Michael Gambel
Family Medicine · Southgate, MINPI 1770585580
Payments from drug & device makers
Across 235 payments — averaging $19.92 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- AbbVie$2K
- Titan Pharmaceuticals, Inc.$584
- Alkermes, Inc.$461
- Pfizer$380
- Lilly USA, LLC$339
- Orexo US, Inc.$159
- plus $1K from 22 others
What the payments were for
- Consulting fees$50011%
- Food & beverage$4,18089%
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 |
|---|---|---|
| AbbVie(2 entities) | 86 | $1,550 |
| Titan Pharmaceuticals, Inc. | 6 | $584 |
| Alkermes, Inc. | 22 | $461 |
| Pfizer | 24 | $380 |
| Lilly USA, LLC | 23 | $339 |
| Orexo US, Inc. | 9 | $159 |
| Xeris Pharmaceuticals, Inc. | 6 | $123 |
| Amgen | 6 | $107 |
| Gilead | 6 | $107 |
| Indivior Inc. | 5 | $96 |
| MDD US Operations, LLC | 5 | $86 |
| Otsuka America Pharmaceutical, Inc. | 4 | $84 |
| Boehringer Ingelheim | 3 | $76 |
| Sunovion Pharmaceuticals Inc. | 3 | $72 |
| GSK | 4 | $71 |
| Ironwood Pharmaceuticals, Inc | 4 | $67 |
| AstraZeneca | 3 | $47 |
| Teva Pharmaceuticals USA, Inc. | 3 | $41 |
| ITI, Inc. (d/b/a Intra-cellular Therapies, Inc.) | 2 | $37 |
| Merck | 2 | $33 |
| Biohaven Pharmaceutical Holding Company Ltd. | 2 | $32 |
| USWM, LLC | 1 | $23 |
| Lundbeck LLC | 1 | $22 |
| Cardiovascular Systems Inc. | 1 | $22 |
| Biohaven Pharmaceuticals, Inc. | 1 | $19 |
| Dexcom, Inc. | 1 | $16 |
| Sanofi-aventis U.S. LLC | 1 | $14 |
| Novartis | 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.
- Probuphine$500
- VIVITROL$102
How this compares
$4,680 in reported general payments places this provider in the 90th percentile of 3,945 family medicine providers in Michigan.
Other family medicine in Southgate
- Derrick WilliamsonSouthfield$9.9M
- Rebecca RivardRoseville$7M
- Paul BensonBerkley$4.2M
- Michael HafranEast Lansing$2.7M
- Mitzie HewittBuckley$1.3M
- Loren ChudlerSouthfield$1.3M
- Solomon AmsterWhite Lake$981K
- Matt RosenbergJackson$559K
- Rhonda MejeurGrand Rapids$493K
- Steve LasaterSaint Johns$291K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.