Active NPI
David Louis Westra, M.D.
- Neurological Surgery Physician
- Ventura, CA
National Provider Identifier
1265645790
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Neurological Surgery Physician
- License
- A93870
- Practice address
- 168 N Brent St Ste 408
Ventura, CA 93003-2824 - Phone
- (805) 643-2179
- Fax
- (805) 643-0672
- NPI assigned
- May 8, 2007
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 5
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.
-
- Neurological Surgery Physician
- Ventura, CA
- NPI 1083950018
CA, Neurological Surgery
-
- Public Health & General Preventive Medicine Physician
- Oxnard, CA
- NPI 1801325303
-
- Orthopaedic Surgery of the Spine Physician
- Newport Beach, CA
- NPI 1518433457
-
- Home Health Agency
- Syracuse, NE
- NPI 1578571329
Hospital & facility affiliations 13
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Multi-Specialty Clinic/Center
- Port Hueneme, CA
- NPI 1659656775
Hospital
-
- Orthopaedic Surgery Physician
- Camarillo, CA
- NPI 1871919126
Hospital
-
- Home Health Agency
- Ventura, CA
- NPI 1437696135
-
- Home Health Agency
- Ventura, CA
- NPI 1053315739
Care Compare profile
Medicare Care Compare- Specialty
- Neurosurgery
- Education
- University of Texas Medical School at Houston, 2004
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- David L. Westra, MD, a Professional Corporation
Practice addresses (Care Compare)
168 N Brent St
Suite 408
Ventura, CA 93003-2824
Phone (805) 643-2179
Hospital & facility affiliations
- Farmer'S Home Health
- Livingston Memorial Visiting Nurse Association
- Community Memorial Hospital - Ventura
- Community Memorial Hospital - Ojai
Merit-based Incentive Payment System (MIPS)
- Final score
- 23.52 of 100
- Quality
- 0
- Improvement activities
- 0
- Cost
- 78.41
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Spinal fusion | 91 |
| Laminectomy or laminotomy (partial removal of spine bones) | 80 |
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
Medicare enrollment records 1
Medicare enrollment files| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20101005000083 | CA | Practitioner - Neurosurgery | 1153513510 | Reassigns benefits to 2 organizations |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| David L. Westra, MD, a Professional Corporation | Neurological Surgery | Current | Accepting new patients |
| County of Ventura | Current | Accepting new patients | |
| Community Memorial Hospital District | Past | Accepting new patients | |
| Trias Global, LLC | Past | Accepting new patients |
Locations
168 N Brent St
Ste 408
Ventura, CA 93003
Phone (805) 643-2179
300 Hillmont Ave
Ste 401
Ventura, CA 93003
Phone (805) 648-9830
300 Hillmont Ave
Ventura, CA 93003
Phone (805) 652-6000
Interoperability endpoints
- davidwestra@vcnamg.allscriptsdirect.net
Specialties & licenses 1
NPPES NPI Registry| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Neurological Surgery Physician | 207T00000X | A93870 | CA | Primary |
Addresses
NPPES NPI RegistryPrimary practice location
168 N Brent St Ste 408
Ventura, CA 93003-2824
Mailing address
168 N Brent St Ste 408
Ventura, CA 93003-2824
Phone (805) 701-8687
Other practice location 1
300 Hillmont Ave
Ventura, CA 93003-1651
Phone (805) 952-6000
Electronic endpoints 1
NPPES NPI Registry| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | david.westra@ventura.cernerdirect.com | Direct |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format, last updated by the provider on Mar 30, 2026.
{
"created_epoch": "1178582400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1774828800000",
"number": "1265645790",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "168 N BRENT ST STE 408",
"city": "VENTURA",
"state": "CA",
"postal_code": "930032824",
"telephone_number": "805-701-8687",
"fax_number": "805-643-2172"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "168 N BRENT ST STE 408",
"city": "VENTURA",
"state": "CA",
"postal_code": "930032824",
"telephone_number": "805-643-2179",
"fax_number": "805-643-0672"
}
],
"practiceLocations": [
{
"address_1": "300 Hillmont Ave",
"address_purpose": "LOCATION",
"city": "Ventura",
"state": "CA",
"postal_code": "930031651",
"country_code": "US",
"telephone_number": "805-952-6000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WESTRA",
"first_name": "DAVID",
"middle_name": "LOUIS",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-05-08",
"last_updated": "2026-03-30",
"certification_date": "2026-03-30",
"status": "A"
},
"taxonomies": [
{
"code": "207T00000X",
"taxonomy_group": "",
"desc": "Neurological Surgery",
"state": "CA",
"license": "A93870",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "david.westra@ventura.cernerdirect.com",
"affiliation": "N",
"endpointDescription": "Cerner Direct Secure Email",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "Direct Information",
"address_1": "300 Hillmont Ave",
"city": "Ventura",
"state": "CA",
"country_code": "US",
"postal_code": "930031651",
"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 Mar 30, 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.