DR. RANDY THANH NGUYEN MD
NPI 1487399085
Emergency Medicine in San Francisco, CA
NPI Status: Active since April 28, 2022
Contact Information
1001 POTRERO AVENUE
BLDG. 25, 1ST FLOOR
SAN FRANCISCO, CA
ZIP 94110
Phone: (628) 206-8111
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Emergency Medicine
About RANDY NGUYEN
This page provides the complete NPI Profile along with additional information for Randy Nguyen, a provider established in San Francisco, California with a medical specialization in Emergency Medicine. The healthcare provider is registered in the NPI registry with number 1487399085 assigned on April 2022. The practitioner's primary taxonomy code is 207P00000X with license number A209779 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1487399085
- Provider Name
- DR. RANDY THANH NGUYEN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1001 POTRERO AVENUE BLDG. 25, 1ST FLOOR SAN FRANCISCO, CA 94110
- Location Phone
- (628) 206-8111
- Mailing Address
- 1001 POTRERO AVENUE BLDG. 25, FIRST FLOOR SAN FRANCISCO, CA 94110
- Mailing Phone
- (628) 206-8111
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-28-2022
- Last Update Date
- 06-09-2026
- Code Navigator
Location Map
Secondary Locations
- 100 High St
Buffalo, NY 14203
(716) 859-5600
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
Emergency Medicine
- Taxonomy Code
- 207P00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A209779
- License State
- CA
- Taxonomy Description
- An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
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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 1487399085, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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 75 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
SAN FRANCISCO, CA 94110
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1487399085, enumerated as an "individual" on April 28, 2022.
The provider is located at 1001 POTRERO AVENUE BLDG. 25, 1ST FLOOR SAN FRANCISCO, CA 94110 and the phone number is (628) 206-8111.
Emergency Medicine with taxonomy code 207P00000X.
