National Ambulatory Surgery Center, LLC
NPI 1649500950 · Ambulatory Surgical Clinic/Center · Los Gatos, CA
Enrolled with Medicare as Part B Supplier - Ambulatory Surgical Center · source: CMS PECOS Public Provider Enrollment (2026.04.01)
National Ambulatory Surgery Center, LLC is a Ambulatory Surgical Clinic/Center organization in Los Gatos, CA (NPI 1649500950).
Provider details
- NPI number
- 1649500950
- Entity type
- Organization
- Primary specialty
- Ambulatory Surgical Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Barbara Roth, Vp of Clinical Operations(408) 988-0105
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,358 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 691 | $681 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 569 | $491 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 568 | $372 |
| Colorectal Cancer Screening; Colonoscopy on Individual Not Meeting Criteria for High RiskG0121 | 115 | $564 |
| Colorectal Cancer Screening; Colonoscopy on Individual at High RiskG0105 | 109 | $587 |
Practice location
Mailing address
Additional practice locations (3)
- 4005 Mission Oaks Blvd Unit BCamarillo, CA 93012-5156Phone: (805) 275-0200
- 1125 S Beverly Dr Ste 505Los Angeles, CA 90035-1183Phone: (424) 340-5559Fax: (424) 340-5540
- 302 W La Veta Ave Ste 100Orange, CA 92866-2607Phone: (408) 761-5847
Registry dates
- Enumerated
- 2010-01-08
- Last updated
- 2025-02-05
- Certified
- 2025-02-05
Frequently asked questions
- What is National Ambulatory Surgery Center, LLC's NPI number?
- National Ambulatory Surgery Center, LLC's National Provider Identifier (NPI) is 1649500950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is National Ambulatory Surgery Center, LLC?
- National Ambulatory Surgery Center, LLC is classified in the NPPES registry as Ambulatory Surgical Clinic/Center (Ambulatory Health Care Facilities).
- Where is National Ambulatory Surgery Center, LLC located?
- National Ambulatory Surgery Center, LLC's practice location on file with NPPES is 15251 National Ave Ste 207, Los Gatos, CA 95032-2400.
- What is National Ambulatory Surgery Center, LLC's phone number?
- The practice phone number listed in the NPPES registry for National Ambulatory Surgery Center, LLC is (408) 358-1555.
- Does National Ambulatory Surgery Center, LLC accept Medicare?
- National Ambulatory 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 National Ambulatory Surgery Center, LLC?
- The authorized official listed on National Ambulatory Surgery Center, LLC's NPPES record is Barbara Roth, Vp of Clinical Operations. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is National Ambulatory Surgery Center, LLC's NPI active?
- Yes — National Ambulatory Surgery Center, LLC's NPI (1649500950) is active in the NPPES registry as of the last update on 2025-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.