Active NPI
Donald Haurjay Tsai, MD
- Family Medicine Physician
- Barstow, CA
National Provider Identifier
1407948987
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- A30532
- Practice address
- 801 East Mountainview Street
Suite B
Barstow, CA 92341 - Phone
- (760) 256-8901
- Fax
- (760) 256-1211
- NPI assigned
- Sep 29, 2006
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | A30532 | CA | |
| Family Medicine Physician | 207Q00000X | A30532 | CA | Primary |
Addresses
Primary practice location
801 East Mountainview Street
Suite B
Barstow, CA 92341
Mailing address
801 East Mountainview Street
Suite B
Barstow, CA 92311
Phone (760) 256-8901
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A30532 | CA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1159488000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1407948987",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "801 EAST MOUNTAINVIEW STREET",
"address_2": "SUITE B",
"city": "BARSTOW",
"state": "CA",
"postal_code": "92311",
"telephone_number": "760-256-8901",
"fax_number": "760-256-1211"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "801 EAST MOUNTAINVIEW STREET",
"address_2": "SUITE B",
"city": "BARSTOW",
"state": "CA",
"postal_code": "92341",
"telephone_number": "760-256-8901",
"fax_number": "760-256-1211"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TSAI",
"first_name": "DONALD",
"middle_name": "HAURJAY",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-09-29",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "A30532",
"primary": false
},
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "A30532",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Barstow, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.