Alaba Abiodun Onasanya, M.D
Internal Medicine Physician · Rock Hill, SC
Alaba Abiodun Onasanya, M.D is an internal medicine physician with a practice address in Rock Hill, South Carolina, and NPI 1891896031, issued on Sep 26, 2006. Check the license (South Carolina 23264, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alaba Abiodun Onasanya
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 23264 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1735 Heckle Blvd Unit M-S130, Rock Hill, SC 29732
- Phone
- (803) 659-3444
- Enumerated
- Sep 26, 2006
- Record last updated
- Aug 28, 2025
- Medicare enrollment
- Enrolled (PECOS I20251125004287); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 1735 Heckle Blvd Unit M-S130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Berry, ANPNurse Practitioner1174983878
- Alana JonesNurse Practitioner1881380517
- Karla Lundy, NPFamily Nurse Practitioner1487298279
Verify Alaba Abiodun Onasanya in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 23264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
219 Medicare Part D claims for 25 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate17 claims
- Omeprazole17 claims
- Atorvastatin Calcium13 claims
- Furosemide13 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.
Bills Medicare through one group practice
- Oak Street Health Physicians Group OF South Carolina LLCRock Hill, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alaba Abiodun Onasanya among 1,881 internal medicine physician records in South Carolina
Alaba Abiodun Onasanya, M.D is one of 1,881 internal medicine physician records with a practice address in South Carolina. 81% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 58% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2006 among the 1,119 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in South Carolina
There are 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Rock Hill → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anju Choudhury, MDRock Hill, SC 297321942266960
- Sushil Das, M.D.Rock Hill, SC 297321659353811
- Bamidele Ekunsanmi, M.DRock Hill, SC 297321932156171
- John Hoitink, MDRock Hill, SC 297321861484750
- Rhea Hsu, MDRock Hill, SC 297321952394744
- Matthew Jenkins, MDRock Hill, SC 297321467444133
- Rajesh Kedar, MDRock Hill, SC 297321659337681
- Sandra McMahon, M.D.,Rock Hill, SC 297321538189519
Common questions
What is Alaba Abiodun Onasanya, M.D's NPI number?
Alaba Abiodun Onasanya, M.D's National Provider Identifier (NPI) is 1891896031, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alaba Abiodun Onasanya, M.D located?
The NPPES record lists a practice address at 1735 Heckle Blvd Unit M-S130, Rock Hill, SC, 29732. Phone: (803) 659-3444. Providers update this record themselves, so call before visiting.
How can I verify Alaba Abiodun Onasanya, M.D's license?
NPPES lists South Carolina license number 23264, 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 Alaba Abiodun Onasanya, M.D prescribe under Medicare Part D?
In 2024, Alaba Abiodun Onasanya, M.D had 219 Medicare Part D claims for 25 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.