Top Internal Medicine in Michigan by Industry Payments

This analysis ranks the top internal medicine practitioners in Michigan by total payments received from pharmaceutical and medical device companies, based on CMS Open Payments data. The 20 providers listed here collectively received $18,837,441 over the covered period.

Data source: CMS Open Payments + Medicare Part B Coverage: 2018–2024 Providers analyzed: 20 State: Michigan
$18,837,441
Total Industry Payments
Across all providers in this analysis
20
Providers Analyzed
With at least one payment on record
$873,019
Median Total Payments
Half of providers received more, half received less
Context: Industry payments to physicians are legally required to be disclosed under the Physician Payments Sunshine Act. Receiving payments does not imply wrongdoing. Payments may reflect consulting expertise, research participation, or speaking engagements. This data is provided to support transparency, not to render clinical judgments.

Top Internal Medicine by Total Industry Payments — Michigan

CMS Open Payments
# Provider Total Payments Companies Years Active
1
Terry Smith
Ann Arbor, MI
$2,121,254
5 2018–2024
2
Marschall Runge
Ann Arbor, MI
$2,029,959
1 2018–2024
3
Kalamazoo, MI
$1,669,575
38 2018–2024
4
Ann Arbor, MI
$1,333,722
27 2018–2024
5
Detroit, MI
$1,313,661
32 2018–2024
6
Ann Arbor, MI
$1,041,969
10 2018–2024
7
Ann Arbor, MI
$1,040,710
43 2018–2024
8
Gary Ferguson
Livonia, MI
$924,520
15 2018–2023
9
Lansing, MI
$900,745
27 2018–2024
10
Ann Arbor, MI
$873,019
16 2018–2024
11
Livonia, MI
$768,593
57 2018–2024
12
Ann Arbor, MI
$708,204
26 2018–2024
13
Pontiac, MI
$703,431
54 2018–2024
14
Ann Arbor, MI
$617,817
15 2018–2024
15
Detroit, MI
$543,709
43 2018–2024
16
Ann Arbor, MI
$479,398
18 2018–2024
17
Detroit, MI
$476,895
25 2018–2024
18
Phillip Schoenfeld
Ann Arbor, MI
$473,518
23 2018–2024
19
Detroit, MI
$409,427
45 2018–2024
20
David Bach
Ann Arbor, MI
$407,314
5 2018–2024

State payment context — Internal Medicine in Michigan

CMS Open Payments

Beyond the top recipients listed above, 4,458 internal medicine providers in Michigan have at least one disclosed industry payment, totaling $42,966,784 (2018–2024).

The median internal medicine provider in Michigan received $419 in total payments, versus a national median of $406 for the same specialty.

Payments to this specialty in Michigan peaked in 2023, when $7,455,291 changed hands across 49,761 transactions. Eli Lilly and Company has been the largest single payer over the period, and Ann Arbor leads all Michigan cities in payment volume for this specialty.

Top companies paying Internal Medicine providers in Michigan

Company Total payments Providers paid Transactions
Eli Lilly and Company $2,078,263 17 406
AstraZeneca Pharmaceuticals LP $1,954,740 1,654 20,642
Horizon Therapeutics plc $1,867,648 244 1,339
Amgen Inc. $1,758,854 1,413 18,459
Novo Nordisk Inc $1,638,377 1,506 31,597
GlaxoSmithKline, LLC. $1,460,011 1,253 15,644
Medtronic, Inc. $1,282,393 442 4,795
Janssen Pharmaceuticals, Inc $1,126,614 1,414 13,853

Industry payments to Internal Medicine providers in Michigan by year

Year Total payments Providers paid Transactions
2018 $6,342,530 2,569 60,739
2019 $6,217,913 2,547 53,000
2020 $4,017,292 1,904 27,949
2021 $5,165,147 2,096 40,878
2022 $6,496,210 2,362 47,098
2023 $7,455,291 2,529 49,761
2024 $7,272,401 2,692 51,170

Top Michigan cities for Internal Medicine industry payments

City Total payments Providers paid Transactions
Ann Arbor $17,386,848 435 16,281
Detroit $7,718,439 481 23,112
Livonia $1,874,486 92 9,890
Kalamazoo $1,819,525 98 7,429
Lansing $1,810,756 129 17,202
Pontiac $1,011,737 92 3,441
Southfield $884,795 175 18,464
Royal Oak $712,900 118 4,234
Methodology Providers filtered to Michigan-licensed internal medicine practitioners (NPI taxonomy code 207R00000X) with at least one Open Payments record. Payments aggregated across all years and all payment types. Rankings reflect cumulative totals, not annualized figures. Data source: CMS Open Payments, accessed via doctransparency.com database.
Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →