiction Psychiatry in Los Angeles, CA
NPI Status: Active since September 28, 2015
Contact Information
12300 WILSHIRE BLVD
SUITE 310
LOS ANGELES, CA
ZIP 90025
Phone: (310) 207-7166
- Individual
- Male
- Psychiatry & Neurology
- Addiction Psychiatry
About RONALD GERSHMAN
This page provides the complete NPI Profile along with additional information for Ronald Gershman, a provider established in Los Angeles, California with a medical specialization in Psychiatry & Neurology, focusing in addiction psychiatry . The healthcare provider is registered in the NPI registry with number 1699145045 assigned on September 2015. The practitioner's primary taxonomy code is 2084P0802X with license number G29716 (CA). The provider is registered as an individual and his NPI record was last updated 11 years ago.
- NPI
- 1699145045
- Provider Name
- DR. RONALD ALAN GERSHMAN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 12300 WILSHIRE BLVD SUITE 310 LOS ANGELES, CA 90025
- Location Phone
- (310) 207-7166
- Mailing Address
- 12300 WILSHIRE BLVD SUITE 310 LOS ANGELES, CA 90025
- Mailing Phone
- (310) 207-7166
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-28-2015
- Last Update Date
- 09-28-2015
- 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.
- G29716
- 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 1699145045, 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 6 providers are registered at the same or a nearby location.
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
LOS ANGELES, CA 90025
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1699145045, enumerated as an "individual" on September 28, 2015.
The provider is located at 12300 WILSHIRE BLVD SUITE 310 LOS ANGELES, CA 90025 and the phone number is (310) 207-7166.
Psychiatry & Neurology with taxonomy code 2084P0802X and a focus in Addiction Psychiatry.
