LEONARD W LIANG MD A MEDICAL CORPORATION
NPI 1033323290
Specialist in Los Angeles, CA
NPI Status: Active since May 09, 2007
Contact Information
1513 S GRAND AVE
SUITE 300
LOS ANGELES, CA
ZIP 90015
Phone: (213) 749-0662
Fax: (213) 748-7254
- Organization
- Specialist
About LEONARD W LIANG MD A MEDICAL CORPORATION
This page provides the complete NPI Profile along with additional information for Leonard W Liang Md A Medical Corporation, a provider established in Los Angeles, California operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1033323290 assigned on May 2007. The practitioner's primary taxonomy code is 174400000X with license number A66024 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Leonard W Liang Md A Medical Corporation operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Leonard W. Liang M.d. (Ceo)
- NPI
- 1033323290
- Provider Name
- LEONARD W LIANG MD A MEDICAL CORPORATION
- Entity Type
- Organization
- Location Address
- 1513 S GRAND AVE SUITE 300 LOS ANGELES, CA 90015
- Location Phone
- (213) 749-0662
- Location Fax
- (213) 748-7254
- Mailing Address
- 46 VIA CAPRI RANCHO PALOS VERDES, CA 90275
- Mailing Phone
- (213) 484-1140
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 05-09-2007
- Last Update Date
- 08-12-2025
- 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
Specialist
- Taxonomy Code
- 174400000X
- Type
- Other Service Providers
- License No.
- A66024
- License State
- CA
- Taxonomy Description
- An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Group Taxonomy 193200000X MULTI-SPECIALTY GROUP
This provider is a business group of one or more individual practitioners, who practice with different areas 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 1033323290, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 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 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1033323290, enumerated as an "organization" on May 09, 2007.
The provider is located at 1513 S GRAND AVE SUITE 300 LOS ANGELES, CA 90015 and the phone number is (213) 749-0662.
Specialist with taxonomy code 174400000X.
