Active NPI
Stephanie Johnwell
- General Practice Physician
- Granada Hills, CA
National Provider Identifier
1386444933
On this page
Key facts
NPPES NPI Registry- Primary specialty
- General Practice Physician
- License
- Z150322
- Practice address
- 16431 Tulsa St
Granada Hills, CA 91344-5223 - Phone
- (818) 590-7636
- NPI assigned
- Mar 13, 2025
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Physician | 208D00000X | Z150322 | CA | Primary |
Addresses
Primary practice location
16431 Tulsa St
Granada Hills, CA 91344-5223
Mailing address
16431 Tulsa St
Granada Hills, CA 91344-5223
Phone (818) 590-7636
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 |
|---|---|---|---|
| Z150322 | CA | MD | General Practice Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Foothill AIDS Project | Past | Accepting new patients | |
| Foothill AIDS Project | Past | Accepting new patients |
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.
-
- Community/Behavioral Health Agency
- San Bernardino, CA
- NPI 1578850921
-
- Community/Behavioral Health Agency
- Claremont, CA
- NPI 1811331507
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1741824000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1741824000000",
"number": "1386444933",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "16431 TULSA ST",
"city": "GRANADA HILLS",
"state": "CA",
"postal_code": "913445223",
"telephone_number": "818-590-7636"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16431 TULSA ST",
"city": "GRANADA HILLS",
"state": "CA",
"postal_code": "913445223",
"telephone_number": "818-590-7636"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOHNWELL",
"first_name": "STEPHANIE",
"name_prefix": "Ms.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-03-13",
"last_updated": "2025-03-13",
"certification_date": "2025-03-13",
"status": "A"
},
"taxonomies": [
{
"code": "208D00000X",
"taxonomy_group": "",
"desc": "General Practice",
"state": "CA",
"license": "Z150322",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Granada Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 13, 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.