Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Ronald Dayton Sullivan, MD

Individual provider Diagnostic Radiology Physician · NPI 1295926483

Dr. Ronald Dayton Sullivan, MD is a Diagnostic Radiology in Garland, Texas. Graduated from University of Texas Medical Branch at Galveston in 2003, 23 years ago. Practices with Diagnostic Imaging Associates PA, a 4-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Florida, Maine, New Hampshire and Texas.

Years since qualifying
23
Trained at
University of Texas Medical Branch at Galveston
Licensed in
FL, ME, NH, TX
In the registry since
2007
Specialties on file
4
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

2300 Marie Curie Blvd Baylor Medical Center At Garland
Garland, TX 75042
Phone: (817) 727-0889
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 14055 Riveredge Dr Ste 250, Tampa, FL 33637-2141 — (813) 396-6238
  • 489 State St, Bangor, ME 04401-6616 — (207) 973-7000
  • 22 Bramhall St, Portland, ME 04102-3134 — (207) 662-4735
  • 2460 Curtis Ellis Dr, Rocky Mount, NC 27804-2237 — (252) 962-8186

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence ME151356 (FL)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD29467 (ME)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 35244 (NH)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence N3336 (TX)

Record details

NPI number1295926483
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 5, 2007
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolUNIVERSITY OF TEXAS MEDICAL BRANCH AT GALVESTON
Graduated 2003 (23 years in practice)
Group practice Diagnostic Imaging Associates Pa — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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