Pratima Sharma
Gastroenterology · Ann Arbor, MINPI 1700808862
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $5,520 of the $5,676 with a category attached, or 97.2%. Mallinckrodt Hospital Products Inc. accounts for 97.2% of it on its own, with 3 other manufacturers making up the rest. Reporting peaked in 2020 at $5,520 and has fallen 99.7% since, to $19 in 2021.
Across 4 payments — averaging $1419.09 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Mallinckrodt Hospital Products Inc.$6K
- Mallinckrodt Enterprises LLC$73
- Astellas Pharma US Inc$65
- Pfizer$19
Across 24 payments — averaging $7508.77 each. Payments tied to a research study. These frequently flow through the physician to a hospital or research institution rather than to the physician personally.
- Gilead$99K
- Mallinckrodt Enterprises LLC$71K
- Mallinckrodt Hospital Products Inc.$10K
What the payments were for
- Consulting fees$5,52097%
- Food & beverage$912%
- Education$651%
General payments by program year
Who reported the general payments
Companies are grouped under their corporate parent — a single manufacturer often files under several CMS reporting entities. Research and ownership payments are counted separately and are not in this table.
| Company | Payments | Total |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | 1 | $5,520 |
| Mallinckrodt Enterprises LLC | 1 | $73 |
| Astellas Pharma US Inc | 1 | $65 |
| Pfizer | 1 | $19 |
How this compares
$5,676 in reported general payments places this provider in the 70th percentile of 497 gastroenterology providers in Michigan.
Medicare billing
What this is not: this is the amount Original Medicare Part B allowed for services this provider billed in 2024. It is not their income. It excludes Medicare Advantage — now more than half of all Medicare enrollment — along with Medicaid and all commercial insurance, and it is gross practice revenue before staff, rent, supplies and malpractice premiums. CMS also suppresses any figure covering ten or fewer patients, so low-volume providers appear smaller than they are.
Most prescribed under Part D
| Drug | Claims | Cost to plans & patients |
|---|---|---|
| XifaxanRifaximin | 18 | $54,179 |
| Tacrolimus | 160 | $21,933 |
| Ursodiol | 79 | $14,400 |
| Cyclosporine ModifiedCyclosporine, Modified | 39 | $8,756 |
| Entecavir | 26 | $7,519 |
| Mycophenolate Mofetil | 25 | $1,469 |
| Tenofovir Disoproxil Fumarate | 13 | $417 |
| Prednisone | 26 | $299 |
| Omeprazole | 24 | $250 |
| Spironolactone | 16 | $228 |
| Furosemide | 19 | $227 |
Paid to pharmacies, not to this prescriber.
Other gastroenterology in Ann Arbor
- Philip SchoenfeldAnn Arbor$539K
- Michelle Muza-MoonsAnn Arbor$481K
- Allison SchulmanAnn Arbor$124K
- Eric ShahAnn Arbor$120K
- Peter HigginsAnn Arbor$111K
- Neehar ParikhAnn Arbor$101K
- William CheyAnn Arbor$90K
- Ryan StidhamAnn Arbor$83K
- Elliot TapperAnn Arbor$69K
- Michael RiceAnn Arbor$48K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Billing: Medicare Physician & Other Practitioners, data year 2024. Original Medicare Part B only.
- Identity: NPPES NPI Registry, July 2026.