Individual provider Active NPI

Christopher Sirivoranankul, MD

  • Anesthesiology Physician
  • Los Angeles, CA
National Provider Identifier
1891299863
Registry record updated Oct 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Anesthesiology PhysicianTaxonomy code 207L00000X
License
A165692 Issued in CA
Practice address
2051 Marengo St.
Ipt C4E100
Los Angeles, CA 90033
Phone
(323) 409-7748
NPI assigned
Mar 22, 2018
Last updated
Oct 1, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X A165692 CA Primary

Addresses

Primary practice location

2051 Marengo St.
Ipt C4E100
Los Angeles, CA 90033

Mailing address

2051 Marengo St # C4E100
Los Angeles, CA 90033-1352

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20231030003369 CA Practitioner - Anesthesiology 9638525470 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Anesthesiology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
G2 Anesthesia PCGroup PAC ID 3375873599, 104 clinicians

Practice addresses (Care Compare)

2425 Samaritan Dr
San Jose, CA 95124-3908
Phone (408) 559-2011

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
Children's Hospital Los Angeles Medical Group, Inc. Single Specialty CurrentSince Sep 1, 2023 Accepting new patients
G2 Anesthesia PC Single Specialty CurrentSince Apr 28, 2024 Accepting new patients
Forest Anesthesia Medical Group Inc Single Specialty Past Accepting new patients
County of Santa Clara Past Accepting new patients
Cep America - Anesthesia PC Anesthesiology Past Accepting new patients
Lacusc Medical Center Anesthesiology Past Accepting new patients
Childrens Hospital of Los Angeles Past Accepting new patients
Joan Oloff D P M Inc Single Specialty Past Accepting new patients
Lac Usc Medical Center Single Specialty Past Accepting new patients
Children's Hospital Los Angeles Past Accepting new patients
Los Gatos Oral & Facial Surgery PastSince Aug 28, 2022 Accepting new patients
Bradley B. Hill, MD a Professional Corporation Single Specialty PastSince Jan 19, 2020 Accepting new patients
Lac Usc Past Accepting new patients

Locations

3803 S Bascom Ave
Ste 100
Campbell, CA 95008
Phone (408) 559-7177

429 Llewellyn Ave
Campbell, CA 95008
Phone (408) 358-5000

4650 W Sunset Blvd
Los Angeles, CA 90027
Phone (323) 361-2122

4650 W Sunset Blvd
#87
Los Angeles, CA 90027

15195 National Ave
Ste 100
Los Gatos, CA 95032
Phone (408) 356-0454

15780 Los Gatos Blvd
Los Gatos, CA 95032
Phone (408) 358-5000

3370 Geary Blvd
San Francisco, CA 94118
Phone (415) 379-7500

2400 Samaritan Dr
Ste 206
San Jose, CA 95124
Phone (408) 369-9300

2425 Samaritan Dr
San Jose, CA 95124
Phone (408) 354-2114

133 La Casa Via
Ste 150
Walnut Creek, CA 94598
Phone (925) 210-8400

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 13

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1521676800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790812800000",
    "number": "1891299863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2051 MARENGO ST # C4E100",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900331352"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2051 MARENGO ST.",
            "address_2": "IPT C4E100",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "90033",
            "telephone_number": "323-409-7748"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIRIVORANANKUL",
        "first_name": "CHRISTOPHER",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2018-03-22",
        "last_updated": "2026-10-01",
        "certification_date": "2026-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CA",
            "license": "A165692",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.