Deidre L. Toomer-Clowney, MD
Internal Medicine Physician · Columbia, SC
Deidre L. Toomer-Clowney, MD is an internal medicine physician with a practice address in Columbia, South Carolina, and NPI 1366530735, issued on Oct 11, 2006. Check the license (South Carolina 14048, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Deidre L. Toomer-Clowney
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14048 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2719 Middleburg Dr, Columbia, SC 29204
- Phone
- (803) 256-1111
- Enumerated
- Oct 11, 2006
- Record last updated
- Jan 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (803) 256-2111
- Medicaid ID
- GP3490 SC
- Medicare enrollment
- Enrolled (PECOS I20091204000033); accepts Medicare assignment
- Medical or professional school
- University Of Kentucky College Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
Also registered at 2719 Middleburg Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Willie Boyd, MDSpecialist1770546574
- Lilly Randolph, MDInternal Medicine Physician1467402446
- Mulugeta Tarekegne, M.D.Internal Medicine Physician1336105535
Verify Deidre L. Toomer-Clowney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 14048Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,036 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 73 claims were for opioids.
Most prescribed
- Mounjaro65 claims
- Fluconazole48 claims
- Prednisone39 claims
- Pravastatin Sodium37 claims
- Allopurinol28 claims
- Amlodipine Besylate25 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: $38.89
2 payments; by number, the most common kind was 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.
Deidre L. Toomer-Clowney among 1,881 internal medicine physician records in South Carolina
Deidre L. Toomer-Clowney, MD 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
- Graduated1987 · median 2006 among the 1,119 with a school on file
- Record last updated2008 · 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).
269 internal medicine physician records list a practice address in Columbia
They are 269 of the 11,200 NPPES records with a practice address in Columbia, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Columbia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Allison, MDColumbia, SC 292041750376521
- Vaughn Barnick, MDColumbia, SC 292041548221864
- James Herman, MDColumbia, SC 292041396858858
- Teresa Kilgore, DOColumbia, SC 292041063519064
- Stephen Lloyd, M.D., PH.D.Columbia, SC 292041922082296
- Lilly Randolph, MDColumbia, SC 292041467402446
- Jerry Robinson, MDColumbia, SC 292041841251691
- Holly Smith, D.O.Columbia, SC 292041518245950
Common questions
What is Deidre L. Toomer-Clowney, MD's NPI number?
Deidre L. Toomer-Clowney, MD's National Provider Identifier (NPI) is 1366530735, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Deidre L. Toomer-Clowney, MD located?
The NPPES record lists a practice address at 2719 Middleburg Dr, Columbia, SC, 29204. Phone: (803) 256-1111. Providers update this record themselves, so call before visiting.
How can I verify Deidre L. Toomer-Clowney, MD's license?
NPPES lists South Carolina license number 14048, 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 Deidre L. Toomer-Clowney, MD prescribe under Medicare Part D?
In 2024, Deidre L. Toomer-Clowney, MD had 1,036 Medicare Part D claims for 50 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.