Ronald Curtis Markarian, D.M.D., M.S., P.C.
Endodontics · Swansea, IL
Ronald Curtis Markarian, D.M.D., M.S., P.C. is an endodontics with a practice address in Swansea, Illinois, and NPI 1013920289, issued on Aug 15, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald Curtis Markarian
- Credential
- D.M.D., M.S., P.C.
- Primary taxonomy
- Endodontics 1223E0200X
- Practice location
- 16 Park Place Professional Centre, Swansea, IL 62226
- Phone
- (618) 234-5533
- Enumerated
- Aug 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (618) 234-8248
- Entity
- Type 1 · individual
8 nearest endodontics records → All 214 in Illinois → Look up another NPI →
Verify Ronald Curtis Markarian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average endodontics in 2024
169 Medicare Part D claims for 127 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Penicillin V Potassium99 claims
- Clindamycin Hcl28 claims
- Amoxicillin16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Ronald Curtis Markarian among 214 endodontics records in Illinois
Ronald Curtis Markarian, D.M.D., M.S., P.C. is one of 214 endodontics records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 66% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in Illinois
There are 214 endodontics records in Illinois.
All 214 in Illinois → Every provider in Swansea → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Adam Diliberto, D.D.S.Swansea, IL 622261285898262
- Priya KullarSwansea, IL 622261275151441
- Amber Miller, DDSScott Afb, IL 622251568748168
- John Yaccino, DDSScott Afb, IL 622251255326856
- Jacob Frazier, DMD, MSLebanon, IL 622541497043178
- Alan AzarO Fallon, IL 622691659416212
- Edward Rose, DMD, MSMaryville, IL 620621992922876
- Aaron Etcheson, D.M.D., M.S.Jerseyville, IL 620521346478062
Common questions
What is Ronald Curtis Markarian, D.M.D., M.S., P.C.'s NPI number?
Ronald Curtis Markarian, D.M.D., M.S., P.C.'s National Provider Identifier (NPI) is 1013920289, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Curtis Markarian, D.M.D., M.S., P.C. located?
The NPPES record lists a practice address at 16 Park Place Professional Centre, Swansea, IL, 62226. Phone: (618) 234-5533. Providers update this record themselves, so call before visiting.
How can I verify Ronald Curtis Markarian, D.M.D., M.S., P.C.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald Curtis Markarian, D.M.D., M.S., P.C. prescribe under Medicare Part D?
In 2024, Ronald Curtis Markarian, D.M.D., M.S., P.C. had 169 Medicare Part D claims for 127 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
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.