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LOS ALTOS SURGERY CENTER LLC
NPI 1427166990
Clinic/Center - Ambulatory Surgical in Los Altos, CA

Active since August 26, 2006CLIA Certified · 2 labs
795 ALTOS OAKS DR, LOS ALTOS, CA 94024(650) 209-5894(650) 209-1110 Get Directions Write a Review

NPPES record last updated: June 24, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 24, 2025, Dec 25, 2024, Jun 21, 2023 and 6 more (9 updates tracked since 2020).

About Los Altos Surgery Center Llc NPPES

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

LOS ALTOS SURGERY CENTER LLC (NPI 1427166990) is a healthcare organization registered as an ambulatory surgical in Los Altos, California and active in the NPI registry since August 2006. The organization holds 2 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Barbara Lee Roth, Vice President, as its authorized official.

NPPES Registry Identity

NPI1427166990
Entity TypeOrganization
Primary Taxonomy261QA1903X
Legal Business NameLOS ALTOS SURGERY CENTER LLC
Location Address795 ALTOS OAKS DRLos Altos, CA 94024-5428
Mailing Address1871 Martin AveSanta Clara, CA 95050-2501 · (650) 941-8888 · Fax (650) 209-1110
Phone(650) 209-5894
Fax(650) 209-1110
Organization SubpartNo
Authorized OfficialBarbara Lee RothVice President · (408) 761-5847
Enumeration DateAugust 26, 2006
Last NPPES UpdateJune 24, 20259 updates tracked since enumeration
NPPES CertifiedJune 24, 2025
✔ NPI 1427166990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Ambulatory SurgicalAmbulatory Health Care Facilities
Taxonomy Code261QA1903X
License✔ Licensed in CA · 220000309
Also ListedClinic/CenterTaxonomy 261Q00000X
795 ALTOS OAKS DR, Los Altos, CA 94024
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11154 N Euclid StAnaheim, CA 92801-1955 · Phone (408) 761-5847
Location 214642 Newport Ave Ste 100Tustin, CA 92780-6058 · Phone (657) 505-1515

Medicare Participation & PECOS CMS

Medicare enrollment and revalidation status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Los Altos Surgery Center Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20040827000584Non-DME Part B · Ambulatory Surgical CenterDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

CLIA Laboratory Certificates CMS CLIA 2

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 05D2296146

Los Altos Surgery Center LLC · Anaheim, CA
Active · expires Dec 20, 2027
CLIA Number05D2296146
Laboratory TypeAssisted Living Facility
Certificate Effective DateDecember 21, 2025
Certificate Expiration DateDecember 20, 2027
Laboratory DirectorMirza Iqbal
Laboratory Phone(408) 761-5847
Laboratory LocationLos Altos Surgery Center LLC1154 North Euclid Street, Anaheim, CA 92801
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 05D2032154

Los Altos Surgery Center · Los Altos, CA
Active · expires Nov 3, 2027
CLIA Number05D2032154
Laboratory TypeAmbulance
Certificate Effective DateNovember 4, 2025
Certificate Expiration DateNovember 3, 2027
Laboratory DirectorChristopher, Viale
Laboratory Phone(650) 209-5894
Laboratory LocationLos Altos Surgery Center795 Altos Oaks Dr, Los Altos, CA 94024
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 5

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.

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.
65 services64 patients
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.
59 services57 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.
55 services53 patients
Removal of cataract with insertion of prosthetic lens 66984
This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.
24 services14 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.
16 services16 patients

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. MICHAEL W. CROFT PT
Physical Therapist
795 ALTOS OAKS DR
LOS ALTOS, CA 94024
Santa Clara County (650) 947-9646
HARRY MITTELMAN, MD A PROF. CORP
Otolaryngology (Facial Plastic Surgery)
795 ALTOS OAKS DR
LOS ALTOS, CA 94024
Santa Clara County (650) 209-1100
DR. HARRY MITTELMAN MD
Otolaryngology (Facial Plastic Surgery)
795 ALTOS OAKS DR
LOS ALTOS, CA 94024
Santa Clara County (626) 814-9604

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 Los Altos Surgery Center LLC's NPI number?

The NPI number for Los Altos Surgery Center LLC is 1427166990. It was assigned to this organization in the NPPES registry on August 26, 2006.

Where is Los Altos Surgery Center LLC located?

Los Altos Surgery Center LLC is located at 795 Altos Oaks Dr, Los Altos, CA 94024. The listed phone number is (650) 209-5894.

What is Los Altos Surgery Center LLC's specialty?

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

Is Los Altos Surgery Center LLC enrolled in Medicare?

Yes. Los Altos Surgery Center LLC is registered in the Medicare PECOS enrollment system.

When is Los Altos Surgery Center LLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Ambulatory Surgical Center) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

Does Los Altos Surgery Center LLC hold CLIA laboratory certificates?

Yes. 2 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 Los Altos Surgery Center LLC was last updated on June 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.