Active NPI
James Costello, PA
- Pediatrics Physician
- Modesto, CA
National Provider Identifier
1801883236
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- PA10823
- Practice address
- 4120 Prescott Rd
Modesto, CA 95356-8418 - Phone
- (209) 544-7300
- Fax
- (209) 544-7323
- NPI assigned
- Sep 30, 2005
- 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 |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | PA10823 | CA | Primary |
Addresses
Primary practice location
4120 Prescott Rd
Modesto, CA 95356-8418
Mailing address
4120 Prescott Rd
Modesto, CA 95356-8418
Phone (209) 544-7300
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
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| PA10823 | CA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128038400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1801883236",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4120 PRESCOTT RD",
"city": "MODESTO",
"state": "CA",
"postal_code": "953568418",
"telephone_number": "209-544-7300",
"fax_number": "209-544-7323"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4120 PRESCOTT RD",
"city": "MODESTO",
"state": "CA",
"postal_code": "953568418",
"telephone_number": "209-544-7300",
"fax_number": "209-544-7323"
}
],
"practiceLocations": [],
"basic": {
"last_name": "COSTELLO",
"first_name": "JAMES",
"name_prefix": "Mr.",
"credential": "PA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-09-30",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "CA",
"license": "PA10823",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Modesto, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.