Katelyn Elaine Madigan, MD
Gastroenterology Physician · Greenville, SC
Katelyn Elaine Madigan, MD is a gastroenterology physician with a practice address in Greenville, South Carolina, and NPI 1104489798, issued on Apr 18, 2019. Check the license on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katelyn Elaine Madigan
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 2024-01877 NC
Self-reported in NPPES; status is on the state search - Practice location
- 125 Halton RD Ste 200, Greenville, SC 29607
- Phone
- (864) 232-7338
- Enumerated
- Apr 18, 2019
- Record last updated
- Jun 10, 2025
- Medicare enrollment
- Enrolled (PECOS I20250920000385); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 303 in South Carolina → Look up another NPI →
Also registered at 125 Halton RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Barnes, MDGastroenterology Physician1699118133
- Stephen Brackbill, MDGastroenterology Physician1437190428
- Eric Carandang, PA-CMedical Physician Assistant1629010210
- Meagan Duggan, RD, CSO, LDRegistered Dietitian1457220196
- Scott Farley, MDGastroenterology Physician1487274429
- Christopher Fyock, MDGastroenterology Physician1073738696
Verify Katelyn Elaine Madigan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average gastroenterology physician in 2024
185 Medicare Part D claims for 62 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Omeprazole33 claims
- Famotidine23 claims
- Dicyclomine Hcl20 claims
- Ciprofloxacin Hcl19 claims
- Colesevelam Hcl17 claims
- Pantoprazole Sodium15 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: $299.67
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. 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
- Gastroenterology Associates, PAGreenville, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katelyn Elaine Madigan among 303 gastroenterology physician records in South Carolina
Katelyn Elaine Madigan, MD 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 2019, is newer than 95% of them.
- NPI issued2019 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2019 · median 2005 among the 217 with a school on file
- Record last updated2025 · 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 Greenville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Stephen Brackbill, MDGreenville, SC 296071437190428
- Christopher Fyock, MDGreenville, SC 296071073738696
- David Gaines, MDGreenville, SC 296071689618753
- Lawrence Hartley, MDGreenville, SC 296071578548954
- J. Holt, M.D.Greenville, SC 296071073608451
- Rehan Khan, M.D.Greenville, SC 296071811197817
- Joseph Lebel, M.D.Greenville, SC 296071790878213
- Einar Lurix, M.D.Greenville, SC 296071558565879
Common questions
What is Katelyn Elaine Madigan, MD's NPI number?
Katelyn Elaine Madigan, MD's National Provider Identifier (NPI) is 1104489798, issued on Apr 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Elaine Madigan, MD located?
The NPPES record lists a practice address at 125 Halton RD Ste 200, Greenville, SC, 29607. Phone: (864) 232-7338. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Elaine Madigan, MD's license?
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 Katelyn Elaine Madigan, MD prescribe under Medicare Part D?
In 2024, Katelyn Elaine Madigan, MD had 185 Medicare Part D claims for 62 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.