DR. ALEX NGAN MD
NPI 1083298251
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Los Angeles, CA
NPI Status: Active since May 12, 2021
Contact Information
1540 ALCAZAR ST
LOS ANGELES, CA
ZIP 90089
Phone: (323) 442-5743
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Orthopaedic Surgery
- Orthopaedic Surgery of the Spine
About ALEX NGAN
This page provides the complete NPI Profile along with additional information for Alex Ngan, a provider established in Los Angeles, California with a medical specialization in Orthopaedic Surgery, focusing in orthopaedic surgery of the spine . The healthcare provider is registered in the NPI registry with number 1083298251 assigned on May 2021. The practitioner's primary taxonomy code is 207XS0117X with license number A207777 (CA). The provider is registered as an individual and his NPI record was last updated June 2026.
- NPI
- 1083298251
- Provider Name
- DR. ALEX NGAN MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1540 ALCAZAR ST LOS ANGELES, CA 90089
- Location Phone
- (323) 442-5743
- Mailing Address
- 1540 ALCAZAR ST LOS ANGELES, CA 90089
- Mailing Phone
- (661) 363-3099
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-12-2021
- Last Update Date
- 06-24-2026
- 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
Orthopaedic Surgery Orthopaedic Surgery of the Spine
- Taxonomy Code
- 207XS0117X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A207777
- License State
- CA
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Reviews for DR. ALEX NGAN MD
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1083298251, 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 20 providers are registered at the same or a nearby location.
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
LOS ANGELES, CA 90089
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1083298251, enumerated as an "individual" on May 12, 2021.
The provider is located at 1540 ALCAZAR ST LOS ANGELES, CA 90089 and the phone number is (323) 442-5743.
Orthopaedic Surgery with taxonomy code 207XS0117X and a focus in Orthopaedic Surgery of the Spine.
