Shawn Hamm, MD
Addiction Medicine · Bartlett, TNNPI 1821330895
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 98.8% of the total across 100 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. 11 manufacturers reported payments, led by Indivior Inc. at 37.8% of the total. 2025 is the largest year on record at $649, 4.3 times the $153 reported in 2019.
Across 100 payments — averaging $20.48 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Indivior Inc.$775
- Braeburn Inc.$640
- Alkermes, Inc.$280
- MDD US Operations, LLC$98
- ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.)$79
- AbbVie$53
- plus $123 from 5 others
What the payments were for
- Food & beverage$2,02499%
- Education$241%
Most of this is food and beverage — typically meals provided during product presentations at a clinic or hospital. Nationally that is the single largest category of reported payments by count.
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 |
|---|---|---|
| Indivior Inc. | 34 | $775 |
| Braeburn Inc. | 33 | $640 |
| Alkermes, Inc. | 15 | $280 |
| MDD US Operations, LLC | 6 | $98 |
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 4 | $79 |
| AbbVie | 3 | $53 |
| Napo Pharmaceuticals Inc | 1 | $31 |
| Titan Pharmaceuticals, Inc. | 1 | $29 |
| Lundbeck LLC | 1 | $27 |
| Otsuka America Pharmaceutical, Inc. | 1 | $20 |
| Axsome Therapeutics, Inc. | 1 | $16 |
How this compares
$2,048 in reported general payments places this provider in the 85th percentile of 76 addiction medicine providers in Tennessee.
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 |
|---|---|---|
| Buprenorphine-NaloxoneBuprenorphine Hcl/Naloxone Hcl | 1,132 | $184,033 |
| BrixadiBuprenorphine | 25 | $40,044 |
| SuboxoneBuprenorphine Hcl/Naloxone Hcl | 56 | $39,798 |
| TrintellixVortioxetine Hydrobromide | 15 | $7,195 |
| Varenicline Tartrate | 28 | $6,337 |
| Duloxetine Hcl | 52 | $1,630 |
| Gabapentin | 147 | $1,420 |
| Hydroxyzine Hcl | 118 | $1,389 |
| Acamprosate Calcium | 14 | $1,026 |
| Pregabalin | 17 | $758 |
| Quetiapine Fumarate | 56 | $686 |
| Clonazepam | 109 | $550 |
| Clonidine Hcl ErClonidine Hcl | 11 | $483 |
| Desvenlafaxine Succinate ErDesvenlafaxine Succinate | 11 | $467 |
| Buspirone Hcl | 31 | $444 |
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 |
|---|---|---|
| Braeburn Inc.Brixadi | $640 | $40,04425 claims |
| Indivior Inc.Suboxone | $775 | $39,79856 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 85th percentile of 76 addiction medicine providers in Tennessee.
Other addiction medicine in Bartlett
- Drew BlackstockBartlett$4K
- John Rocco RodneyMemphis$251K
- Marie-Louise MengNashville$19K
- David McCordFranklin$14K
- Kimberly CollinsAntioch$6K
- Joshua HareChattanooga$5K
- Karen AveryHixson$4K
- Winston GrinerNashville$4K
- Richard SoperNashville$2K
- Steve WeaverJackson$2K
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.