Andrew Muir, MD
Gastroenterology · Durham, NCNPI 1093899908
Payments from drug & device makers
What this record shows
This record is dominated by consulting fees: $54,790 of the $55,811 with a category attached, or 98.2%. Gilead accounts for 63.4% of it on its own, with 2 other manufacturers making up the rest. Reporting peaked in 2019 at $30,921 and has fallen 92.3% since, to $2,380 in 2025. Among gastroenterology clinicians in NC with any reported payments, this total sits in the top 10% — high for the specialty, which is a reason to read the composition above rather than the number alone.
Across 24 payments — averaging $2325.46 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Gilead$35K
- AbbVie$17K
- Janssen Research & Development, LLC$3K
Across 261 payments — averaging $24,903 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$6.1M
- Ultragenyx Pharmaceutical Inc.$242K
- GSK$52K
- Viiv Healthcare Company$26K
- Novartis$25K
- Merck$10K
- plus $14K from 2 others
What the payments were for
- Consulting fees$54,79098%
- Travel & lodging$8572%
- Food & beverage$1640%
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 |
|---|---|---|
| Gilead | 8 | $35,380 |
| AbbVie | 15 | $17,021 |
| Janssen Research & Development, LLC | 1 | $3,410 |
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.
- Mavyret$16,835
How this compares
$55,811 in reported general payments places this provider in the 90th percentile of 610 gastroenterology providers in North Carolina.
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 |
|---|---|---|
| Ursodiol | 63 | $11,472 |
| Mycophenolate Mofetil | 25 | $1,568 |
| Mercaptopurine | 11 | $1,229 |
| Azathioprine | 12 | $578 |
| Rifampin | 12 | $370 |
| Ciprofloxacin Hcl | 12 | $74 |
| Omeprazole | 11 | $68 |
| Prednisone | 13 | $27 |
Paid to pharmacies, not to this prescriber.
Other gastroenterology in Durham
- Manal AbdelmalekDurham$402K
- Elizabeth GoacherDurham$41K
- Keyur PatelDurham$41K
- Anna Mae DiehlDurham$36K
- Jeremy Glissen BrownDurham$27K
- Nancy McGrealDurham$26K
- Stephen DealCharlotte$945K
- Fred FowlerCharlotte$932K
- Paul WatkinsChapel Hill$876K
- Nilesh LodhiaCharlotte$735K
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.