Active NPI
Nathaniel Welly, PAC
- Medical Physician Assistant
- Cottonwood, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Physician Assistant
- License
- 1069801
- Practice address
- 450 S Willard St Ste 103
Cottonwood, AZ 86326-6744 - Phone
- (928) 634-9573
- Fax
- (928) 634-0135
- NPI assigned
- Jan 4, 2007
- 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 |
|---|---|---|---|---|
| Medical Physician Assistant | 363AM0700X | 1069801 | AZ | Primary |
Addresses
Primary practice location
450 S Willard St Ste 103
Cottonwood, AZ 86326-6744
Mailing address
450 S Willard St Ste 103
Cottonwood, AZ 86326-6744
Phone (928) 634-9573
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
Care Compare profile
Medicare Care Compare- Specialty
- Physician Assistant
- Education
- Other, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
21321 E Ocotillo Rd
Suite 133
Queen Creek, AZ 85142-5995
Phone (480) 987-5525
286 S Lenzner Ave
Suite a
Sierra Vista, AZ 85635-5685
Phone (520) 452-0388
3151 N Windsong Dr
Prescott Valley, AZ 86314-2240
Phone (928) 458-7583
450 S Willard St
Suite 103
Cottonwood, AZ 86326-6744
Phone (928) 634-9573
560 N Camino Mercado
Suite 7
Casa Grande, AZ 85122-5759
Phone (520) 836-5538
Hospital & facility affiliations
- Northern Arizona Home Health
- Maggie'S Home Health LLC
- Angels Care Home Health of Arizona
- Verde Valley Medical Center
- Yavapai Regional Medical Center
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Physician Assistant
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 1069801 | AZ | MD | Medical Physician Assistant |
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.
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Cottonwood, AZ
- NPI 1821083882
-
- Home Health Agency
- Cottonwood, AZ
- NPI 1164882619
-
- Home Health Agency
- Cottonwood, AZ
- NPI 1740925148
-
- General Acute Care Hospital
- Prescott, AZ
- NPI 1902897820
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1167868800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1761177600000",
"number": "1881741726",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "450 S WILLARD ST STE 103",
"city": "COTTONWOOD",
"state": "AZ",
"postal_code": "863266744",
"telephone_number": "928-634-9573",
"fax_number": "928-634-0135"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "450 S WILLARD ST STE 103",
"city": "COTTONWOOD",
"state": "AZ",
"postal_code": "863266744",
"telephone_number": "928-634-9573",
"fax_number": "928-634-0135"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WELLY",
"first_name": "NATHANIEL",
"credential": "PAC",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-04",
"last_updated": "2025-10-23",
"certification_date": "2025-10-23",
"status": "A"
},
"taxonomies": [
{
"code": "363AM0700X",
"taxonomy_group": "",
"desc": "Physician Assistant, Medical",
"state": "AZ",
"license": "1069801",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Cottonwood, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 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.