Active NPI
Christopher Sirivoranankul, MD
- Anesthesiology Physician
- Los Angeles, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- A165692
- Practice address
- 2051 Marengo St.
Ipt C4E100
Los Angeles, CA 90033 - Phone
- (323) 409-7748
- NPI assigned
- Mar 22, 2018
- Last updated
- Oct 1, 2026
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Anesthesiology
- Education
- Other, 2018
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Children's Hospital Los Angeles Medical Group, Inc. | Single Specialty | Current | Accepting new patients |
| G2 Anesthesia PC | Single Specialty | Current | 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 | Past | Accepting new patients | |
| Bradley B. Hill, MD a Professional Corporation | Single Specialty | Past | 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.
-
- Multi-Specialty Clinic/Center
- Los Angeles, CA
- NPI 1265530653
Single Specialty
-
dba Hill Vascular and Vein Center
- Vascular Surgery Physician
- Campbell, CA
- NPI 1649800731
Single Specialty
-
- Children's Chronic Disease Hospital
- Los Angeles, CA
- NPI 1366527954
-
- Children's Hospital
- Los Angeles, CA
- NPI 1124073366
-
dba Inpatient Acute/Outpatient Facility Services
- General Acute Care Hospital
- San Jose, CA
- NPI 1063406551
-
- Anesthesiology Physician
- San Jose, CA
- NPI 1023288131
Single Specialty
-
dba Los Gatos Foot and Ankle Center
- Podiatrist
- Los Gatos, CA
- NPI 1225257728
Single Specialty
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1881042141
-
- Anesthesiology Physician
- Los Angeles, CA
- NPI 1114372570
-
- Oral & Maxillofacial Surgery (D.M.D.)
- Los Gatos, CA
- NPI 1558080838
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Good Samaritan Hospital
- General Acute Care Hospital
- San Jose, CA
- NPI 1437103777
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- 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.