Active NPI
R Christopher Dillon, M.D.
- Diagnostic Radiology Physician
- Tucson, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- 42411
- Practice address
- 2191 W Orange Grove Rd
Tucson, AZ 85741-3118 - Phone
- (520) 547-3940
- NPI assigned
- Feb 10, 2008
- 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 |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | 42411 | AZ | Primary |
Addresses
Primary practice location
2191 W Orange Grove Rd
Tucson, AZ 85741-3118
Mailing address
4427 E Saranac Dr Ste 204
Tucson, AZ 85718-6741
Phone (520) 245-7528
Other practice location 1
5515 E 5th St
Tucson, AZ 85711-2415
Phone (520) 298-1138
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 616680 | Medicaid | AZ |
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: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- University of Arizona College of Medicine, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
2191 W Orange Grove Rd
Tucson, AZ 85741-3118
Phone (520) 547-3940
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 42411 | AZ | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Arizona Community Physicians PC | Family Medicine | Current | Accepting new patients |
| Arizona Community Physician PC | Current | Accepting new patients |
Locations
2191 W Orange Grove Rd
Tucson, AZ 85741
Phone (520) 547-3940
5515 E 5th St
Tucson, AZ 85711
Phone (520) 298-1138
5055 E Broadway Blvd
Ste A100
Tucson, AZ 85711
Phone (520) 327-0460
2055 W Hospital Dr
Tucson, AZ 85704
Phone (520) 547-5725
Organizations & group practices 2
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.
-
- Internal Medicine Physician
- Tucson, AZ
- NPI 1205871076
Family Medicine
-
- Magnetic Resonance Imaging (MRI) Clinic/Center
- Tucson, AZ
- NPI 1922141902
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1202601600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782259200000",
"number": "1295913473",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4427 E SARANAC DR STE 204",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857186741",
"telephone_number": "520-245-7528",
"fax_number": "520-245-7528"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2191 W ORANGE GROVE RD",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857413118",
"telephone_number": "520-547-3940"
}
],
"practiceLocations": [
{
"address_1": "5515 E 5th St",
"address_purpose": "LOCATION",
"city": "Tucson",
"state": "AZ",
"postal_code": "857112415",
"country_code": "US",
"telephone_number": "520-298-1138",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "DILLON",
"first_name": "R CHRISTOPHER",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2008-02-10",
"last_updated": "2026-06-24",
"certification_date": "2026-06-24",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "AZ",
"license": "42411",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "616680",
"state": "AZ"
}
],
"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 Jun 24, 2026; 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.