Erin Marie Forster, M.D.
Gastroenterology Physician · Charleston, SC
Erin Marie Forster, M.D. is a gastroenterology physician with a practice address in Charleston, South Carolina, and NPI 1972894376, issued on Apr 20, 2011. Check the license (South Carolina 52409, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Erin Marie Forster
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 52409 SC
MD460136 PA
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Apr 20, 2011
- Record last updated
- Nov 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180725001716); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 2011
- 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 Erin Marie Forster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 52409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average gastroenterology physician in 2024
781 Medicare Part D claims for 138 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Stelara130 claims
- Skyrizi On-Body92 claims
- Rinvoq66 claims
- Humira(Cf) Pen63 claims
- Mesalamine31 claims
- Diphenoxylate-Atropine29 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.
Industry payments in 2024: $164,450.85
139 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
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).
Erin Marie Forster among 303 gastroenterology physician records in South Carolina
Erin Marie Forster, 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 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 24% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2011 · median 2005 among the 217 with a school on file
- Record last updated2018 · 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
- Andrew Brock, M.D.Charleston, SC 294251346264959
- 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
Common questions
What is Erin Marie Forster, M.D.'s NPI number?
Erin Marie Forster, M.D.'s National Provider Identifier (NPI) is 1972894376, issued on Apr 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Erin Marie Forster, 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 Erin Marie Forster, M.D.'s license?
NPPES lists South Carolina license number 52409, 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 Erin Marie Forster, M.D. prescribe under Medicare Part D?
In 2024, Erin Marie Forster, M.D. had 781 Medicare Part D claims for 138 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.