Donald Ray Siddoway, MD
Clinical Cardiac Electrophysiology Physician · Columbia, SC
Donald Ray Siddoway, MD is a clinical cardiac electrophysiology physician with a practice address in Columbia, South Carolina, and NPI 1235392093, issued on Jul 2, 2008. Check the license (South Carolina 86722, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Donald Ray Siddoway
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- 86722 SC
MD442073 PA
27143 WV
Self-reported in NPPES; status is on the state search - Practice location
- 8 Richland Medical Park Dr Ste 200, Columbia, SC 29203
- Phone
- (803) 256-6511
- Enumerated
- Jul 2, 2008
- Record last updated
- Mar 23, 2022
- Fax
- (803) 376-5885
- Medicare enrollment
- Enrolled (PECOS I20220331000057); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 59 in South Carolina → Look up another NPI →
Also registered at 8 Richland Medical Park Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly CarnavaleFamily Nurse Practitioner1457003303
- Keelin Golden-Maldonado, FNPFamily Nurse Practitioner1033742531
- Anne Hendrix, P.A.Physician Assistant1013982917
- Makayla Holden, ACNPC-AGAdult Health Nurse Practitioner1891674768
- Leslie HunnicuttFamily Nurse Practitioner1225907702
Verify Donald Ray Siddoway in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 86722Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
227 Medicare Part D claims for 68 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate42 claims
- Eliquis35 claims
- Flecainide Acetate15 claims
- Diltiazem 24hr Er (Cd)12 claims
- Sotalol12 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.
The MIPS final score for 2023 (Medicare payment program): 99.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,034.64
38 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 3,167 providers of this specialty with any payment received $10,651.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Prisma Health Medical Group-MidlandsColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Ray Siddoway among 59 clinical cardiac electrophysiology physician records in South Carolina
Donald Ray Siddoway, MD is one of 59 clinical cardiac electrophysiology physician records with a practice address in South Carolina. 95% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 47% of them.
- NPI issued2008 · 47% of these records are older, 41% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated2008 · median 2006 among the 53 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in South Carolina
There are 59 clinical cardiac electrophysiology physician records in South Carolina.
All 59 in South Carolina → Every provider in Columbia → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- John Beard, MDColumbia, SC 292031437149770
- Walter Mazzei, MDColumbia, SC 292031083948285
- Paras Patel, M.D.Columbia, SC 292031225492895
- Todd Senn, MDColumbia, SC 292031972760056
- Sultan Siddique, M.D.Columbia, SC 292031417995259
- Gerald Bauknight, MDColumbia, SC 292041144279084
- Venkateshwar Gottipaty, MD, PHDColumbia, SC 292041750329108
- Francis Ugowe, M.D.Columbia, SC 292041154784759
Common questions
What is Donald Ray Siddoway, MD's NPI number?
Donald Ray Siddoway, MD's National Provider Identifier (NPI) is 1235392093, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Donald Ray Siddoway, MD located?
The NPPES record lists a practice address at 8 Richland Medical Park Dr Ste 200, Columbia, SC, 29203. Phone: (803) 256-6511. Providers update this record themselves, so call before visiting.
How can I verify Donald Ray Siddoway, MD's license?
NPPES lists South Carolina license number 86722, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Ray Siddoway, MD prescribe under Medicare Part D?
In 2024, Donald Ray Siddoway, MD had 227 Medicare Part D claims for 68 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Donald Ray Siddoway, MD's MIPS final score?
The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.