National Ambulatory Surgery Center, LLC

Primary specialty

Ambulatory Surgical Clinic/CenterTaxonomy code 261QA1903X

Legal business name

NATIONAL AMBULATORY SURGERY CENTER, LLC

Practice address

15251 National Ave Ste 207
Los Gatos, CA 95032-2400

Phone

(408) 358-1555

Fax

(408) 358-1999

NPI assigned

Jan 8, 2010

Last updated

Feb 5, 2025By the provider in NPPES

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Barbara Lee Roth, REGISTERED NURSE

Title

VP of Clinical Operations

Phone

(408) 988-0105

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA3 enrollments

Enrollment records 3

NPI to CCN mapping 1

The Medicare certification numbers (CCNs) connected to NPI 1649500950. Details of each certification follow.

• CCN 55C0001184 Ambulatory surgical center · Active · Name & address match · Details

Ambulatory surgical center certification: CCN 55C0001184

Legal name

National Ambulatory Surgery Center

Certification status

Active

Provider type (POS)

Ambulatory surgical center

Participating since

Jun 4, 2025

Last certification

May 7, 2025

Facility address

302 W La Veta Ave
Orange, CA 92866

Listed as

National Ambulatory Surgery Center LLCCCN 05C0001148

Medicare certification status

ActiveFrom the Provider of Services file

Listed as

National Ambulatory Surgery Center LLCCCN 55C0001111

Medicare certification status

ActiveFrom the Provider of Services file

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 64

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Shahram Shawn Gholami, MD

  • Urology Physician
  • San Jose, CA
  • NPI 1932272804
  NPD
• Micha Rojany, MD

  • Gastroenterology Physician
  • Sacramento, CA
  • NPI 1073553681
  NPD
• Ayman Mohamed M Lotfy Ads, M.D.

  • Anesthesiology Physician
  • Riverside, CA
  • NPI 1467488023
  NPD (past)
• Ana Guadalupe Armenta

  • Certified Registered Nurse Anesthetist
  • Los Angeles, CA
  • NPI 1215306576
  NPD (past)
• Michael Anthony Baray, CRNA

  • Certified Registered Nurse Anesthetist
  • Sacramento, CA
  • NPI 1962098046
  NPD (past)
• Rachel Anne Baray, CRNA

  • Certified Registered Nurse Anesthetist
  • Orange, CA
  • NPI 1891342440
  NPD (past)
• Ruchama Barkai, CRNA

  • Certified Registered Nurse Anesthetist
  • Riverside, CA
  • NPI 1275304578
  NPD (past)
• Marvin James Lopez Barruga, CRNA

  • Certified Registered Nurse Anesthetist
  • Monterey Park, CA
  • NPI 1548345143
  NPD (past)
• Jacquelyn M Bell, CRNA

  • Certified Registered Nurse Anesthetist
  • Los Angeles, CA
  • NPI 1932618089
  NPD (past)
• Elisha Bilsborough, CRNA

  • Certified Registered Nurse Anesthetist
  • Los Angeles, CA
  • NPI 1215529003
  NPD (past)
• Calvin John Blasco, CRNA

  • Certified Registered Nurse Anesthetist
  • San Gabriel, CA
  • NPI 1275078958
  NPD (past)
• Jennifer R Davoudi, CRNA

  • Certified Registered Nurse Anesthetist
  • San Jose, CA
  • NPI 1407905920
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1262908800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1738713600000",
    "number": "1649500950",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1871 MARTIN AVE FL 2",
            "city": "SANTA CLARA",
            "state": "CA",
            "postal_code": "950502501",
            "telephone_number": "408-358-1555",
            "fax_number": "408-358-1999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15251 NATIONAL AVE STE 207",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950322400",
            "telephone_number": "408-358-1555",
            "fax_number": "408-358-1999"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4005 Mission Oaks Blvd Unit B",
            "address_purpose": "LOCATION",
            "city": "Camarillo",
            "state": "CA",
            "postal_code": "930125156",
            "country_code": "US",
            "telephone_number": "805-275-0200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "302 W La Veta Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CA",
            "postal_code": "928662607",
            "country_code": "US",
            "telephone_number": "408-761-5847",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1125 S Beverly Dr Ste 505",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900351183",
            "country_code": "US",
            "telephone_number": "424-340-5559",
            "fax_number": "424-340-5540",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "NATIONAL AMBULATORY SURGERY CENTER, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2010-01-08",
        "last_updated": "2025-02-05",
        "certification_date": "2025-02-05",
        "status": "A",
        "authorized_official_last_name": "ROTH",
        "authorized_official_first_name": "BARBARA",
        "authorized_official_middle_name": "LEE",
        "authorized_official_title_or_position": "VP OF CLINICAL OPERATIONS",
        "authorized_official_telephone_number": "408-988-0105",
        "authorized_official_credential": "REGISTERED NURSE"
    },
    "taxonomies": [
        {
            "code": "261QA1903X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Ambulatory Surgical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cheryl Anne Nalevka, MPT
• Manuj Kumar Nangia, MD
• Sathyasri Narasimhan
• Surabhi Narayan, M.D
• Jyothsna Narla, M.D.
• National Foot and Ankle Center Professional Corporation
• National Foot and Ankle Prof Inc.
• Kathleen Nava, PT
• Amanda Denise Navarro, MSW
• Olivia Nayler

• Ambulatory Surgical Clinic/Center in Los Gatos, CA
• Providers in Los Gatos, CA by specialty
• Ambulatory Surgical Clinic/Center in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.