Marissa Brock
Student in an Organized Health Care Education/Training Program · Charleston, SC
Marissa Brock is a student in an organized health care education/training program with a practice address in Charleston, South Carolina, and NPI 1851093058, issued on Mar 20, 2023. Check the license with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marissa Brock
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (708) 420-3362
- Enumerated
- Mar 20, 2023
- Record last updated
- Mar 20, 2023
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 2,021 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 Marissa Brock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024
115 Medicare Part D claims for 48 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.
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.
Marissa Brock among 2,021 student in an organized health care education/training program records in South Carolina
Marissa Brock is one of 2,021 student in an organized health care education/training program records with a practice address in South Carolina. 23% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 21% of them.
- NPI issued2023 · 21% of these records are older, 69% newer
- In a Medicare fileYes · 23% of these records are
- In the CMS Doctors and Clinicians fileNo · 2% of these records are
- Record last updated2023 · 12% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 student in an organized health care education/training program records list a practice address in Charleston
They are 344 of the 10,840 NPPES records with a practice address in Charleston, and 2,021 student in an organized health care education/training program records in South Carolina.
All 2,021 in South Carolina → Every provider in Charleston → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Hawazen Alsaedi, MDCharleston, SC 294251669607305
- Ananda Amstadter, PHDCharleston, SC 294251346576253
- Larissa Check, CARDIOLOGYCharleston, SC 294251215374673
- Annette Gisele Chua, M.D.Charleston, SC 294251609181346
- Ellen Daly, MDCharleston, SC 294251427587880
- Jared Dempsey, M.A.Charleston, SC 294251144348236
- Palanivelraju Gopalakrishnan, M.DCharleston, SC 294251700228715
- Stefanie Grewe, M.D.Charleston, SC 294251528592904
Common questions
What is Marissa Brock's NPI number?
Marissa Brock's National Provider Identifier (NPI) is 1851093058, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Marissa Brock located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (708) 420-3362. Providers update this record themselves, so call before visiting.
How can I verify Marissa Brock's license?
Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Marissa Brock prescribe under Medicare Part D?
In 2024, Marissa Brock had 115 Medicare Part D claims for 48 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.