DANIEL ISEMAN MD
Prescription History 1093777310
Internal Medicine - Gastroenterology in Columbia, SC
What does Dr. Iseman prescribe?
In 2024, Dr. Iseman wrote 1,524 Medicare prescriptions for 34 medications. The most prescribed was Pantoprazole Sodium, with 616 prescriptions for 173 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Iseman prescribes.
Medications 34 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other South Carolina prescribers.
What it is used for
Pantoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with South Carolina prescribers
Dr. Iseman wrote 616 prescriptions for Pantoprazole Sodium, about 7.1 times as often as the typical South Carolina prescriber of it (86). Medicare paid $10.87 per fill, versus $12.36 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with South Carolina prescribers
Dr. Iseman wrote 76 prescriptions for Gavilyte-G, about 1.4 times as often as the typical South Carolina prescriber of it (56). Medicare paid $15.52 per fill, versus $15.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with South Carolina prescribers
Dr. Iseman wrote 74 prescriptions for Linzess, about 2.3 times as often as the typical South Carolina prescriber of it (32). Medicare paid $600.04 per fill, versus $854.65 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Colestipol is used along with a proper diet to lower cholesterol in the blood.
Compared with South Carolina prescribers
Dr. Iseman wrote 71 prescriptions for Colestipol Hcl, about 2.6 times as often as the typical South Carolina prescriber of it (27). Medicare paid $96.07 per fill, versus $79.06 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain bowel disease (ulcerative colitis).
Compared with South Carolina prescribers
Dr. Iseman wrote 53 prescriptions for Mesalamine, about 2.1 times as often as the typical South Carolina prescriber of it (25). Medicare paid $697.33 per fill, versus $466.09 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with South Carolina prescribers
Dr. Iseman wrote 51 prescriptions for Omeprazole, about half as often as the typical South Carolina prescriber of it (113). Medicare paid $11.90 per fill, versus $12.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain bowel disease (ulcerative colitis).
Compared with South Carolina prescribers
Dr. Iseman wrote 46 prescriptions for Mesalamine Er, about 2.4 times as often as the typical South Carolina prescriber of it (19). Medicare paid $342.51 per fill, versus $256.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Ustekinumab is used to treat plaque psoriasis, a certain type of arthritis (psoriatic arthritis), or certain bowel conditions (Crohn's disease, ulcerative colitis).
Compared with South Carolina prescribers
Dr. Iseman wrote 39 prescriptions for Stelara, about 1.3 times as often as the typical South Carolina prescriber of it (29). Medicare paid $26,955.40 per fill, versus $28,846.31 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis).
Compared with South Carolina prescribers
Dr. Iseman wrote 38 prescriptions for Humira(Cf) Pen, about 88% as often as the typical South Carolina prescriber of it (43). Medicare paid $14,733.18 per fill, versus $9,532.61 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dexlansoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with South Carolina prescribers
Dr. Iseman wrote 37 prescriptions for Dexlansoprazole Dr, about 1.9 times as often as the typical South Carolina prescriber of it (20). Medicare paid $333.91 per fill, versus $295.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Lansoprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with South Carolina prescribers
Dr. Iseman wrote 36 prescriptions for Lansoprazole, about 1.8 times as often as the typical South Carolina prescriber of it (20). Medicare paid $31.06 per fill, versus $42.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication contains digestive enzymes to help break down and digest fats, starch, and proteins in food.
Compared with South Carolina prescribers
Dr. Iseman wrote 29 prescriptions for Zenpep, about 1.5 times as often as the typical South Carolina prescriber of it (19). Medicare paid $4,170.88 per fill, versus $2,929.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain types of constipation (chronic idiopathic constipation, irritable bowel syndrome with constipation).
Compared with South Carolina prescribers
Dr. Iseman wrote 26 prescriptions for Lubiprostone, about 1.3 times as often as the typical South Carolina prescriber of it (20). Medicare paid $212.58 per fill, versus $115.95 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat plaque psoriasis and psoriatic arthritis.
Compared with South Carolina prescribers
Dr. Iseman wrote 25 prescriptions for Skyrizi On-Body, about half as often as the typical South Carolina prescriber of it (45). Medicare paid $21,786.66 per fill, versus $19,662.23 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with South Carolina prescribers
Dr. Iseman wrote 21 prescriptions for Ibsrela, about as often as the typical South Carolina prescriber of it (20). Medicare paid $2,543.94 per fill, versus $2,012.08 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain bowel condition (Crohn's disease).
Compared with South Carolina prescribers
Dr. Iseman wrote 18 prescriptions for Budesonide Dr, about 83% as often as the typical South Carolina prescriber of it (22). Medicare paid $744.21 per fill, versus $131.98 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication contains digestive enzymes to help break down and digest fats, starch, and proteins in food.
Compared with South Carolina prescribers
Dr. Iseman wrote 18 prescriptions for Creon, about 81% as often as the typical South Carolina prescriber of it (22). Medicare paid $3,178.79 per fill, versus $2,268.70 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Esomeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with South Carolina prescribers
Dr. Iseman wrote 18 prescriptions for Esomeprazole Magnesium, about half as often as the typical South Carolina prescriber of it (34). Medicare paid $76.36 per fill, versus $44.38 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat constipation caused by opioid medications in people with ongoing pain that is not caused by cancer.
