Active NPI
Rehan Siddique
- Registered Nurse
- Castro Valley, CA
National Provider Identifier
1811853047
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Registered Nurse
- License
- 95306792
- Practice address
- 2050 Fairmont Dr
Castro Valley, CA 94578-1001 - Phone
- (510) 895-5502
- NPI assigned
- Dec 31, 2025
- Sex
- Male
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Registered Nurse | 163W00000X | 95306792 | CA | Primary |
Addresses
Primary practice location
2050 Fairmont Dr
Castro Valley, CA 94578-1001
Mailing address
2050 Fairmont Dr
Castro Valley, CA 94578-1001
Phone (510) 895-5502
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)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 95306792 | CA | MD | Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1767139200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767139200000",
"number": "1811853047",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2050 FAIRMONT DR",
"city": "CASTRO VALLEY",
"state": "CA",
"postal_code": "945781001",
"telephone_number": "510-895-5502"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2050 FAIRMONT DR",
"city": "CASTRO VALLEY",
"state": "CA",
"postal_code": "945781001",
"telephone_number": "510-895-5502"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIDDIQUE",
"first_name": "REHAN",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-12-31",
"last_updated": "2025-12-31",
"certification_date": "2025-12-31",
"status": "A"
},
"taxonomies": [
{
"code": "163W00000X",
"taxonomy_group": "",
"desc": "Registered Nurse",
"state": "CA",
"license": "95306792",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Castro Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 31, 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.