Active NPI
Hayat El Yousfi
- Pharmacist
- Stockton, CA
National Provider Identifier
1033683388
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pharmacist
- License
- 80157
- Practice address
- 4555 N Pershing Ave Ste 7
Stockton, CA 95207-6739 - Phone
- (209) 565-6304
- Fax
- (209) 565-6305
- NPI assigned
- Jan 18, 2019
- Sex
- Female
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Pharmacist | 183500000X | 80157 | CA | Primary |
Addresses
Primary practice location
4555 N Pershing Ave Ste 7
Stockton, CA 95207-6739
Mailing address
4555 N Pershing Ave Ste 1426
Stockton, CA 95207-6740
Phone (209) 565-6304
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
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Precision Drugs LLC | Current | Accepting new patients | |
| Precision Drugs LLC | Current | Accepting new patients |
Locations
4555 N Pershing Ave
Ste 7
Stockton, CA 95207
Phone (209) 888-2099
Organizations & group practices 2
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.
-
- Long Term Care Pharmacy
- Stockton, CA
- NPI 1063347953
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1547769600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784851200000",
"number": "1033683388",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4555 N PERSHING AVE STE 1426",
"city": "STOCKTON",
"state": "CA",
"postal_code": "952076740",
"telephone_number": "209-565-6304",
"fax_number": "209-565-6305"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4555 N PERSHING AVE STE 7",
"city": "STOCKTON",
"state": "CA",
"postal_code": "952076739",
"telephone_number": "209-565-6304",
"fax_number": "209-565-6305"
}
],
"practiceLocations": [],
"basic": {
"last_name": "EL YOUSFI",
"first_name": "HAYAT",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2019-01-18",
"last_updated": "2026-07-24",
"certification_date": "2026-07-24",
"status": "A"
},
"taxonomies": [
{
"code": "183500000X",
"taxonomy_group": "",
"desc": "Pharmacist",
"state": "CA",
"license": "80157",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Stockton, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.