DoctorsProofNPPES directory · verify at state boards

Internal Medicine in Sonoma, CA

14 verified internal medicine doctors in Sonoma.

Internists specialize in the prevention, diagnosis, and treatment of adult diseases, often coordinating complex or chronic conditions across multiple systems.

NPPES tenure ≠ clinical experience. "Years on NPPES" is time since the physician first registered a National Provider Identifier, not time practicing medicine. Verify current license status with the state medical board.

Verify a license at the Medical Board of California

Dr. Brian Sebastian, MD

Internal Medicine

21 yrs NPPES
NPI 1184624637
651 1ST ST W, SUITE H, Sonoma, CA 95476(707) 938-3870
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $157.55 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$157.55

Total received

3

Transactions

2

Paying companies

Top paying companies

Medtronic, Inc.$127.79
Abbott Laboratories$29.76

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 80th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Brian Sebastian do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Clinton Lane, MD

Internal Medicine

21 yrs NPPES
NPI 1679564611
377 PERKINS ST, Sonoma, CA 95476(707) 938-2345
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Yong Liu, MD

Internal Medicine

20 yrs NPPES
NPI 1568424919
181 ANDRIEUX ST, SUITE 202, Sonoma, CA 95476(707) 933-0500
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $1,280 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$1,280

Total received

37

Transactions

14

Paying companies

Top paying companies

AstraZeneca Pharmaceuticals LP$227.80
AbbVie Inc.$203.33
Ferring Pharmaceuticals Inc.$161.61
Astellas Pharma US Inc$151.12
Medtronic, Inc.$127.79
Lilly USA, LLC$85.58

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total is higher than 93% of that group — among the highest recipients.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Yong Liu do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Marianne Kramer, MD

Internal Medicine

20 yrs NPPES
NPI 1801848601
15000 ARNOLD DRIVE, Sonoma, CA 95431(707) 938-6556
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. David Streeter, MD

Internal Medicine

20 yrs NPPES
NPI 1952342057
347 ANDRIEUX ST, Sonoma, CA 95476(707) 262-6267
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Walter Prehn, MD

Internal Medicine

20 yrs NPPES
NPI 1225042088
181 ANDRIEUX STREET, SUITE 206, Sonoma, CA 95476(707) 495-7762
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Victor Iacovoni, MD

Internal Medicine

20 yrs NPPES
NPI 1619985348
347 ANDRIEUX ST, Sonoma, CA 95476(707) 935-5000
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Dennis Verducci, MD

Internal Medicine

20 yrs NPPES
NPI 1437265360
670 3RD ST W, Sonoma, CA 95476(707) 938-5916
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $50.82 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$50.82

Total received

2

Transactions

2

Paying companies

Top paying companies

Astellas Pharma US Inc$32.76
Novo Nordisk Inc$18.06

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 72th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Dennis Verducci do not imply any wrongdoing. Many are meals, education, or research support.

Dr. S Campbell, MD

Internal Medicine

20 yrs NPPES
NPI 1053427989
670 THIRD STREET WEST, Sonoma, CA 95476(707) 938-5916
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $32.77 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$32.77

Total received

1

Transactions

1

Paying companies

Top paying companies

Astellas Pharma US Inc$32.77

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 69th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to S Campbell do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Jing Zhao, MD

Internal Medicine

20 yrs NPPES
NPI 1376621862
19270 SONOMA HWY, Sonoma, CA 95476(707) 939-6070
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Guy Delorefice, MD

Internal Medicine

19 yrs NPPES
NPI 1952426421
370 PERKINS ST, Sonoma, CA 95476(707) 938-1255
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $172.49 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$172.49

Total received

1

Transactions

1

Paying companies

Top paying companies

Medtronic, Inc.$172.49

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 81th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Guy Delorefice do not imply any wrongdoing. Many are meals, education, or research support.

Dr. Lawrence Huan, MD

Internal Medicine

15 yrs NPPES
NPI 1881986206
651 1ST ST W, STE H, Sonoma, CA 95476(707) 938-3870
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Dr. Rafael Sepulveda-Acosta, MD

Internal Medicine

14 yrs NPPES
NPI 1558611459
369 PERKINS ST, Sonoma, CA 95476(707) 776-6154
NPPES public registryAccepts Medicare (2024)
CMS Open Payments· $372.68 (2023)

Industry Payments (2023)

Reported by drug and device makers to CMS Open Payments. These payments are legal and disclosed — shown as context, not a judgment.

$372.68

Total received

12

Transactions

6

Paying companies

Top paying companies

Inspire Medical Systems, Inc.$156.55
Axsome Therapeutics, Inc.$82.86
Jazz Pharmaceuticals Inc.$64.75
Novo Nordisk Inc$37.53
Fisher & Paykel Healthcare Inc$18.15
Lilly USA, LLC$12.84

Among the 183,896 internal medicine doctors we've analyzed, about 37% received any industry payment (median $195 among those who did). This doctor's total ranks around the 86th percentile of that group.

Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.

Payments to Rafael Sepulveda-Acosta do not imply any wrongdoing. Many are meals, education, or research support.

Dr. John Boyce-Smith, MD

Internal Medicine

5 yrs NPPES
NPI 1255925590
4863 GROVE ST, Sonoma, CA 95476(415) 613-5338
NPPES public registry
CMS Open Payments· No payments in 2023

Industry Payments

No industry payments on record in the 2023 CMS Open Payments data. This doctor received no reported payments from drug or device makers that year.

Internal Medicine in Sonoma, CA — Verified | DoctorsProof | DoctorsProof