Derek John Feussner, M.D.
Gastroenterology Physician · Charleston, SC
Derek John Feussner, M.D. is a gastroenterology physician with a practice address in Charleston, South Carolina, and NPI 1396004479, issued on May 10, 2012. Check the license (South Carolina LL38558, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Derek John Feussner
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- LL38558 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2073 Charlie Hall Blvd, Charleston, SC 29414
- Phone
- (843) 571-0643
- Enumerated
- May 10, 2012
- Record last updated
- May 13, 2024
- Fax
- (843) 571-0311
- Medicare enrollment
- Enrolled (PECOS I20180425000803); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2012
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 303 in South Carolina → Look up another NPI →
Also registered at 2073 Charlie Hall Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erica CrawfordFamily Nurse Practitioner1275460107
- John Litchfield, DOGastroenterology Physician1730329533
- Anne McGuinness, PA-CPhysician Assistant1043932510
- Mary Melin, F.N.P.Family Nurse Practitioner1023444767
- Lori Robbins, M.D.Gastroenterology Physician1629417761
- Michael Sagatelian, MDSpecialist1962452367
Verify Derek John Feussner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license LL38558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,671 Medicare Part D claims for 556 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Pantoprazole Sodium212 claims
- Famotidine179 claims
- Omeprazole157 claims
- Sod Sulf-Potass Sulf-Mag Sulf86 claims
- Gavilyte-C67 claims
- Linzess67 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 98.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,049.59
156 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
- Palmetto Digestive Disease PACharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek John Feussner among 303 gastroenterology physician records in South Carolina
Derek John Feussner, 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 2012, is newer than 76% of them.
- NPI issued2012 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2012 · median 2005 among the 217 with a school on file
- Record last updated2024 · 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
- William Anderson, MDCharleston, SC 294141164520847
- Jeffrey Basile, MDCharleston, SC 294141437393964
- Theodore Gourdin, MDCharleston, SC 294141821094301
- Neven Hadzijahic, MDCharleston, SC 294141427054915
- Eddie Irions, M.D.Charleston, SC 294141285885988
- Christopher Lawrence, MDCharleston, SC 294141609984566
- John Litchfield, DOCharleston, SC 294141730329533
- William Marsteller, M.D.Charleston, SC 294141992917504
Common questions
What is Derek John Feussner, M.D.'s NPI number?
Derek John Feussner, M.D.'s National Provider Identifier (NPI) is 1396004479, issued on May 10, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Derek John Feussner, M.D. located?
The NPPES record lists a practice address at 2073 Charlie Hall Blvd, Charleston, SC, 29414. Phone: (843) 571-0643. Providers update this record themselves, so call before visiting.
How can I verify Derek John Feussner, M.D.'s license?
NPPES lists South Carolina license number LL38558, 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 Derek John Feussner, M.D. prescribe under Medicare Part D?
In 2024, Derek John Feussner, M.D. had 1,671 Medicare Part D claims for 556 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Derek John Feussner, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.