Thomas Brenzel, MD
Internal Medicine Physician · Charleston, SC
Thomas Brenzel, MD is an internal medicine physician with a practice address in Charleston, South Carolina, and NPI 1548825409, issued on May 7, 2019. Check the license (South Carolina LL86307, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Thomas Brenzel
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- LL86307 SC
Self-reported in NPPES; status is on the state search - Practice location
- 169 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-0435
- Enumerated
- May 7, 2019
- Record last updated
- Jun 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,881 in South Carolina → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Brenzel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license LL86307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
291 Medicare Part D claims for 56 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium31 claims
- Metoprolol Succinate16 claims
- Clopidogrel14 claims
- Amlodipine Besylate13 claims
- Gabapentin12 claims
- Losartan Potassium12 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.
Thomas Brenzel among 1,881 internal medicine physician records in South Carolina
Thomas Brenzel, 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 2019, is newer than 72% of them.
- NPI issued2019 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 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).
427 internal medicine physician records list a practice address in Charleston
They are 427 of the 10,840 NPPES records with a practice address in Charleston, and 1,881 internal medicine physician records in South Carolina.
All 1,881 in South Carolina → Every provider in Charleston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sujeev Bains, MDCharleston, SC 294251609889989
- Elisha Brownfield, MDCharleston, SC 294251639287683
- Ernest Clyburn, MDCharleston, SC 294251235247271
- Kimberly Davis, MDCharleston, SC 294251366550311
- John Feussner, MDCharleston, SC 294251689782534
- Jennifer Goldstein, MDCharleston, SC 294251164472593
- Robert Ishak, M.D.Charleston, SC 294251295727790
- Brad Keith, MDCharleston, SC 294251578671442
Common questions
What is Thomas Brenzel, MD's NPI number?
Thomas Brenzel, MD's National Provider Identifier (NPI) is 1548825409, issued on May 7, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Brenzel, MD located?
The NPPES record lists a practice address at 169 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-0435. Providers update this record themselves, so call before visiting.
How can I verify Thomas Brenzel, MD's license?
NPPES lists South Carolina license number LL86307, 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 Thomas Brenzel, MD prescribe under Medicare Part D?
In 2024, Thomas Brenzel, MD had 291 Medicare Part D claims for 56 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.