Compared with South Carolina prescribers
Dr. Iseman wrote 18 prescriptions for Movantik, about 85% as often as the typical South Carolina prescriber of it (21). Medicare paid $398.60 per fill, versus $407.79 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy.
Compared with South Carolina prescribers
Dr. Iseman wrote 17 prescriptions for Plenvu, about 85% as often as the typical South Carolina prescriber of it (20). Medicare paid $137.62 per fill, versus $141.37 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with South Carolina prescribers
Dr. Iseman wrote 17 prescriptions for Prednisone, about 31% as often as the typical South Carolina prescriber of it (55). Medicare paid $2.40 per fill, versus $3.83 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Ursodiol is used to dissolve certain types of gallstones, to prevent gallstones from forming in obese patients who are losing weight rapidly, and to treat a certain type of liver disease (primary biliary cholangitis).
Compared with South Carolina prescribers
Dr. Iseman wrote 17 prescriptions for Ursodiol, about 71% as often as the typical South Carolina prescriber of it (24). Medicare paid $236.13 per fill, versus $140.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dexlansoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with South Carolina prescribers
Dr. Iseman wrote 15 prescriptions for Dexilant, about as often as the typical South Carolina prescriber of it (15). Medicare paid $747.90 per fill, versus $485.99 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with South Carolina prescribers
Dr. Iseman wrote 15 prescriptions for Trulance, about 82% as often as the typical South Carolina prescriber of it (18). Medicare paid $1,124.19 per fill, versus $728.18 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Vonoprazan is used to treat certain throat (esophagus) problems (erosive esophagitis, heartburn).
Compared with South Carolina prescribers
Dr. Iseman wrote 15 prescriptions for Voquezna, about as often as the typical South Carolina prescriber of it (15). Medicare paid $630.61 per fill, versus $817.37 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Baclofen is used to treat muscle spasms caused by certain conditions (such as multiple sclerosis, spinal cord injury/disease).
Compared with South Carolina prescribers
Dr. Iseman wrote 14 prescriptions for Baclofen, about 37% as often as the typical South Carolina prescriber of it (38). Medicare paid $42.65 per fill, versus $16.91 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with South Carolina prescribers
Dr. Iseman wrote 14 prescriptions for Famotidine, about 22% as often as the typical South Carolina prescriber of it (65). Medicare paid $14.73 per fill, versus $14.15 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat depression.
Compared with South Carolina prescribers
Dr. Iseman wrote 14 prescriptions for Nortriptyline Hcl, about half as often as the typical South Carolina prescriber of it (25). Medicare paid $5.38 per fill, versus $15.52 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Rabeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with South Carolina prescribers
Dr. Iseman wrote 14 prescriptions for Rabeprazole Sodium, about 70% as often as the typical South Carolina prescriber of it (20). Medicare paid $32.41 per fill, versus $43.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dicyclomine is used to treat a certain type of intestinal problem called irritable bowel syndrome.
Compared with South Carolina prescribers
Dr. Iseman wrote 13 prescriptions for Dicyclomine Hcl, about half as often as the typical South Carolina prescriber of it (27). Medicare paid $24.71 per fill, versus $20.10 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with South Carolina prescribers
Dr. Iseman wrote 13 prescriptions for Gavilyte-C, about 29% as often as the typical South Carolina prescriber of it (45). Medicare paid $16.52 per fill, versus $16.99 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Metronidazole is an antibiotic that is used to treat a wide variety of infections.
Compared with South Carolina prescribers
Dr. Iseman wrote 13 prescriptions for Metronidazole, about half as often as the typical South Carolina prescriber of it (24). Medicare paid $9.00 per fill, versus $27.92 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
PEG (polyethylene glycol) with electrolyte is used to clean out the intestines before certain bowel exam procedures such as colonoscopy or barium enema X-rays.
Compared with South Carolina prescribers
Dr. Iseman wrote 12 prescriptions for Peg-3350 And Electrolytes, about 34% as often as the typical South Carolina prescriber of it (36). Medicare paid $16.36 per fill, versus $16.90 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat a certain stomach/abdominal disorder (irritable bowel syndrome with diarrhea, or IBS-D).
Compared with South Carolina prescribers
Dr. Iseman wrote 11 prescriptions for Viberzi, about 67% as often as the typical South Carolina prescriber of it (16). Medicare paid $1,575.38 per fill, versus $1,593.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Iseman’s prescriptions
What does Dr. Iseman prescribe most?
In 2024 Medicare Part D data, Dr. Iseman's most prescribed medications were Pantoprazole Sodium (616), Gavilyte-G (76) and Linzess (74).
How does Dr. Iseman's prescribing compare with other South Carolina prescribers?
Of the 34 medications with a state comparison, Dr. Iseman prescribes 11 more often than the typical South Carolina prescriber, 9 about as often and 14 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Iseman prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the South Carolina prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
