Doctor profile · Federal record
Dr. Daniel Iseman, MD
Gastroenterology Physician (CMS: Gastroenterology) · Columbia, SC
- NPI 1093777310
- Accepts Medicare
- MIPS 83.0 / 100 · 2023
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1520 Taylor St, Suite 200
Columbia, SC 292012901
(803) 509-5710
fax (803) 509-5711
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- March 11, 2016
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- South Carolina #TL28664
- Medicaid (2)
- SC #286648 · SC #GP5735
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093777310. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,053
Distinct HCPCS
10
Medicare allowed
$133,679
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 144 | 138 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 143 | 128 | $119 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 135 | 135 | $68 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 111 | 111 | $106 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 90 | 88 | $241 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 72 | 72 | $173 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 68 | 63 | $85 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 66 | 65 | $140 | |
43450 |
Dilation of esophagus | 55 | 53 | $38 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $153 |
In context: peer comparison
Among 12 peers in Columbia Gastroenterology Physician, average services per provider: 66. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$2,792
Transactions
152
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 63 | $877.23 | |
| Qol Medical, LLC | 12 | $287.62 | |
| Takeda Pharmaceuticals U.S.A., INC. | 12 | $233.34 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 10 | $182.87 | |
| Pfizer INC. | 10 | $152.16 | |
| Genzyme Corporation | 6 | $146.08 | |
| Merck Sharp & Dohme LLC | 6 | $99.41 | |
| Lilly USA, LLC | 6 | $98.23 | |
| Celgene Corporation | 6 | $85.76 | |
| Celltrion USA INC. | 4 | $77.56 | |
| Ardelyx, INC. | 4 | $77.06 | |
| Regeneron Healthcare Solutions, INC. | 4 | $75.79 | |
| Ironwood Pharmaceuticals, INC | 4 | $70.24 | |
| Phathom Pharmaceuticals, INC. | 3 | $50.83 | |
| Gilead Sciences, INC. | 2 | $44.23 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,170
Patients
360
Total drug cost
$2,229,873
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 517 | 157 | $7,585 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 138 | 132 | $2,219 |
| Linzess (Linaclotide) | Brand | 67 | 22 | $43,277 |
| Colestipol Hcl | Generic | 60 | 14 | $7,815 |
| Humira(Cf) Pen (Adalimumab) | Brand | 52 | 0 | $775,902 |
| Omeprazole | Generic | 49 | 13 | $640 |
| Stelara (Ustekinumab) | Brand | 47 | 0 | $1,318,205 |
| Lansoprazole | Generic | 44 | 0 | $958 |
| Mesalamine ER (Mesalamine) | Brand | 40 | 0 | $20,941 |
| Dexlansoprazole Dr (Dexlansoprazole) | Brand | 36 | 0 | $16,452 |
Hospital affiliations
Frequently asked questions
What is Dr. Daniel Iseman's medical specialty?
Dr. Daniel Iseman practices Gastroenterology Physician in Columbia, SC.
Where does Dr. Daniel Iseman practice?
Dr. Daniel Iseman practices at 1520 Taylor St, Columbia, SC 292012901. Office phone: 8035095710.
What is Dr. Daniel Iseman's NPI?
Dr. Daniel Iseman's National Provider Identifier (NPI) is 1093777310, issued by NPPES.
Does Dr. Daniel Iseman accept Medicare assignment?
Yes. Dr. Daniel Iseman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Iseman commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99202). Source: CMS Medicare Physician & Other Practitioners file.