Active NPI
Timothy Freriks
- Critical Care Medicine Registered Nurse
- Tucson, AZ
National Provider Identifier
1003788894
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Medicine Registered Nurse
- License
- RN208125
- Practice address
- 1305 N Martin Ave
Tucson, AZ 85721-0001 - Phone
- (555) 555-5555
- NPI assigned
- Sep 22, 2025
- Sex
- Male
- 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 | RN208125 | AZ | Primary |
Addresses
Primary practice location
1305 N Martin Ave
Tucson, AZ 85721-0001
Mailing address
1305 N Martin Ave
Tucson, AZ 85721-0001
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 |
|---|---|---|---|
| RN208125 | AZ | MD | Critical Care Medicine Registered Nurse |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1758499200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758499200000",
"number": "1003788894",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1305 N MARTIN AVE",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857210001"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1305 N MARTIN AVE",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857210001",
"telephone_number": "555-555-5555"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRERIKS",
"first_name": "TIMOTHY",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2025-09-22",
"last_updated": "2025-09-22",
"certification_date": "2025-09-21",
"status": "A"
},
"taxonomies": [
{
"code": "163WC0200X",
"taxonomy_group": "",
"desc": "Registered Nurse, Critical Care Medicine",
"state": "AZ",
"license": "RN208125",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Tucson, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 22, 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.