Doctor profile · Federal record
Dr. Sean Karp, MD
Gastroenterology Physician (CMS: Gastroenterology) · Laurel, MD
- NPI 1326175837
- Accepts Medicare
- 27 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
7350 van Dusen RD, Suite 210
Laurel, MD 207075263
(301) 498-5500
fax (301) 498-7346 - Additional location
-
6230 Old Dobbin Ln Ste 150
Columbia, MD 210455809
(410) 730-9363
fax (410) 730-2084 - Additional location
-
7350 van Dusen RD Ste 410
Laurel, MD 207075265 - Mailing address
-
7350 van Dusen RD Ste 410
Laurel, MD 207075265
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- January 6, 2026
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Maryland #MD33688
- Medicaid
- MD #400025101
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326175837. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
689
Distinct HCPCS
7
Medicare allowed
$104,170
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 227 | 170 | $139 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 134 | 134 | $183 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 101 | 101 | $166 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 99 | 90 | $96 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 74 | 72 | $111 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 37 | 37 | $278 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 17 | 16 | $193 |
In context: peer comparison
Among 7 peers in Laurel Gastroenterology Physician, average services per provider: 71. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$1,398
Transactions
59
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 18 | $302.69 | |
| Janssen Biotech, INC. | 11 | $212.69 | |
| Boston Scientific Corporation | 1 | $116.52 | |
| Pfizer INC. | 4 | $96.11 | |
| Celgene Corporation | 4 | $82.65 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $74.93 | |
| Regeneron Healthcare Solutions, INC. | 4 | $74.35 | |
| Madrigal Pharmaceuticals | 2 | $70.07 | |
| Lilly USA, LLC | 3 | $60.02 | |
| Intercept Pharmaceuticals, INC. | 2 | $55.67 | |
| Fujifilm Healthcare Americas Corporation | 1 | $45.99 | |
| Celltrion USA INC. | 2 | $41.17 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $40.80 | |
| Genzyme Corporation | 1 | $27.38 | |
| Ardelyx, INC. | 1 | $23.74 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
722
Patients
227
Total drug cost
$68,743
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 164 | 57 | $3,090 |
| Famotidine | Generic | 152 | 48 | $2,223 |
| Dicyclomine Hcl | Generic | 71 | 35 | $1,902 |
| Omeprazole | Generic | 60 | 19 | $757 |
| Linzess (Linaclotide) | Brand | 49 | 15 | $43,265 |
| Lansoprazole | Generic | 43 | 0 | $766 |
| Hydrocortisone | Generic | 32 | 22 | $216 |
| Ondansetron Odt (Ondansetron) | Brand | 26 | 0 | $826 |
| Esomeprazole Magnesium | Generic | 25 | 11 | $2,002 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 21 | 20 | $347 |
Frequently asked questions
What is Dr. Sean Karp's medical specialty?
Dr. Sean Karp practices Gastroenterology Physician in Laurel, MD.
Where does Dr. Sean Karp practice?
Dr. Sean Karp practices at 7350 van Dusen RD, Laurel, MD 207075263. Office phone: 3014985500.
What is Dr. Sean Karp's NPI?
Dr. Sean Karp's National Provider Identifier (NPI) is 1326175837, issued by NPPES.
Does Dr. Sean Karp accept Medicare assignment?
Yes. Dr. Sean Karp accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sean Karp commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.