Dr. Alaba Abiodun Onasanya, MD
- Part D claims, 2024
- 219
- Industry payments
- $46
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 2670 Mills Park Dr, Rock Hill, SC 29732
- Practice phone
- Call (828) 257-2333
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Columbia VAMC
Rock Hill, South Carolina
Find Dr. Onasanya's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Alaba Abiodun Onasanya is an internist in Rock Hill, South Carolina
Dr. Onasanya practices at Columbia VAMC in Rock Hill, South Carolina.
Dr. Onasanya's NPI, 1891896031, was assigned on September 26, 2006. Dr. Onasanya holds South Carolina license 23264.
- NPI
- 1891896031NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658326954
- NPI enumeration date
- September 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (828) 257-2333
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alaba Abiodun Onasanya practices at Columbia VAMC in Rock Hill, South Carolina
Dr. Onasanya's primary practice is Columbia VAMC, at 2670 Mills Park Dr, Rock Hill, SC 29732 in York County. The practice phone is (828) 257-2333.
- Columbia VAMC2670 Mills Park Dr, Rock Hill, SC 29732 · York CountyPhone(828) 257-2333
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alaba Abiodun Onasanya is affiliated with 2 sites of care and 1 medical group
Dr. Onasanya's primary practice is Columbia VAMC in Rock Hill, South Carolina. The medical group on file is Oak Street Health Greenville Primary Care Clinic. Dmand AI also links Dr. Onasanya to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alaba Abiodun Onasanya's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onasanya practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Columbia VAMC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alaba Abiodun Onasanya is one of 1,707 internists in South Carolina
Internal medicine is Dr. Onasanya's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Onasanya is licensed in South Carolina.
Specialties and state licenses
- Internal medicine, South CarolinaPrimary
Internists near Dr. Onasanya
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Alaba Abiodun Onasanya's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Onasanya's median patient age at 74, with 40% women.
Dr. Onasanya's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women40%
- Men59%
Source: Dmand AI Patient Panel Data
Dr. Alaba Abiodun Onasanya wrote 219 Medicare Part D claims in 2024
In 2024, Dr. Onasanya wrote 219 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 60 of them, across 4 drugs with 11 or more claims each, at $395 in total drug cost. In 2023, CMS named 75 claims across 5 drugs.
Dr. Onasanya's Part D claims by kind of drug, 2024
- Generic218 claims100%
- Brand-name and other1 claims0%
Dr. Onasanya's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 752024: 6020%
Drugs named by CMS: 4 in 2024, 5 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Alaba Abiodun Onasanya takes part in Medicare
Dr. Onasanya accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Alaba Abiodun Onasanya received $46 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Onasanya from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $32.
Companies that paid Dr. Onasanya the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alaba Abiodun Onasanya's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Alaba Abiodun Onasanya
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Alaba Abiodun Onasanya's NPI number?
Dr. Alaba Abiodun Onasanya's NPI number is 1891896031. It was assigned on September 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alaba Abiodun Onasanya?
Dr. Alaba Abiodun Onasanya is an internist in Rock Hill, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alaba Abiodun Onasanya practice?
Dr. Onasanya practices at 2670 Mills Park Dr, Rock Hill, SC 29732. Dr. Onasanya's primary practice is Columbia VAMC in Rock Hill, South Carolina. Dmand AI also links Dr. Onasanya to 1 group practice or clinic.
What is Dr. Alaba Abiodun Onasanya's office phone number?
The practice phone on file for Dr. Onasanya is (828) 257-2333.
What is Dr. Alaba Abiodun Onasanya's medical license number?
Dr. Onasanya holds South Carolina license 23264.
What medical group is Dr. Alaba Abiodun Onasanya part of?
Dr. Onasanya is linked to Oak Street Health Greenville Primary Care Clinic.
Does Dr. Alaba Abiodun Onasanya accept Medicare?
Yes. CMS lists Dr. Onasanya as accepting Medicare assignment.
What drugs does Dr. Alaba Abiodun Onasanya prescribe most?
In 2024 Medicare Part D data, Dr. Onasanya's most prescribed drugs by claims were Amlodipine Besylate, Omeprazole and Atorvastatin Calcium.
Has Dr. Alaba Abiodun Onasanya received payments from drug or device companies?
CMS Open Payments shows $46 in general payments to Dr. Onasanya from 2 companies from 2025 to 2025. The largest total came from Exact Sciences Corporation.
How long has Dr. Alaba Abiodun Onasanya been practicing?
Dr. Onasanya graduated from medical school in 2002, 24 years ago.
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