DR. SRIDHAR CHALASANI MD
Prescription History 1063494607
Colon & Rectal Surgery in Battle Creek, MI
What does Dr. Chalasani prescribe?
In 2024, Dr. Chalasani wrote 217 Medicare prescriptions for 8 medications. The most prescribed was Gavilyte-G (peg3350/sod sulf,bicarb,cl/kcl), with 46 prescriptions for 45 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. Chalasani prescribes.
Medications 8 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 Michigan prescribers.
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 Michigan prescribers
Dr. Chalasani wrote 46 prescriptions for Gavilyte-G, about 66% as often as the typical Michigan prescriber of it (70). Medicare paid $18.01 per fill, versus $18.47 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
This medication is used to treat a certain bowel disease (ulcerative colitis).
Compared with Michigan prescribers
Dr. Chalasani wrote 37 prescriptions for Mesalamine, about 1.3 times as often as the typical Michigan prescriber of it (29). Medicare paid $382.42 per fill, versus $585.74 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 Michigan prescribers
Dr. Chalasani wrote 36 prescriptions for Dicyclomine Hcl, about 1.4 times as often as the typical Michigan prescriber of it (26). Medicare paid $20.15 per fill, versus $19.44 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 Michigan prescribers
Dr. Chalasani wrote 25 prescriptions for Peg-3350 And Electrolytes, about half as often as the typical Michigan prescriber of it (50). Medicare paid $19.46 per fill, versus $18.60 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 Michigan prescribers
Dr. Chalasani wrote 22 prescriptions for Metronidazole, about 88% as often as the typical Michigan prescriber of it (25). Medicare paid $19.44 per fill, versus $30.20 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 Michigan prescribers
Dr. Chalasani wrote 19 prescriptions for Loperamide, about as often as the typical Michigan prescriber of it (20). Medicare paid $22.47 per fill, versus $22.28 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 Michigan prescribers
Dr. Chalasani wrote 18 prescriptions for Budesonide Dr, about 78% as often as the typical Michigan prescriber of it (23). Medicare paid $98.14 per fill, versus $119.00 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 combination medication is used to relieve moderate to severe pain.
Compared with Michigan prescribers
Dr. Chalasani wrote 14 prescriptions for Hydrocodone-Acetaminophen, about 15% as often as the typical Michigan prescriber of it (93). Medicare paid $3.85 per fill, versus $14.86 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. Chalasani’s prescriptions
What does Dr. Chalasani prescribe most?
In 2024 Medicare Part D data, Dr. Chalasani's most prescribed medications were Gavilyte-G (46), Mesalamine (37) and Dicyclomine Hcl (36).
How does Dr. Chalasani's prescribing compare with other Michigan prescribers?
Of the 8 medications with a state comparison, Dr. Chalasani prescribes 2 more often than the typical Michigan prescriber, 3 about as often and 3 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Chalasani 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 Michigan 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.
