Top Internal Medicine in California by Industry Payments

This analysis ranks the top internal medicine practitioners in California by total payments received from pharmaceutical and medical device companies, based on CMS Open Payments data. The 20 providers listed here collectively received $33,424,432 over the covered period.

Data source: CMS Open Payments + Medicare Part B Coverage: 2018–2024 Providers analyzed: 20 State: California
$33,424,432
Total Industry Payments
Across all providers in this analysis
20
Providers Analyzed
With at least one payment on record
$1,210,230
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 — California

CMS Open Payments
# Provider Total Payments Companies Years Active
1
Tung Ngo
Irvine, CA
$4,867,973
9 2018–2024
2
Christian Eversull
Stanford, CA
$2,896,476
4 2018–2024
3
Bob Geng
San Diego, CA
$2,680,605
63 2018–2024
4
Samuel Louie
Sacramento, CA
$2,644,128
20 2018–2024
5
Sacramento, CA
$2,104,656
20 2018–2024
6
Stanford, CA
$1,796,255
33 2018–2024
7
Mission Viejo, CA
$1,783,011
45 2018–2024
8
San Diego, CA
$1,733,121
32 2018–2024
9
Fred Cohen
San Francisco, CA
$1,589,920
3 2018–2024
10
Newport Beach, CA
$1,210,230
42 2018–2024
11
La Jolla, CA
$1,171,038
48 2018–2024
12
San Mateo, CA
$1,099,166
50 2018–2024
13
Santa Monica, CA
$1,069,327
55 2018–2024
14
Steven Edelman
San Diego, CA
$1,040,598
36 2018–2024
15
Rahul Sharma
Stanford, CA
$1,034,825
29 2018–2024
16
Sacramento, CA
$994,953
16 2018–2024
17
Hyong Kim
La Jolla, CA
$994,727
10 2018–2024
18
John Teerlink
San Francisco, CA
$913,724
28 2018–2024
19
Teck Ling
Palo Alto, CA
$900,598
3 2018–2024
20
Rancho Mirage, CA
$899,102
38 2018–2024

State payment context — Internal Medicine in California

CMS Open Payments

Beyond the top recipients listed above, 12,730 internal medicine providers in California have at least one disclosed industry payment, totaling $136,793,970 (2018–2024).

The median internal medicine provider in California received $391 in total payments, versus a national median of $406 for the same specialty.

Payments to this specialty in California peaked in 2024, when $22,944,257 changed hands across 141,779 transactions. Medtronic, Inc. has been the largest single payer over the period, and San Francisco leads all California cities in payment volume for this specialty.

Top companies paying Internal Medicine providers in California

Company Total payments Providers paid Transactions
Medtronic, Inc. $9,234,960 1,068 10,686
AstraZeneca Pharmaceuticals LP $6,585,037 4,197 62,882
Amgen Inc. $4,650,585 3,556 55,794
Gilead Sciences, Inc. $4,427,674 1,943 21,915
PFIZER INC. $4,423,495 4,030 45,878
GlaxoSmithKline, LLC. $3,959,547 3,372 42,830
Abbott Laboratories $3,347,999 2,242 21,881
Lilly USA, LLC $3,336,614 3,048 37,043

Industry payments to Internal Medicine providers in California by year

Year Total payments Providers paid Transactions
2018 $20,884,593 7,502 178,608
2019 $21,610,227 7,156 164,004
2020 $11,693,711 5,445 96,438
2021 $20,244,576 5,968 128,271
2022 $18,132,829 6,447 133,674
2023 $21,283,777 6,787 139,389
2024 $22,944,257 7,064 141,779

Top California cities for Internal Medicine industry payments

City Total payments Providers paid Transactions
San Francisco $16,729,607 747 45,583
Stanford $12,255,838 349 10,557
Los Angeles $11,029,302 1,006 67,363
San Diego $10,473,400 630 39,113
Sacramento $8,019,598 384 22,130
La Jolla $6,432,893 147 16,299
Santa Monica $5,527,252 158 11,210
Irvine $5,299,211 149 7,428
Methodology Providers filtered to California-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 →