ADVANCED MULTISPECIALTY SURGERY CENTER, LLC
NPI 1023391141
Clinic/Center - Ambulatory Surgical in Los Angeles, CA
NPI Status: Active since September 25, 2011
Contact Information
1015 GAYLEY AVE STE 105
LOS ANGELES, CA
ZIP 90024
Phone: (310) 289-7770
Fax: (310) 289-7771
- Organization
- Clinic/Center
- Ambulatory Surgical
- CLIA Number: 05D2034254
- CLIA Cert. Type: Ambulatory Surgery Center
- CLIA Exp. Date: 12-19-2027
About ADVANCED MULTISPECIALTY SURGERY CENTER, LLC
This page provides the complete NPI Profile along with additional information for Advanced Multispecialty Surgery Center, Llc, a provider established in Los Angeles, California operating as a Clinic/center, focusing in ambulatory surgical . The healthcare provider is registered in the NPI registry with number 1023391141 assigned on September 2011. The practitioner's primary taxonomy code is 261QA1903X. The provider is registered as an organization and their NPI record was last updated 4 years ago. The authorized official of this NPI record is Dr. Christopher Zahiri M.d. (Owner/medical Director)
- NPI
- 1023391141
- Provider Name
- ADVANCED MULTISPECIALTY SURGERY CENTER, LLC
- Entity Type
- Organization
- Location Address
- 1015 GAYLEY AVE STE 105 LOS ANGELES, CA 90024
- Location Phone
- (310) 289-7770
- Location Fax
- (310) 289-7771
- Mailing Address
- 1015 GAYLEY AVE STE 105 LOS ANGELES, CA 90024
- Mailing Phone
- (310) 289-7770
- Mailing Fax
- (310) 289-7771
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 09-25-2011
- Last Update Date
- 05-18-2022
- 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
Clinic/Center Ambulatory Surgical
- Taxonomy Code
- 261QA1903X
- Type
- Ambulatory Health Care Facilities
CLIA Information
The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:
- CLIA Number
- 05D2034254
- Facility Type
- Ambulatory Surgery Center
- Certificate Effective Date
- December 20, 2025
- Certificate Expiration Date
- December 19, 2027
- Laboratory Director
- CHRISTOPHER ZAHIRI
- Certificate Type
- Certificate of Waiver
- Certificate Type Description
- This CLIA certificate is issued to Advanced Multispecialty Surgery Center, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.
Reviews for ADVANCED MULTISPECIALTY SURGERY CENTER, LLC
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 1023391141, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1023391141, enumerated as an "organization" on September 25, 2011.
The provider is located at 1015 GAYLEY AVE STE 105 LOS ANGELES, CA 90024 and the phone number is (310) 289-7770.
Clinic/Center with taxonomy code 261QA1903X and a focus in Ambulatory Surgical.
