Active NPI
Tianzhu Ge
- Psychiatry Physician
- Ventura, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- A205195
- Practice address
- 300 Hillmont Ave
Ventura, CA 93003-1651 - Phone
- (805) 652-6000
- NPI assigned
- Apr 27, 2020
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | R78013 | AZ | |
| Psychiatry Physician | 2084P0800X | A205195 | CA | Primary |
| Addiction Medicine (Psychiatry & Neurology) Physician | 2084A0401X | 70444 | AZ |
Addresses
Primary practice location
300 Hillmont Ave
Ventura, CA 93003-1651
Mailing address
4860 Telephone Rd Ste 103
Ventura, CA 93003-0213
Other practice location 1
200 Hillmont Ave
Ventura, CA 93003-1647
Phone (805) 652-6729
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | tianzhu.ge@ventura.cernerdirect.com | Direct |
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
- R Franklin University of Med & Sci/Chicago Medical School, 2020
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
1500 N Campbell Ave
Tucson, AZ 85724-0001
1885 FM
2673 Unit 146
Canyon Lake, TX 78133
800 S Victoria Ave
L4640
Ventura, CA 93009-0002
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 70444 | AZ | MD | Addiction Medicine (Psychiatry & Neurology) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| County of Ventura | Current | Accepting new patients | |
| County of Ventura | Current | Accepting new patients | |
| County of Ventura | Current | Accepting new patients |
Locations
800 S Victoria Ave
#L4640
Ventura, CA 93009
300 Hillmont Ave
Ventura, CA 93003
Phone (805) 652-6000
Organizations & group practices 3
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.
-
- General Acute Care Hospital
- Ventura, CA
- NPI 1629167457
-
- Community/Behavioral Health Agency
- Oxnard, CA
- NPI 1518189158
-
- Community/Behavioral Health Agency
- Simi Valley, CA
- NPI 1609098243
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1587945600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1787270400000",
"number": "1831710292",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4860 TELEPHONE RD STE 103",
"city": "VENTURA",
"state": "CA",
"postal_code": "930030213"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "300 HILLMONT AVE",
"city": "VENTURA",
"state": "CA",
"postal_code": "930031651",
"telephone_number": "805-652-6000"
}
],
"practiceLocations": [
{
"address_1": "200 Hillmont Ave",
"address_purpose": "LOCATION",
"city": "Ventura",
"state": "CA",
"postal_code": "930031647",
"country_code": "US",
"telephone_number": "805-652-6729",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GE",
"first_name": "TIANZHU",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2020-04-27",
"last_updated": "2026-08-21",
"certification_date": "2026-08-21",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "AZ",
"license": "R78013",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "A205195",
"primary": true
},
{
"code": "2084A0401X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Addiction Medicine",
"state": "AZ",
"license": "70444",
"primary": false
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "tianzhu.ge@ventura.cernerdirect.com",
"affiliation": "N",
"endpointDescription": "Cerner Direct Secure Email",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Direct Information",
"address_1": "200 Hillmont Ave",
"city": "Ventura",
"state": "CA",
"country_code": "US",
"postal_code": "930031647",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Ventura, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 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.