Timothy Michael Marshall, MD
Pediatric Gastroenterology Physician · Charleston, SC
Timothy Michael Marshall, MD is a pediatric gastroenterology physician with a practice address in Charleston, South Carolina, and NPI 1508494287, issued on Mar 30, 2020. Check the license (South Carolina 89687, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Timothy Michael Marshall
- Credential
- MD
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 89687 SC
125.077140 IL
Self-reported in NPPES; status is on the state search - Practice location
- 169 Ashley Ave RM 202, Charleston, SC 29425
- Phone
- (843) 792-0269
- Enumerated
- Mar 30, 2020
- Record last updated
- May 9, 2023
- Entity
- Type 1 · individual
8 nearest pediatric gastroenterology physician records → All 24 in South Carolina → Look up another NPI →
Also registered at 169 Ashley Ave RM 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Timothy Michael Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 89687Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $248.36
2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 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.
Timothy Michael Marshall among 24 pediatric gastroenterology physician records in South Carolina
Timothy Michael Marshall, MD is one of 24 pediatric gastroenterology physician records with a practice address in South Carolina. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.
- NPI issued2020 · 96% of these records are older, 0% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 42% of these records are
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0206X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Gastroenterology Physician providers in South Carolina
There are 24 pediatric gastroenterology physician records in South Carolina.
All 24 in South Carolina → Every provider in Charleston → Pediatric Gastroenterology Physician nationwide →
The 8 pediatric gastroenterology physician records with the nearest ZIP codes
- Rathnasabhapathi Amarnath, MDCharleston, SC 294251154375707
- Janaina Anderson, M.D.Charleston, SC 294251205946290
- Michael Hook, MDCharleston, SC 294251053872051
- Sherif Ibrahim, MDCharleston, SC 294251467949503
- Candi Jump, D.O.Charleston, SC 294251063672475
- Benjamin Kuhn, D.O.Charleston, SC 294251497878680
- Johanna Palmadottir, MDCharleston, SC 294251578731873
- R. Bhanu Pillai, M.DCharleston, SC 294251598726465
Common questions
What is Timothy Michael Marshall, MD's NPI number?
Timothy Michael Marshall, MD's National Provider Identifier (NPI) is 1508494287, issued on Mar 30, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Michael Marshall, MD located?
The NPPES record lists a practice address at 169 Ashley Ave RM 202, Charleston, SC, 29425. Phone: (843) 792-0269. Providers update this record themselves, so call before visiting.
How can I verify Timothy Michael Marshall, MD's license?
NPPES lists South Carolina license number 89687, 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.
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.