Ronald Dayton Sullivan, MD
Diagnostic Radiology Physician · Garland, TX
Ronald Dayton Sullivan, MD is a diagnostic radiology physician with a practice address in Garland, Texas, and NPI 1295926483, issued on Aug 5, 2007. Check the license (Texas N3336, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald Dayton Sullivan
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- N3336 TX
ME151356 FL
MD29467 ME
35244 NH
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Marie Curie Blvd., Garland, TX 75042
- Phone
- (817) 727-0889
- Enumerated
- Aug 5, 2007
- Record last updated
- Dec 3, 2025
- Medicaid IDs
- 1295926483 ME
204266501 TX - Medicare enrollment
- Enrolled (PECOS I20090810000531); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 2003
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →
Verify Ronald Dayton Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N3336Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 4 group practices
- Diagnostic Imaging Associates PAVictoria, TX
- Florida Hospital Physician Group IncTampa, FL
- Florida Radiology Associates LLCTallahassee, FL
- Unc Physicians Network LLCRocky Mount, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Dayton Sullivan among 3,124 diagnostic radiology physician records in Texas
Ronald Dayton Sullivan, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.
- NPI issued2007 · 51% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2003 · median 2003 among the 2,277 with a school on file
- Record last updated2025 · 61% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in Texas
There are 3,124 diagnostic radiology physician records in Texas.
All 3,124 in Texas → Every provider in Garland → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Robert Flynn, MDGarland, TX 750421447222450
- Soume Foshee, MDGarland, TX 750421457324527
- Scott Garoutte, MDGarland, TX 750421255303269
- Sheri Hockett, MDGarland, TX 750421386616753
- Michael Trombello, MDGarland, TX 750421063484079
- Janet Kirby, MDIrving, TX 750391457309403
- David Klamer, MDIrving, TX 750391003874744
- Anish Narayanan, MDIrving, TX 750391801417308
Common questions
What is Ronald Dayton Sullivan, MD's NPI number?
Ronald Dayton Sullivan, MD's National Provider Identifier (NPI) is 1295926483, issued on Aug 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Dayton Sullivan, MD located?
The NPPES record lists a practice address at 2300 Marie Curie Blvd., Garland, TX, 75042. Phone: (817) 727-0889. Providers update this record themselves, so call before visiting.
How can I verify Ronald Dayton Sullivan, MD's license?
NPPES lists Texas license number N3336, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Ronald Dayton Sullivan, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.