Carl Wallach, MD
Gastroenterology · Morristown, NJNPI 1962593947
Payments from drug & device makers
What this record shows
The money is spread across several categories — speaking fees (50.3%), food and beverage and travel and lodging — rather than concentrated in one kind of arrangement. 41 manufacturers reported payments, led by Pfizer at 30.8% of the total. Reporting peaked in 2024 at $12,325 and has fallen 55.5% since, to $5,485 in 2025. Among gastroenterology clinicians in NJ with any reported payments, this total sits in the top 5% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 1,268 payments — averaging $32.66 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Pfizer$13K
- AbbVie$13K
- Salix Pharmaceuticals, A Division Of Bausch Health US, LLC$4K
- Ironwood Pharmaceuticals, Inc$3K
- Johnson & Johnson$2K
- Bristol Myers Squibb$2K
- plus $6K from 35 others
Across 403 payments — averaging $1797.77 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.
- Genentech, Inc.$344K
- Boehringer Ingelheim$171K
- Bausch Health US, LLC$126K
- Boehringer Ingelheim International GmbH$20K
- Gilead$18K
- Novo Nordisk AS$17K
- plus $29K from 2 others
What the payments were for
- Consulting fees$160%
- Speaking & faculty fees$20,82550%
- Travel & lodging$1,2493%
- Food & beverage$19,07046%
- Education$2471%
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.
What the payments were tied to
Products named in the reported payments. Only payments of $100 or more are attributed here — the typical reported payment nationally is a meal worth about $16, and listing those product-by-product would be noise.
How this compares
$41,407 in reported general payments places this provider in the 95th percentile of 701 gastroenterology providers in New Jersey.
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 |
|---|---|---|
| StelaraUstekinumab | 15 | $363,101 |
| ZenpepLipase/Protease/Amylase | 98 | $288,273 |
| SucraidSacrosidase | 13 | $182,165 |
| ZeposiaOzanimod Hydrochloride | 15 | $132,057 |
| CreonLipase/Protease/Amylase | 42 | $130,021 |
| Dupixent PenDupilumab | 13 | $114,764 |
| LinzessLinaclotide | 99 | $88,123 |
| ViberziEluxadoline | 26 | $42,161 |
| IbsrelaTenapanor Hcl | 19 | $39,212 |
| Alosetron Hcl | 85 | $36,776 |
| SutabSod Sulf/Pot Chloride/Mag Sulf | 215 | $34,626 |
| Dexlansoprazole DrDexlansoprazole | 122 | $34,089 |
| XifaxanRifaximin | 12 | $26,380 |
| Mesalamine | 84 | $21,138 |
| MotegrityPrucalopride Succinate | 22 | $18,697 |
Paid to pharmacies, not to this prescriber.
Companies that both paid and supply prescribed drugs
These companies both reported payments to this provider and make drugs the provider prescribed under Medicare Part D in 2024. For most specialties this overlap is expected — a cardiologist who is paid by a cardiology drugmaker also treats heart disease. It is shown so the reader can see it, not because it implies anything on its own.
| Company | Paid to this provider | Part D cost of their drugs |
|---|---|---|
| Johnson & JohnsonStelara | $1,935 | $363,10115 claims |
| Aimmune Therapeutics, Inc.Zenpep | $402 | $288,27398 claims |
| AbbVieCreon, Linzess, Viberzi | $12,659 | $260,305167 claims |
| QOL Medical, LLCSucraid | $596 | $182,16513 claims |
| E.r. Squibb & Sons, L.L.C.Zeposia | $466 | $132,05715 claims |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLCXifaxan, Trulance, Plenvu | $3,580 | $46,69957 claims |
| Ardelyx, Inc.Ibsrela | $321 | $39,21219 claims |
| Braintree Laboratories, Inc.Sutab, Suflave | $403 | $35,981226 claims |
| Takeda Pharmaceuticals U.S.A., Inc.Motegrity | $659 | $18,69722 claims |
Reading this fairly. The Part D column is what drug plans and patients paid pharmacies — this provider received none of it, and it reflects how many patients they treat and what those drugs cost. Against peers, this provider's reported payments sit in the 95th percentile of 701 gastroenterology providers in New Jersey.
Other gastroenterology in Morristown
- Vinod RustgiNew Brunswick$431K
- Zamir BrelviNewark$391K
- Adam ElfantMount Laurel$385K
- Devjit NayarHoboken$258K
- Lea ChenNew Brunswick$185K
- Alexander PerelmanWest Orange$160K
- Barry KaufmanEgg Harbor Township$157K
- Anish ShethPrinceton$151K
- Ramesh GuptaFair Lawn$143K
- Sanket PatelVoorhees$134K
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.