Christian Groth
General Practice · Ann Arbor, MINPI 1669600557
Payments from drug & device makers
What this record shows
This record is dominated by speaking fees: $187,655 of the $283,232 with a category attached, or 66.3%. 7 manufacturers reported payments, led by Solventum Corporation at 59.9% of the total. 2025 is the largest year on record at $85,059, 6.1 times the $13,871 reported in 2019. Among general practice clinicians in MI 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 192 payments — averaging $1475.17 each. Meals, travel, consulting and speaking fees, gifts and royalties reported by drug and device makers.
- Solventum Corporation$170K
- 3M Company$112K
- 3shape Inc$1K
- Align Technology, Inc.$345
- Ortho2, LLC$239
- American Orthodontics Corporation$193
- plus $89 from 1 others
What the payments were for
- Consulting fees$52,85019%
- Speaking & faculty fees$187,65566%
- Travel & lodging$36,50013%
- Food & beverage$5,5322%
- Education$6950%
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 |
|---|---|---|
| Solventum Corporation | 93 | $169,641 |
| 3M Company | 85 | $111,724 |
| 3shape Inc | 1 | $1,000 |
| Align Technology, Inc. | 7 | $345 |
| Ortho2, LLC | 2 | $239 |
| American Orthodontics Corporation | 1 | $193 |
| Lightforce Orthodontics, Inc. | 3 | $89 |
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.
- Clarity Aligners$228,409
- 3M$122,862
- Clarity Aligner$34,546
- Digital Bonding Tray$25,958
- APC Flash-Free Clarity ADVANCED$22,650
- Clarity Orthodontic Bracket$21,500
- PROTEMP 4$11,861
- RELYX ULTIMATE$11,861
- Elipar DeepCure-S$7,361
- Clarity ADVANCED$5,000
- Transbond Primer$4,679
- APC Flash-Free Victory Series Low Profile$3,000
- APC Coated Metal Brackets and Buccal Tubes$2,000
- 3M Filtek$769
- 3M Scotchbond$550
- Filtek Z350XT$550
- Invisalign$266
- EMPOWER-METAL$193
- EMPOWER-CERAMIC$193
- RADIANCE$193
How this compares
$283,232 in reported general payments places this provider in the 95th percentile of 3,051 general practice providers in Michigan.
Other general practice in Ann Arbor
- Dennis FasbinderAnn Arbor$194K
- Marie FluentAnn Arbor$106K
- Furat GeorgeAnn Arbor$72K
- Hector RiosAnn Arbor$11K
- Reem HossameldinAnn Arbor$11K
- Tatiana BoteroAnn Arbor$7K
- Anil PrasadTaylor$1.7M
- Sadeer DaoodDearborn$1.1M
- Shakib HalabuWest Bloomfield$1.1M
- Kevin BoneSaginaw$125K
Where these figures come from
- Payments: CMS Open Payments, program years 2019–2025 (publication P06302026_06032026).
- Identity: NPPES NPI Registry, July 2026.