R Christopher Dillon, M.D.
Diagnostic Radiology Physician · Tucson, AZ
R Christopher Dillon, M.D. is a diagnostic radiology physician with a practice address in Tucson, Arizona, and NPI 1295913473, issued on Feb 10, 2008. Check the license (Arizona 42411, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- R Christopher Dillon
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 42411 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2191 W Orange Grove RD, Tucson, AZ 85741
- Phone
- (520) 547-3940
- Enumerated
- Feb 10, 2008
- Record last updated
- Jun 24, 2026
- Medicaid ID
- 616680 AZ
- Medicare enrollment
- Enrolled (PECOS I20110720000838); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 869 in Arizona → Look up another NPI →
Verify R Christopher Dillon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 42411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 89.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Arizona Community Physicians PCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
R Christopher Dillon among 869 diagnostic radiology physician records in Arizona
R Christopher Dillon, M.D. is one of 869 diagnostic radiology physician records with a practice address in Arizona. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 60% of them.
- NPI issued2008 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2003 among the 573 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
233 diagnostic radiology physician records list a practice address in Tucson
They are 233 of the 18,788 NPPES records with a practice address in Tucson, and 869 diagnostic radiology physician records in Arizona.
All 869 in Arizona → Every provider in Tucson → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Benjamin Coleman, D.O.Tucson, AZ 857411437456589
- Daniel Eggleston, MDTucson, AZ 857391750318036
- Valerie Robertson, MDTucson, AZ 857431134261944
- Eszter Wolf, M.D.Tucson, AZ 857431164732442
- Thomas Abram, MDTucson, AZ 857371023089158
- Phyllis Kapellen, M.D.Tucson, AZ 857371922055730
- Alan Lesselroth, MDTucson, AZ 857451104877372
- Arleen Peterson, MDTucson, AZ 857451700928132
Common questions
What is R Christopher Dillon, M.D.'s NPI number?
R Christopher Dillon, M.D.'s National Provider Identifier (NPI) is 1295913473, issued on Feb 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is R Christopher Dillon, M.D. located?
The NPPES record lists a practice address at 2191 W Orange Grove RD, Tucson, AZ, 85741. Phone: (520) 547-3940. Providers update this record themselves, so call before visiting.
How can I verify R Christopher Dillon, M.D.'s license?
NPPES lists Arizona license number 42411, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is R Christopher Dillon, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.