Active NPI
Jacobo Frietz
- Physician Assistant
- Mesa, AZ
National Provider Identifier
1104667237
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physician Assistant
- Practice address
- 616 E Southern Ave
Mesa, AZ 85204-4941 - Phone
- (602) 569-3999
- Fax
- (602) 569-3887
- NPI assigned
- Jun 3, 2024
- 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 |
|---|---|---|---|---|
| Physician Assistant | 363A00000X | Primary |
Addresses
Primary practice location
616 E Southern Ave
Mesa, AZ 85204-4941
Mailing address
5850 E Still Cir
Mesa, AZ 85206-3618
Phone (602) 315-2343
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260430001104 | AZ | Practitioner - Physician Assistant | 7416424189 | Reassigns benefits to 1 organization |
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
- Clinica la Familia PC
Practice addresses (Care Compare)
616 E Southern Ave
Suite 103
Mesa, AZ 85204-4941
Phone (602) 569-3999
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Clinica la Familia, PC | Current | Accepting new patients |
Locations
7734 N 59th Ave
Glendale, AZ 85301
Phone (602) 371-2515
616 E Southern Ave
Ste 103
Mesa, AZ 85204
616 E Southern Ave
Mesa, AZ 85204
13402 N 32nd St
Ste 5
Phoenix, AZ 85032
Phone (623) 931-2444
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 and National Provider Directory roles.
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1717372800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764892800000",
"number": "1104667237",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5850 E STILL CIR",
"city": "MESA",
"state": "AZ",
"postal_code": "852063618",
"telephone_number": "602-315-2343"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "616 E SOUTHERN AVE",
"city": "MESA",
"state": "AZ",
"postal_code": "852044941",
"telephone_number": "602-569-3999",
"fax_number": "602-569-3887"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FRIETZ",
"first_name": "JACOBO",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2024-06-03",
"last_updated": "2025-12-05",
"certification_date": "2025-12-05",
"status": "A"
},
"taxonomies": [
{
"code": "363A00000X",
"taxonomy_group": "",
"desc": "Physician Assistant",
"state": null,
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mesa, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 5, 2025; 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.