William J. Oconnor, MD
Family Medicine Physician · Myrtle Beach, SC
William J. Oconnor, MD is a family medicine physician with a practice address in Myrtle Beach, South Carolina, and NPI 1174576409, issued on May 18, 2006. Check the license (South Carolina 21194, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William J. Oconnor
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 21194 SC
Self-reported in NPPES; status is on the state search - Practice location
- 7424 N Kings Hwy, Myrtle Beach, SC 29572
- Phone
- (843) 663-8000
- Enumerated
- May 18, 2006
- Record last updated
- Mar 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 211942 SC
- Medicare enrollment
- Enrolled (PECOS I20040115000047); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Verify William J. Oconnor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 21194Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average family medicine physician in 2024
3,241 Medicare Part D claims for 160 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 69 claims were for opioids.
Most prescribed
- Atorvastatin Calcium260 claims
- Lisinopril130 claims
- Amlodipine Besylate123 claims
- Omeprazole112 claims
- Gabapentin98 claims
- Fluticasone Propionate94 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.
Industry payments in 2024: $17.74
1 payment: food and beverage; the largest payer was Dexcom, Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Little River Medical Center IncMyrtle Beach, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William J. Oconnor among 2,700 family medicine physician records in South Carolina
William J. Oconnor, MD is one of 2,700 family medicine physician records with a practice address in South Carolina. 78% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1998 · median 2006 among the 1,638 with a school on file
- Record last updated2015 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
87 family medicine physician records list a practice address in Myrtle Beach
They are 87 of the 2,599 NPPES records with a practice address in Myrtle Beach, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Myrtle Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jerry Banks, MDMyrtle Beach, SC 295721578552410
- Terry Belden, MDMyrtle Beach, SC 295721467428821
- Jonathan Bernard, M.D.Myrtle Beach, SC 295721265881775
- Muhammad Choudry, MDMyrtle Beach, SC 295721295223139
- Nachiket DatarMyrtle Beach, SC 295721104310671
- Sean Gibbs, M.D.Myrtle Beach, SC 295721215010020
- Chad Huberty, M.D.Myrtle Beach, SC 295721407852304
- William Prenatt, MDMyrtle Beach, SC 295721316906191
Common questions
What is William J. Oconnor, MD's NPI number?
William J. Oconnor, MD's National Provider Identifier (NPI) is 1174576409, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William J. Oconnor, MD located?
The NPPES record lists a practice address at 7424 N Kings Hwy, Myrtle Beach, SC, 29572. Phone: (843) 663-8000. Providers update this record themselves, so call before visiting.
How can I verify William J. Oconnor, MD's license?
NPPES lists South Carolina license number 21194, 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 J. Oconnor, MD prescribe under Medicare Part D?
In 2024, William J. Oconnor, MD had 3,241 Medicare Part D claims for 160 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.