Marshall Shannon Shook, MD
Cardiovascular Disease Physician · Beaufort, SC
Marshall Shannon Shook, MD is a cardiovascular disease physician with a practice address in Beaufort, South Carolina, and NPI 1518940469, issued on Nov 23, 2005. Check the license (South Carolina 24622, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marshall Shannon Shook
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License numbers
- 24622 SC
ME102688 FL
42970 TN
Self-reported in NPPES; status is on the state search - Practice location
- Beaufort Memorial Heart Specialists, Beaufort, SC 29906
- Phone
- (843) 770-0404
- Enumerated
- Nov 23, 2005
- Record last updated
- Jul 25, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (844) 295-9872
- Medicaid ID
- 246228 SC
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 300 in South Carolina → Look up another NPI →
Also registered at Beaufort Memorial Heart Specialists
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barney Beaver, D.O.Cardiovascular Disease Physician1609870450
- David Harshman, MDCardiovascular Disease Physician1629057344
- Stuart Smalheiser, M.D.Cardiovascular Disease Physician1427126663
Verify Marshall Shannon Shook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 24622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
100 Medicare Part D claims for 48 beneficiaries, against an average of 3,078 among the 20,728 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.
Marshall Shannon Shook among 300 cardiovascular disease physician records in South Carolina
Marshall Shannon Shook, MD is one of 300 cardiovascular disease physician records with a practice address in South Carolina. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in South Carolina
There are 300 cardiovascular disease physician records in South Carolina.
All 300 in South Carolina → Every provider in Beaufort → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Barney Beaver, D.O.Beaufort, SC 299061609870450
- Lee Butterfield, M.D.Beaufort, SC 299061568401099
- David Harshman, MDBeaufort, SC 299061629057344
- Stuart Smalheiser, M.D.Beaufort, SC 299061427126663
- John Lystash, M.D.Bluffton, SC 299101336132729
- Jonathan Gregory, M.D., FACCSaint Helena Island, SC 299201417940792
- Timothy Alikakos, M.D.Hilton Head Island, SC 299261427043223
- Dale Daly, MDHilton Head Island, SC 299261851380901
Common questions
What is Marshall Shannon Shook, MD's NPI number?
Marshall Shannon Shook, MD's National Provider Identifier (NPI) is 1518940469, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marshall Shannon Shook, MD located?
The NPPES record lists a practice address at Beaufort Memorial Heart Specialists, Beaufort, SC, 29906. Phone: (843) 770-0404. Providers update this record themselves, so call before visiting.
How can I verify Marshall Shannon Shook, MD's license?
NPPES lists South Carolina license number 24622, 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 Marshall Shannon Shook, MD prescribe under Medicare Part D?
In 2024, Marshall Shannon Shook, MD had 100 Medicare Part D claims for 48 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.