Active NPI
Benjamin Jack Hallmark
- Critical Care Medicine Registered Nurse
- Fresno, CA
National Provider Identifier
1306735543
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine Registered Nurse
- License
- 95378747
- Practice address
- 20 E River Park PL W
Fresno, CA 93720-1551 - Phone
- (559) 256-4950
- NPI assigned
- Jul 1, 2025
- Sex
- Unspecified or another gender identity
- 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 |
|---|---|---|---|---|
| Critical Care Medicine Registered Nurse | 163WC0200X | 95378747 | CA | Primary |
Addresses
Primary practice location
20 E River Park PL W
Fresno, CA 93720-1551
Mailing address
240 Kaneeta LN
Grants Pass, OR 97526-8765
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 |
|---|---|---|---|
| 95378747 | CA | MD | Critical Care Medicine Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1751328000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1751846400000",
"number": "1306735543",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "240 KANEETA LN",
"city": "GRANTS PASS",
"state": "OR",
"postal_code": "975268765"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "20 E RIVER PARK PL W",
"city": "FRESNO",
"state": "CA",
"postal_code": "937201551",
"telephone_number": "559-256-4950"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HALLMARK",
"first_name": "BENJAMIN",
"middle_name": "JACK",
"sole_proprietor": "YES",
"sex": "X",
"enumeration_date": "2025-07-01",
"last_updated": "2025-07-07",
"certification_date": "2025-07-07",
"status": "A"
},
"taxonomies": [
{
"code": "163WC0200X",
"taxonomy_group": "",
"desc": "Registered Nurse, Critical Care Medicine",
"state": "CA",
"license": "95378747",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Fresno, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.