Sean Karp, MD
Gastroenterology Physician · Laurel, MD
Sean Karp, MD is a gastroenterology physician with a practice address in Laurel, Maryland, and NPI 1326175837, issued on Feb 28, 2007. Check the license (Maryland MD33688, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Sean Karp
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- MD33688 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7350 Van Dusen RD, Laurel, MD 20707
- Phone
- (301) 498-5500
- Enumerated
- Feb 28, 2007
- Record last updated
- Jan 6, 2026
- Fax
- (301) 498-7346
- Medicaid ID
- 400025101 MD
- Medicare enrollment
- Enrolled (PECOS I20040526001216); accepts Medicare assignment
- Medical or professional school
- Hahneman Medical College Of The Pacific, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 505 in Maryland → Look up another NPI →
Also registered at 7350 Van Dusen RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Esther AlumbaPharmacist1275290819
- Mitchell Barber, DPMFoot Surgery Podiatrist1003916164
- Jeffrey Bernstein, M.D.Gastroenterology Physician1861497422
- Priti Bijpuria, M.D.Gastroenterology Physician1306010236
- Michael Carlos, MDCardiovascular Disease Physician1760473110
- Emerson Chang, PA-CMedical Physician Assistant1710127741
Verify Sean Karp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license MD33688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% more Medicare Part D claims than the average gastroenterology physician in 2024
1,036 Medicare Part D claims for 245 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Famotidine201 claims
- Pantoprazole Sodium190 claims
- Dicyclomine Hcl96 claims
- Lansoprazole65 claims
- Linzess64 claims
- Omeprazole52 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: $1,397.80
64 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
- Capital Digestive Care LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sean Karp among 505 gastroenterology physician records in Maryland
Sean Karp, MD is one of 505 gastroenterology physician records with a practice address in Maryland. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.
- NPI issued2007 · 54% of these records are older, 36% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2002 among the 344 with a school on file
- Record last updated2026 · 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 207RG0100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Maryland
There are 505 gastroenterology physician records in Maryland.
All 505 in Maryland → Every provider in Laurel → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jeffrey Bernstein, M.D.Laurel, MD 207071861497422
- Priti Bijpuria, M.D.Laurel, MD 207071306010236
- Richard Chasen, M.D.Laurel, MD 207071790780351
- Joseph Clinton, MDLaurel, MD 207071558822395
- Jeffrey Garbis, M.D.Laurel, MD 207071750386793
- Lauren Halvorson, M.D.Laurel, MD 207071871818328
- Theodore Kim, M.D.Laurel, MD 207071275538845
- Marvin Lawrence, M.D.Laurel, MD 207071699770255
Common questions
What is Sean Karp, MD's NPI number?
Sean Karp, MD's National Provider Identifier (NPI) is 1326175837, issued on Feb 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sean Karp, MD located?
The NPPES record lists a practice address at 7350 Van Dusen RD, Laurel, MD, 20707. Phone: (301) 498-5500. Providers update this record themselves, so call before visiting.
How can I verify Sean Karp, MD's license?
NPPES lists Maryland license number MD33688, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sean Karp, MD prescribe under Medicare Part D?
In 2024, Sean Karp, MD had 1,036 Medicare Part D claims for 245 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.