Active NPI
Nayeli Guerrero, PA-S
- Physician Assistant
- San Bernardino, CA
National Provider Identifier
1922781285
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA67487
- Practice address
- 2101 N Waterman Ave
San Bernardino, CA 92404-4836 - Phone
- (909) 881-7140
- NPI assigned
- Aug 11, 2023
- Last updated
- Feb 20, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA67487 | CA | Primary |
| Medical Physician Assistant | 363AM0700X | PA67487 | CA |
Addresses
Primary practice location
2101 N Waterman Ave
San Bernardino, CA 92404-4836
Mailing address
PO Box 9072
Whittier, CA 90608-9072
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: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2101 N Waterman Ave
San Bernardino, CA 92404-4836
Phone (909) 883-8711
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA67487 | CA | MD | Medical Physician Assistant |
Organizations & group practices 1
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1691712000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771545600000",
"number": "1922781285",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 9072",
"city": "WHITTIER",
"state": "CA",
"postal_code": "906089072"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2101 N WATERMAN AVE",
"city": "SAN BERNARDINO",
"state": "CA",
"postal_code": "924044836",
"telephone_number": "909-881-7140"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GUERRERO",
"first_name": "NAYELI",
"credential": "PA-S",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2023-08-11",
"last_updated": "2026-02-20",
"certification_date": "2026-02-20",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "PA67487",
"primary": true
},
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "CA",
"license": "PA67487",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in San Bernardino, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 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.