Active NPI
Max Guan, DO
- Psychiatry Physician
- Torrance, CA
National Provider Identifier
1679218796
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 1679218796
- Practice address
- 21810 Normandie Ave FL 1
Torrance, CA 90502-2047 - Phone
- (424) 492-3300
- NPI assigned
- May 3, 2022
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Student in an Organized Health Care Education/Training Program | 390200000X | |||
| Psychiatry Physician | 2084P0800X | 1679218796 | CA | Primary |
Addresses
Primary practice location
21810 Normandie Ave FL 1
Torrance, CA 90502-2047
Mailing address
13636 Torrington Dr
Frisco, TX 75035-7398
Phone (972) 533-3657
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
- Psychiatry
- Education
- University of Southern California Keck School of Medicine, 2018
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1021 S Garfield Ave
Alhambra, CA 91801-4710
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1679218796 | CA | MD | Psychiatry Physician |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Psychiatry Physician
- Alhambra, CA
- NPI 1689559064
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1651536000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750723200000",
"number": "1679218796",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "13636 TORRINGTON DR",
"city": "FRISCO",
"state": "TX",
"postal_code": "750357398",
"telephone_number": "972-533-3657"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "21810 NORMANDIE AVE FL 1",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905022047",
"telephone_number": "424-492-3300"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUAN",
"first_name": "MAX",
"credential": "DO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2022-05-03",
"last_updated": "2025-06-24",
"certification_date": "2025-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "1679218796",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Torrance, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 24, 2025; 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.