Doctor profile · Federal record
Dr. Mark Corso, M.D.
Specialist (CMS: Gastroenterology) · Newark, DE
- NPI 1578635090
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4745 Ogletown Stanton RD
Newark, DE 197132067
(302) 738-5300
fax (302) 731-4822 - Mailing address
-
37 Rockford RD
Wilmington, DE 198061003
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 174400000X — NUCC code
- State license (1)
- Delaware #C1-0006956
- Medicaid
- DE #10000232980
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578635090. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,128
Distinct HCPCS
10
Medicare allowed
$169,988
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 225 | 225 | $248 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 219 | 211 | $92 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 174 | 154 | $126 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 116 | 113 | $130 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 103 | 103 | $104 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 64 | 61 | $88 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 53 | 53 | $179 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $166 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 25 | 25 | $170 | |
43251 |
Removal of polyps or growths of esophagus, stomach, and/or upper small bowel using an endoscope with mechanical snare | 23 | 23 | $156 |
In context: peer comparison
Among 5 peers in Newark Specialist, average services per provider: 225. This provider delivers 5.0× the peer median.Open Payments
Industry payments received
All-time total
$645
Transactions
27
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 15 | $260.06 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $120.00 | |
| Boston Scientific Corporation | 1 | $100.00 | |
| Takeda Pharmaceuticals U.S.A., INC. | 2 | $41.05 | |
| Celgene Corporation | 2 | $30.78 | |
| Pfizer INC. | 2 | $30.31 | |
| Ferring Pharmaceuticals INC. | 1 | $23.63 | |
| Sandoz INC. | 1 | $16.68 | |
| Janssen Biotech, INC. | 1 | $16.19 | |
| Micro-Tech Endoscopy USA, INC. | 1 | $6.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,040
Patients
269
Total drug cost
$500,463
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 533 | 175 | $11,040 |
| Esomeprazole Magnesium | Generic | 84 | 26 | $5,475 |
| Mesalamine | Generic | 81 | 19 | $87,343 |
| Famotidine | Generic | 52 | 17 | $1,132 |
| Dicyclomine Hcl | Generic | 45 | 19 | $1,055 |
| Pantoprazole Sodium | Generic | 43 | 0 | $642 |
| Ursodiol | Generic | 42 | 13 | $9,560 |
| Lansoprazole | Generic | 33 | 0 | $3,615 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 30 | 0 | $16,762 |
| Ondansetron Hcl | Generic | 20 | 0 | $571 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Corso's medical specialty?
Dr. Mark Corso practices Specialist in Newark, DE.
Where does Dr. Mark Corso practice?
Dr. Mark Corso practices at 4745 Ogletown Stanton RD, Newark, DE 197132067. Office phone: 3027385300.
What is Dr. Mark Corso's NPI?
Dr. Mark Corso's National Provider Identifier (NPI) is 1578635090, issued by NPPES.
Does Dr. Mark Corso accept Medicare assignment?
Yes. Dr. Mark Corso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Corso commonly perform?
Top Medicare-reported procedures in 2023: Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.