R Christopher Dillon, M.D.
NPI 1295913473 · Diagnostic Radiology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
R Christopher Dillon, M.D. is a Diagnostic Radiology Physician provider in Tucson, AZ (NPI 1295913473).
Provider details
- NPI number
- 1295913473
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 42411 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
7,684 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening Mammography77067 | 3,129 | $122 |
| Screening 3d Breast Mammography77063 | 3,107 | $50 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 311 | $45 |
| Limited Ultrasound Scan of 1 Breast76642 | 231 | $84 |
| Screening Mammography77067 | 224 | $34 |
| Screening 3d Breast Mammography77063 | 220 | $27 |
Practice location
Mailing address
Additional practice locations (1)
- 5515 E 5th StTucson, AZ 85711-2415Phone: (520) 298-1138
Registry dates
- Enumerated
- 2008-02-10
- Last updated
- 2025-11-11
- Certified
- 2025-11-11
Frequently asked questions
- What is R Christopher Dillon's NPI number?
- R Christopher Dillon's National Provider Identifier (NPI) is 1295913473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is R Christopher Dillon's specialty?
- R Christopher Dillon is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is R Christopher Dillon located?
- R Christopher Dillon's practice location on file with NPPES is 2191 W Orange Grove Rd, Tucson, AZ 85741-3118.
- What is R Christopher Dillon's phone number?
- The practice phone number listed in the NPPES registry for R Christopher Dillon is (520) 547-3940.
- Does R Christopher Dillon accept Medicare?
- R Christopher Dillon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is R Christopher Dillon's NPI active?
- Yes — R Christopher Dillon's NPI (1295913473) is active in the NPPES registry as of the last update on 2025-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.