Barry C. Blackston, M.D.
Internal Medicine Physician · Greenville, SC
Barry C. Blackston, M.D. is an internal medicine physician with a practice address in Greenville, South Carolina, and NPI 1316948185, issued on Aug 3, 2005. Check the license (South Carolina 16698, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Barry C. Blackston
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 16698 SC
Self-reported in NPPES; status is on the state search - Practice location
- 8 Memorial Medical CT, Greenville, SC 29605
- Phone
- (864) 242-5678
- Enumerated
- Aug 3, 2005
- Record last updated
- Sep 14, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (864) 242-5679
- Medicaid ID
- GP3048 SC
- Entity
- Type 1 · individual
Also registered at 8 Memorial Medical CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Barry C. Blackston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 16698Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% more Medicare Part D claims than the average internal medicine physician in 2024
4,158 Medicare Part D claims for 255 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 127 claims were for opioids.
Most prescribed
- Levothyroxine Sodium222 claims
- Simvastatin173 claims
- Lisinopril167 claims
- Amlodipine Besylate162 claims
- Omeprazole140 claims
- Famotidine134 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: $14.40
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
253 internal medicine physician records list a practice address in Greenville
They are 253 of the 10,264 NPPES records with a practice address in Greenville, and 1,881 internal medicine physician records in South Carolina.
All 253 in Greenville → All 1,881 in South Carolina → Every provider in Greenville →
Other internal medicine physician records in South Carolina
- Sheharyar Abbasi, DOMyrtle Beach, SC1619617222
- John Abbott, M.D.Sumter, SC1093830762
- Amjad Abdulrahman, MDIrmo, SC1194718841
- Alvin Abinsay, M.D.Marion, SC1689608002
- Izabela Abissi, DOCharleston, SC1376387803
- Tinu Abraham, MDGreenwood, SC1194354399
- Natallia Abramovich, MDSeneca, SC1568647949
- Ibrahim Abu Dayah, MDMyrtle Beach, SC1306368667
- Lauren Abusal, MD, MSCRMyrtle Beach, SC1093552911
- John Adams, MDElgin, SC1750395570
Common questions
What is Barry C. Blackston, M.D.'s NPI number?
Barry C. Blackston, M.D.'s National Provider Identifier (NPI) is 1316948185, issued on Aug 3, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Barry C. Blackston, M.D. located?
The NPPES record lists a practice address at 8 Memorial Medical CT, Greenville, SC, 29605. Phone: (864) 242-5678. Providers update this record themselves, so call before visiting.
How can I verify Barry C. Blackston, M.D.'s license?
NPPES lists South Carolina license number 16698, 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 Barry C. Blackston, M.D. prescribe under Medicare Part D?
In 2024, Barry C. Blackston, M.D. had 4,158 Medicare Part D claims for 255 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.