SEPEHR NASSIRI
NPI 1508746611
Internal Medicine - Gastroenterology in West Hollywood, CA
NPI Status: Active since September 08, 2025
Contact Information
8720 BEVERLY BLVD
WEST HOLLYWOOD, CA
ZIP 90048
Phone: (310) 423-6143
- Individual
- Male
- Internal Medicine
- Gastroenterology
About SEPEHR NASSIRI
This page provides the complete NPI Profile along with additional information for Sepehr Nassiri, an internist established in West Hollywood, California with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1508746611 assigned on September 2025. The practitioner's primary taxonomy code is 207RG0100X with license number A204866 (CA). The provider is registered as an individual and his NPI record was last updated one year ago. 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
- 1508746611
- Provider Name
- SEPEHR NASSIRI
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 8720 BEVERLY BLVD WEST HOLLYWOOD, CA 90048
- Location Phone
- (310) 423-6143
- Mailing Address
- 734 N ALFRED ST APT 5 LOS ANGELES, CA 90069
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-08-2025
- Last Update Date
- 09-08-2025
- Code Navigator
An internist like Sepehr Nassiri is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
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
Internal Medicine Gastroenterology
- Taxonomy Code
- 207RG0100X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A204866
- License State
- CA
- Taxonomy Description
- An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
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 1508746611, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
LOS ANGELES, CA 90048
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1508746611, enumerated as an "individual" on September 08, 2025.
The provider is located at 8720 BEVERLY BLVD WEST HOLLYWOOD, CA 90048 and the phone number is (310) 423-6143.
Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.
