Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. David Joseph Ryder, MD

Individual provider Diagnostic Radiology Physician · NPI 1477501054

Dr. David Joseph Ryder, MD practises Diagnostic Radiology in Phoenix, Arizona. Graduated from University of Texas Medical School at Houston in 1988, 38 years ago. Practices with Smi Imaging LLC, a 376-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
38
Trained at
University of Texas Medical School at Houston
Licensed in
AZ
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4045 E Bell Rd Ste #143
Phoenix, AZ 85032-2236 Not confirmed with CMS for 15 years — call before visiting
Phone: (602) 867-0404
Fax: (602) 788-0893
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 19080 (AZ)

Record details

NPI number1477501054
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 5, 2006
Last updated in NPPESJanuary 13, 2011

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 1988 (38 years in practice)
Group practice Smi Imaging Llc — 376 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations42 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients1,844
Services billed 5,581 a service is one billed item, such as a visit, a test or a procedure
Average patient age73

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Smi Imaging LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 376 clinicians in the practice; 12 are shown here.

Other providers in Phoenix