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DR. R CHRISTOPHER DILLON M.D.
NPI 1295913473
Radiology - Diagnostic Radiology in Tucson, AZ

Active since February 10, 2008PECOS EnrolledAccepts Medicare Assignment
89.28/100
CMS Quality Rating
2191 W ORANGE GROVE RD, TUCSON, AZ 85741(520) 547-3940 Get Directions Write a Review

NPPES record last updated: June 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 11, 2025, Apr 15, 2024 (2 updates tracked since 2024).

About Dr. R Christopher Dillon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. R CHRISTOPHER DILLON M.D. (NPI 1295913473) is an individual diagnostic radiology provider in Tucson, Arizona, licensed in Arizona (42411) and active in the NPI registry since February 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of University Of Arizona College Of Medicine (2006).

NPPES Registry Identity

NPI1295913473
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. R CHRISTOPHER DILLONCredential: M.D.
Location Address2191 W ORANGE GROVE RDTucson, AZ 85741-3118
Mailing Address4427 E Saranac Dr Ste 204Tucson, AZ 85718-6741 · (520) 245-7528 · Fax (520) 245-7528
Phone(520) 547-3940
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2006
Enumeration DateFebruary 10, 2008
Last NPPES UpdateJune 24, 20262 updates tracked since enumeration
NPPES CertifiedJune 24, 2026
✔ NPI 1295913473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in AZ · 42411
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
2191 W ORANGE GROVE RD, Tucson, AZ 85741
Open in Google Maps ↗

Secondary Practice Location 1

Location 15515 E 5th StTucson, AZ 85711-2415 · Phone (520) 298-1138

Other Identifiers 1

Medicaid616680AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. R Christopher Dillon M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890963730
PECOS Enrollment IDI20110720000838
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
3,129 services3,129 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
3,107 services3,107 patients
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
311 services304 patients
Limited ultrasound scan of 1 breast 76642
A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.
231 services224 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
224 services224 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
220 services220 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85741 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.56
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques
Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…
93%356 patients
Radiology: Reminder System for Screening Mammograms
Percentage of patients undergoing a screening mammogram whose information is entered into a reminder system with a target due date for the next mammogram
100%1,741 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ARIZONA COMMUNITY PHYSICIANS PC
Clinic/Center (Radiology)
2191 W ORANGE GROVE RD
TUCSON, AZ 85741
Pima County (520) 547-3940

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is R Christopher Dillon's NPI number?

The NPI number for R Christopher Dillon is 1295913473. It was assigned to this individual provider in the NPPES registry on February 10, 2008.

Where is R Christopher Dillon located?

R Christopher Dillon practices at 2191 W Orange Grove Rd, Tucson, AZ 85741. The listed phone number is (520) 547-3940.

What is R Christopher Dillon's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is R Christopher Dillon enrolled in Medicare?

Yes. R Christopher Dillon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does R Christopher Dillon accept?

Health plans from Blue Cross Blue Shield of Arizona list R Christopher Dillon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for R Christopher Dillon was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.