Active NPI
Jeffrey Castillo, PA-C
- Physician Assistant
- Pomona, CA
National Provider Identifier
1063361244
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- License
- PA67756
- Practice address
- 1866 N Orange Grove Ave Ste 202
Pomona, CA 91767-3042 - Phone
- (909) 623-8796
- Fax
- (909) 623-3076
- NPI assigned
- Jan 22, 2026
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | PA67756 | CA | Primary |
Addresses
Primary practice location
1866 N Orange Grove Ave Ste 202
Pomona, CA 91767-3042
Mailing address
840 Towne Center Dr
Pomona, CA 91767-5900
Phone (909) 398-1550
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2025
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
106 Mira Mar Ave Apt
Suite 5
Long Beach, CA 90803-2860
840 Towne Ctr Dr
Pomona, CA 91767
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA67756 | CA | MD | Physician Assistant |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1769040000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777593600000",
"number": "1063361244",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "840 TOWNE CENTER DR",
"city": "POMONA",
"state": "CA",
"postal_code": "917675900",
"telephone_number": "909-398-1550"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1866 N ORANGE GROVE AVE STE 202",
"city": "POMONA",
"state": "CA",
"postal_code": "917673042",
"telephone_number": "909-623-8796",
"fax_number": "909-623-3076"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CASTILLO",
"first_name": "JEFFREY",
"credential": "PA-C",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-01-22",
"last_updated": "2026-05-01",
"certification_date": "2026-05-01",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": "CA",
"license": "PA67756",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Pomona, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 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.