Thomas Larkin, MD
Pain Medicine · Hagerstown, MDNPI 1043318587
Payments from drug & device makers
What this record shows
Almost everything reported here is food and beverage — 100.0% of the total across 184 separate payments, which is the pattern of a clinician who attends manufacturer presentations rather than one with a consulting arrangement. It is spread thinly across 33 manufacturers, the largest accounting for just 20.1% — the pattern of someone who eats at a lot of different presentations.
Across 184 payments — averaging $27.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Abbott$1K
- Boston Scientific$752
- Nevro Corp.$653
- Medtronic$491
- Collegium Pharmaceutical, Inc.$335
- AbbVie$271
- plus $1K from 27 others
Across 4 payments — averaging $2041.50 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.
- Scilex Pharmaceuticals Inc.$8K
What the payments were for
- Food & beverage$4,999100%
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 |
|---|---|---|
| Abbott | 48 | $1,006 |
| Boston Scientific | 20 | $752 |
| Nevro Corp. | 11 | $653 |
| Medtronic(2 entities) | 14 | $491 |
| Collegium Pharmaceutical, Inc. | 19 | $335 |
| AbbVie(2 entities) | 12 | $271 |
| Si-bone, Inc. | 4 | $235 |
| Tersera Therapeutics LLC | 9 | $181 |
| Globus Medical(2 entities) | 3 | $133 |
| Amgen | 2 | $131 |
| Biotronik NRO, Inc. | 5 | $93 |
| Lilly USA, LLC | 5 | $80 |
| Teva Pharmaceuticals USA, Inc. | 3 | $60 |
| Scilex Pharmaceuticals Inc. | 4 | $55 |
| Vertos Medical, Inc. | 1 | $52 |
| Salix Pharmaceuticals, A Division Of Bausch Health US, LLC | 3 | $43 |
| Biodelivery Sciences International, Inc. | 3 | $42 |
| SPR Therapeutics, Inc | 2 | $42 |
| Indivior Inc. | 1 | $41 |
| Saluda Medical Americas, Inc. | 1 | $39 |
| Pacira Therapeutics, Inc. | 1 | $32 |
| Stimwave Technologies Incorporated | 2 | $29 |
| Pacira Pharmaceuticals Incorporated | 1 | $24 |
| IBSA Pharma Inc. | 1 | $22 |
| Vertex | 1 | $20 |
| Novartis | 1 | $20 |
| Pfizer | 1 | $19 |
| Acelrx Pharmaceuticals, Inc. | 1 | $19 |
| Daiichi Sankyo Inc. | 1 | $18 |
| Sentynl Therapeutics, Inc. | 1 | $18 |
| Tonix Medicines, Inc. | 1 | $16 |
| Arbor Pharmaceuticals, Inc. | 1 | $15 |
| Biohaven Pharmaceutical Holding Company Ltd. | 1 | $13 |
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.
- INTELLIS$141
- GENERAL PAIN MANAGEMENT$125
- iFuse Implant$118
- Proclaim IPG$114
- AIMOVIG$104
- Omnia$101
How this compares
$4,999 in reported general payments places this provider in the 70th percentile of 144 pain medicine providers in Maryland.
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 |
|---|---|---|
| Aimovig AutoinjectorErenumab-Aooe | 11 | $6,464 |
| Lidocaine | 13 | $1,588 |
| Tizanidine Hcl | 14 | $772 |
| Gabapentin | 35 | $729 |
| Pregabalin | 11 | $543 |
| Baclofen | 20 | $507 |
| Buprenorphine Hcl | 13 | $414 |
| Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen | 17 | $371 |
| Celecoxib | 12 | $197 |
| Oxycodone Hcl | 11 | $134 |
| Propranolol Hcl | 12 | $117 |
| Tramadol Hcl | 23 | $108 |
| Alprazolam | 19 | $33 |
Paid to pharmacies, not to this prescriber.
Other pain medicine in Hagerstown
- David JamisonHagerstown$13K
- Anver KhanHagerstown$5K
- Vipul MangalOxon Hill$764K
- Randy DavisBaltimore$169K
- Paul ChristoBaltimore$137K
- Kunal SoodGermantown$70K
- Ali TurabiBethesda$47K
- Behnam JafarpourBaltimore$45K
- Eric FinkelsteinOwings Mills$37K
- Ankush JainBethesda$26K
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.