Andrew S. Brock, M.D.
Gastroenterology Physician · Charleston, SC
Andrew S. Brock, M.D. is a gastroenterology physician with a practice address in Charleston, South Carolina, and NPI 1346264959, issued on Jul 27, 2006. Check the license (South Carolina 30659, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Andrew S. Brock
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 30659 SC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Jul 27, 2006
- Record last updated
- Jul 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111201000767); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 303 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Andrew S. Brock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 30659Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average gastroenterology physician in 2024
790 Medicare Part D claims for 462 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.
Most prescribed
- Gavilyte-G205 claims
- Omeprazole148 claims
- Peg-3350 And Electrolytes113 claims
- Gavilyte-C74 claims
- Famotidine28 claims
- Linzess27 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
- University Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew S. Brock among 303 gastroenterology physician records in South Carolina
Andrew S. Brock, M.D. is one of 303 gastroenterology physician records with a practice address in South Carolina. 82% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 44% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2005 among the 217 with a school on file
- Record last updated2014 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in South Carolina
There are 303 gastroenterology physician records in South Carolina.
All 303 in South Carolina → Every provider in Charleston → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Amit Agrawal, MDCharleston, SC 294251003906017
- Fred Brown, MDCharleston, SC 294251316055262
- Peter Cotton, MDCharleston, SC 294251891803748
- Todd Dantzler, M.D.Charleston, SC 294251811975923
- Mark Delegge, MDCharleston, SC 294251962510917
- Darin Dufault, M.D.Charleston, SC 294251972824787
- Puja Elias, M.D.Charleston, SC 294251780824755
- Badih Elmunzer, M.D.Charleston, SC 294251578682886
Common questions
What is Andrew S. Brock, M.D.'s NPI number?
Andrew S. Brock, M.D.'s National Provider Identifier (NPI) is 1346264959, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew S. Brock, M.D. located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify Andrew S. Brock, M.D.'s license?
NPPES lists South Carolina license number 30659, 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 Andrew S. Brock, M.D. prescribe under Medicare Part D?
In 2024, Andrew S. Brock, M.D. had 790 Medicare Part D claims for 462 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.