DR. SEAN KARP MD
NPI 1326175837
Internal Medicine - Gastroenterology in Laurel, MD
About Dr. Sean Karp Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SEAN KARP MD (NPI 1326175837) is an individual gastroenterology provider in Laurel, Maryland, licensed in Maryland (MD33688) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare White Oak Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Sean Karp Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Sean Karp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Also billed through NPI 1790523249 (Maryland)
- 109 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventist Healthcare White Oak Medical Center
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20707 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAUREL, MD 20707
LAUREL, MD 20707
LAUREL, MD 20707
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sean Karp's NPI number?
The NPI number for Sean Karp is 1326175837. It was assigned to this individual provider in the NPPES registry on February 28, 2007.
Where is Sean Karp located?
Sean Karp practices at 7350 Van Dusen Rd Suite 210, Laurel, MD 20707. The listed phone number is (301) 498-5500.
What is Sean Karp's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Sean Karp enrolled in Medicare?
Yes. Sean Karp is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Sean Karp's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sean Karp reassigns Medicare benefits to Capital Digestive Care, LLC (Laurel, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sean Karp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Sean Karp affiliated with any hospitals?
According to CMS data, Sean Karp is affiliated with Adventist Healthcare White Oak Medical Center.
When was this NPI record last updated?
The NPPES record for Sean Karp was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Sean Karp, MD · NPI 1326175837
Gastroenterology physician in Laurel, Maryland. Individual provider, active in the CMS NPPES registry since February 28, 2007.
## Identity
- **NPI:** 1326175837 (Entity type: Individual)
- **Enumerated:** February 28, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** MD33688 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 7350 VAN DUSEN RD, SUITE 210, Laurel, MD 20707-5263
- **Phone:** (301) 498-5500 · **Fax:** (301) 498-7346
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Capital Digestive Care, LLC (NPI 1326886870, Laurel, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hahneman Medical College Of The Pacific, class of 1999
## Record status
- **NPPES last updated:** January 6, 2026
- **Other identifiers:** Other 635240-03 (MD); Other 635240-04 (MD); Other A1110007 (DC); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1326175837) · Data from the CMS NPPES public registry.