Los Altos Surgery Center LLC
NPI 1427166990 · Ambulatory Surgical Clinic/Center · Los Altos, CA
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Los Altos Surgery Center LLC is a Ambulatory Surgical Clinic/Center organization in Los Altos, CA (NPI 1427166990).
Provider details
- NPI number
- 1427166990
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Barbara Roth, Vice President(408) 761-5847
Specialties & taxonomies
Ambulatory Health Care Facilities
- Clinic/Center261Q00000X
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
219 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 65 | $459 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 59 | $783 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 55 | $518 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 24 | $1,292 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 16 | $587 |
Typical Medicare-allowed amounts for these services range $459–$1,292 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 1154 N Euclid StAnaheim, CA 92801-1955Phone: (408) 761-5847
- 14642 Newport Ave Ste 100Tustin, CA 92780-6058Phone: (657) 505-1515
Registry dates
- Enumerated
- 2006-08-26
- Last updated
- 2025-06-24
- Certified
- 2025-06-24
Frequently asked questions
- What is Los Altos Surgery Center LLC's NPI number?
- Los Altos Surgery Center LLC's National Provider Identifier (NPI) is 1427166990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Los Altos Surgery Center LLC?
- Los Altos Surgery Center LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is Los Altos Surgery Center LLC located?
- Los Altos Surgery Center LLC's practice location on file with NPPES is 795 Altos Oaks Dr, Los Altos, CA 94024-5428.
- What is Los Altos Surgery Center LLC's phone number?
- The practice phone number listed in the NPPES registry for Los Altos Surgery Center LLC is (650) 209-5894.
- Does Los Altos Surgery Center LLC accept Medicare?
- Los Altos Surgery Center LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Los Altos Surgery Center LLC?
- The authorized official listed on Los Altos Surgery Center LLC's NPPES record is Barbara Roth, Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Los Altos Surgery Center LLC's NPI active?
- Yes — Los Altos Surgery Center LLC's NPI (1427166990) is active in the NPPES registry as of the last update on 2025-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.