Benjamin Isaac Oliver
Family Medicine Physician · Chapin, SC
Benjamin Isaac Oliver is a family medicine physician with a practice address in Chapin, South Carolina, and NPI 1639743180, issued on May 19, 2021. Check the license (South Carolina 86291, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Benjamin Isaac Oliver
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 86291 SC
LL86291 SC
Self-reported in NPPES; status is on the state search - Practice location
- 105 Ellett RD Ste 401, Chapin, SC 29036
- Phone
- (803) 907-8790
- Enumerated
- May 19, 2021
- Record last updated
- Feb 23, 2026
- Fax
- (803) 567-8843
- Medicare enrollment
- Enrolled (PECOS I20250808003317); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,700 in South Carolina → Look up another NPI →
Also registered at 105 Ellett RD Ste 401
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Harshvir Masson, MDFamily Medicine Physician1508440249
- Shamiel Riley, FNPFamily Nurse Practitioner1902278765
Verify Benjamin Isaac Oliver in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 86291Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
892 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Amlodipine Besylate105 claims
- Atorvastatin Calcium92 claims
- Metformin Hcl44 claims
- Fluticasone Propionate38 claims
- Omeprazole37 claims
- Rosuvastatin Calcium36 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
- Prisma Health Medical Group-MidlandsIrmo, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Isaac Oliver among 2,700 family medicine physician records in South Carolina
Benjamin Isaac Oliver 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 2021, is newer than 83% of them.
- NPI issued2021 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2021 · median 2006 among the 1,638 with a school on file
- Record last updated2026 · 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).
9 family medicine physician records list a practice address in Chapin
They are 9 of the 224 NPPES records with a practice address in Chapin, and 2,700 family medicine physician records in South Carolina.
All 2,700 in South Carolina → Every provider in Chapin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Joseph Bowers, MDChapin, SC 290361891718425
- Javier Carles, M.D.Chapin, SC 290361508809344
- James Chapman, M.D.Chapin, SC 290361275584914
- Joseph Evans, MDChapin, SC 290361548277031
- Harshvir Masson, MDChapin, SC 290361508440249
- James Phillips, MDChapin, SC 290361457362758
- Susan Thomas, MDChapin, SC 290361114939972
- Juan Venegas, MDChapin, SC 290361548318264
Common questions
What is Benjamin Isaac Oliver's NPI number?
Benjamin Isaac Oliver's National Provider Identifier (NPI) is 1639743180, issued on May 19, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Isaac Oliver located?
The NPPES record lists a practice address at 105 Ellett RD Ste 401, Chapin, SC, 29036. Phone: (803) 907-8790. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Isaac Oliver's license?
NPPES lists South Carolina license number 86291, 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 Benjamin Isaac Oliver prescribe under Medicare Part D?
In 2024, Benjamin Isaac Oliver had 892 Medicare Part D claims for 106 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.