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NATIONAL AMBULATORY SURGERY CENTER, LLC
NPI 1649500950
Clinic/Center - Ambulatory Surgical in Los Gatos, CA

Active since January 08, 2010CLIA Certified · 4 labs
15251 NATIONAL AVE STE 207, LOS GATOS, CA 95032(408) 358-1555(408) 358-1999 Get Directions Write a Review

NPPES record last updated: February 5, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Feb 5, 2025, Nov 20, 2024, Jul 9, 2023 and 5 more (8 updates tracked since 2021).

About National Ambulatory Surgery Center, Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATIONAL AMBULATORY SURGERY CENTER, LLC (NPI 1649500950) is a healthcare organization registered as an ambulatory surgical in Los Gatos, California and active in the NPI registry since January 2010. The organization holds 4 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Barbara Lee Roth, Vp Of Clinical Operations, as its authorized official.

NPPES Registry Identity

NPI1649500950
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameNATIONAL AMBULATORY SURGERY CENTER, LLC
Location Address15251 NATIONAL AVE STE 207Los Gatos, CA 95032-2400
Mailing Address1871 Martin Ave Fl 2Santa Clara, CA 95050-2501 · (408) 358-1555 · Fax (408) 358-1999
Phone(408) 358-1555
Fax(408) 358-1999
Organization SubpartNo
Authorized OfficialBarbara Lee RothVp Of Clinical Operations · (408) 988-0105
Enumeration DateJanuary 8, 2010
Last NPPES UpdateFebruary 5, 20258 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2025
✔ NPI 1649500950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
15251 NATIONAL AVE STE 207, Los Gatos, CA 95032
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Secondary Practice Locations 3

Location 14005 Mission Oaks Blvd Unit BCamarillo, CA 93012-5156 · Phone (805) 275-0200
Location 2302 W La Veta Ave Ste 100Orange, CA 92866-2607 · Phone (408) 761-5847
Location 31125 S Beverly Dr Ste 505Los Angeles, CA 90035-1183 · Phone (424) 340-5559 · Fax (424) 340-5540

CLIA Laboratory Certificates CMS CLIA 4

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2263525

National Ambulatory Surgery Center, LLC · Camarillo, CA
Active · expires Jun 28, 2028
CLIA Number05D2263525
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateJune 29, 2026
Certificate Expiration DateJune 28, 2028
Laboratory DirectorMicha Rojany
Laboratory Phone(408) 761-5847
Laboratory LocationNational Ambulatory Surgery Center, LLC4005 Mission Oaks Blvd Unit B, Camarillo, CA 93012
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2298802

National Ambulatory Surgery Center LLC · Los Angeles, CA
Active · expires Feb 7, 2028
CLIA Number05D2298802
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateFebruary 8, 2026
Certificate Expiration DateFebruary 7, 2028
Laboratory DirectorRuel Garcia
Laboratory Phone(408) 761-5847
Laboratory LocationNational Ambulatory Surgery Center LLC1125 S Beverly Dr, Ste 505, Los Angeles, CA 90035
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2047442

National Ambulatory Surgery Center, LLC · Los Gatos, CA
Active · expires Sep 23, 2026
CLIA Number05D2047442
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateSeptember 24, 2024
Certificate Expiration DateSeptember 23, 2026
Laboratory DirectorBhargava Gannavarapu
Laboratory Phone(408) 358-1555
Laboratory LocationNational Ambulatory Surgery Center, LLC15251 National Ave Ste 207, Los Gatos, CA 95032
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2277355

National Ambulatory Surgery Center LLC · Orange, CA
Active · expires Feb 23, 2027
CLIA Number05D2277355
Laboratory TypeAmbulatory Surgery Center
Certificate Effective DateFebruary 24, 2025
Certificate Expiration DateFebruary 23, 2027
Laboratory DirectorAlaa Abousaif
Laboratory Phone(657) 223-9014
Laboratory LocationNational Ambulatory Surgery Center LLC302 W La Veta Ave, Suite 100, Orange, CA 92866
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
691 services685 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
569 services565 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
568 services552 patients
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121
Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.
115 services114 patients
Colorectal cancer screening; colonoscopy on individual at high risk G0105
Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.
109 services109 patients
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare 43251
This procedure involves the use of a thin, flexible instrument called an endoscope to visualize and remove abnormal growths, known as polyps, from the esophagus, stomach, or upper small bowel. A tool called a mechanical snare is used to safely cut and remove these growths.
101 services99 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is National Ambulatory Surgery Center, LLC's NPI number?

The NPI number for National Ambulatory Surgery Center, LLC is 1649500950. It was assigned to this organization in the NPPES registry on January 8, 2010.

Where is National Ambulatory Surgery Center, LLC located?

National Ambulatory Surgery Center, LLC is located at 15251 National Ave Ste 207, Los Gatos, CA 95032. The listed phone number is (408) 358-1555.

What is National Ambulatory Surgery Center, LLC's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ambulatory Surgical, with taxonomy code 261QA1903X.

Does National Ambulatory Surgery Center, LLC hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for National Ambulatory Surgery Center, LLC was last updated on February 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.