William Esdorn Oquinn, MD
Family Medicine Physician · Port Royal, SC
William Esdorn Oquinn, MD is a family medicine physician with a practice address in Port Royal, South Carolina, and NPI 1700990587, issued on Aug 18, 2006. Check the license (South Carolina 31284, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Esdorn Oquinn
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 31284 SC
TL31284 SC
0101232502 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1510 Ribaut RD, Port Royal, SC 29935
- Phone
- (843) 770-0676
- Enumerated
- Aug 18, 2006
- Record last updated
- Oct 31, 2024
- Medicare enrollment
- Enrolled (PECOS I20090209000188); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1510 Ribaut RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Kennedy, D.P.T.Physical Therapist1356741136
- Lauren LynassPhysical Therapist1164939708
- Tad Martin, PTPhysical Therapist1801832480
- Doreen Massey, FNPFamily Nurse Practitioner1063463537
- Alisha Orage Freeman, APRNNurse Practitioner1891193371
- Lika Schrock, PAPhysician Assistant1225017502
Verify William Esdorn Oquinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 31284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average family medicine physician in 2024
579 Medicare Part D claims for 378 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Doxycycline Hyclate65 claims
- Azithromycin49 claims
- Nitrofurantoin Mono-Macro37 claims
- Prednisone36 claims
- Paxlovid32 claims
- Methylprednisolone25 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 practice group's MIPS final score for 2023 (Medicare payment program): 70.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Novant Health Urgent Cares LLCPort Royal, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 family medicine physician records list a practice address in Port Royal
They are 2 of the 97 NPPES records with a practice address in Port Royal, and 2,700 family medicine physician records in South Carolina.
All 2 in Port Royal → All 2,700 in South Carolina → Every provider in Port Royal →
Other family medicine physician records in South Carolina
- Fiby Abd El Malek, M.D.Greenville, SC1215222047
- Marwa Abdel Meguid, MD, MSAiken, SC1912646555
- Souzan Abdel-Samie, M.DSummerville, SC1144514266
- Dustin Abele, M.D.Spartanburg, SC1851771349
- Stoney Abercrombie, MDAnderson, SC1093732430
- Olabisi Abisogun, MDGreer, SC1366940157
- Samson Abolaji, MDFlorence, SC1922946714
- Joseph Abraham, M.D.Anderson, SC1497934657
- Sheron Abraham, D.O.Florence, SC1447548144
- Fareeha AbrarGreer, SC1497506703
Common questions
What is William Esdorn Oquinn, MD's NPI number?
William Esdorn Oquinn, MD's National Provider Identifier (NPI) is 1700990587, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Esdorn Oquinn, MD located?
The NPPES record lists a practice address at 1510 Ribaut RD, Port Royal, SC, 29935. Phone: (843) 770-0676. Providers update this record themselves, so call before visiting.
How can I verify William Esdorn Oquinn, MD's license?
NPPES lists South Carolina license number 31284, 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 William Esdorn Oquinn, MD prescribe under Medicare Part D?
In 2024, William Esdorn Oquinn, MD had 579 Medicare Part D claims for 378 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Esdorn Oquinn, MD's MIPS final score?
The 2023 MIPS final score is 70.1 of 100, reported for the practice group. 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.