Doctors in Walnut Creek, CA
1225 physicians listed in the NPPES public registry. Page 11 of 21.
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.
Dr. Nancy Chang, MD
Internal Medicine
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. Anthony Waechter, MD
Emergency Medicine
CMS Open Payments· $331.73 (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.
$331.73
Total received
13
Transactions
2
Paying companies
Top paying companies
Among the 70,367 emergency medicine doctors we've analyzed, about 18% received any industry payment (median $60 among those who did). This doctor's total is higher than 97% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US emergency medicine doctors.
Payments to Anthony Waechter do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Michael Lucas, DO
Emergency Medicine
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. Michael Klemm, MD
Anesthesiology
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. Bruce Marts, DO
Emergency Medicine
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. Douglas Richardson, MD
Anesthesiology
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. Lloyd Gordon, MD
Diagnostic Radiology
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 Diaz Flores, MD
Surgery
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. James Choi, MD
Surgery
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. Andrew Chang, MD
Internal Medicine
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. Sean Martin, MD
Surgery
CMS Open Payments· $33.33 (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.
$33.33
Total received
1
Transactions
1
Paying companies
Top paying companies
Among the 39,537 surgery doctors we've analyzed, about 52% received any industry payment (median $305 among those who did). This doctor's total ranks around the 53th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US surgery doctors.
Payments to Sean Martin do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Patrick Shipsey, MD
Emergency Medicine
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. Szilvia Molitorisz, MD
Internal Medicine
CMS Open Payments· $232.33 (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.
$232.33
Total received
4
Transactions
2
Paying companies
Top paying companies
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 83th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Szilvia Molitorisz do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Lillian Leong, DO
Family Medicine
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. Jamal Mogannam, MD
Nephrology
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. Kit Tittiranonda, MD
Diagnostic Radiology
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. Helen O'Keeffe, MD
Anesthesiology
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. Lisa Woll, MD
Internal Medicine
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. Phuong-Anh Bui, MD
Obstetrics & Gynecology
CMS Open Payments· $19.77 (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.
$19.77
Total received
1
Transactions
1
Paying companies
Top paying companies
Among the 47,072 obstetrics & gynecology doctors we've analyzed, about 47% received any industry payment (median $178 among those who did). This doctor's total ranks around the 57th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US obstetrics & gynecology doctors.
Payments to Phuong-Anh Bui do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Mary Martino, MD
Pediatrics
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. Janet Hahn, MD
Internal Medicine
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. Linda Row, MD
Internal Medicine
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. Shachi Shah, MD
Cardiovascular Disease
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. Barbara Preston, MD
Diagnostic Radiology
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. Karen Evans, MD
Pediatrics
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. Stacey Hunt, MD
Dermatology
CMS Open Payments· $30.00 (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.
$30.00
Total received
1
Transactions
1
Paying companies
Top paying companies
Among the 16,166 dermatology doctors we've analyzed, about 64% received any industry payment (median $642 among those who did). This doctor's total is on the lower end — around the 40th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US dermatology doctors.
Payments to Stacey Hunt do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Suzanne Gokel, DO
Family Medicine
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. Midori Nishio, MD
Rheumatology
CMS Open Payments· $324.89 (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.
$324.89
Total received
9
Transactions
8
Paying companies
Top paying companies
Among the 6,451 rheumatology doctors we've analyzed, about 56% received any industry payment (median $958 among those who did). This doctor's total ranks around the 62th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US rheumatology doctors.
Payments to Midori Nishio do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Vandana Sharma, MD
Rheumatology
CMS Open Payments· $264.17 (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.
$264.17
Total received
11
Transactions
3
Paying companies
Top paying companies
Among the 6,451 rheumatology doctors we've analyzed, about 56% received any industry payment (median $958 among those who did). This doctor's total ranks around the 61th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US rheumatology doctors.
Payments to Vandana Sharma do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Grishma Patel, MD
Internal Medicine
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. Jeffrey Luo, MD
Orthopaedic Surgery
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. Samantha Strong, MD
Cardiovascular Disease
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. Francis Nepacena, MD
Internal Medicine
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. Stewart Kupetz, MD
Dermatology
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. Garrick Lau, MD
Anesthesiology
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. Emily Toch, MD
Psychiatry
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. Harold Woo, DO
Emergency Medicine
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. Karen Spizer, MD
Internal Medicine
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. Sabrina Martinez, MD
Anesthesiology
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. Allan Barza, MD
Psychiatry
CMS Open Payments· $253.70 (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.
$253.70
Total received
2
Transactions
2
Paying companies
Top paying companies
Among the 57,336 psychiatry doctors we've analyzed, about 24% received any industry payment (median $180 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US psychiatry doctors.
Payments to Allan Barza do not imply any wrongdoing. Many are meals, education, or research support.
Dr. John Dana, MD
Physical Medicine & Rehabilitation
CMS Open Payments· $26.02 (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.
$26.02
Total received
1
Transactions
1
Paying companies
Top paying companies
Among the 15,884 physical medicine & rehabilitation doctors we've analyzed, about 27% received any industry payment (median $149 among those who did). This doctor's total ranks around the 77th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US physical medicine & rehabilitation doctors.
Payments to John Dana do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Derek Abbassi, MD
Obstetrics & Gynecology
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. Winslow Wong, MD
Internal Medicine
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. Fausan Tsai, MD
Internal Medicine
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. Ronald Johnson, MD
Ophthalmology
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. Christine Oh, MD
Diagnostic Radiology
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. Maryam Safa, MD
Internal Medicine
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. Raymond Ruzicano, MD
Psychiatry
CMS Open Payments· $258.00 (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.
$258.00
Total received
2
Transactions
2
Paying companies
Top paying companies
Among the 57,336 psychiatry doctors we've analyzed, about 24% received any industry payment (median $180 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US psychiatry doctors.
Payments to Raymond Ruzicano do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Michael Schwab, MD
Psychiatry
CMS Open Payments· $275.95 (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.
$275.95
Total received
4
Transactions
3
Paying companies
Top paying companies
Among the 57,336 psychiatry doctors we've analyzed, about 24% received any industry payment (median $180 among those who did). This doctor's total is higher than 90% of that group — among the highest recipients.
Benchmark reflects doctors we've analyzed, not all US psychiatry doctors.
Payments to Michael Schwab do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Iraj Naima, MD
Family Medicine
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. Elizabeth Seet, MD
Internal Medicine
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. Epifanio Deleon, MD
Internal Medicine
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. Jonathan Frank, MD
Internal Medicine
CMS Open Payments· $577.31 (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.
$577.31
Total received
28
Transactions
8
Paying companies
Top paying companies
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 89th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US internal medicine doctors.
Payments to Jonathan Frank do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Eileen Benway, MD
Pediatrics
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. Martha Turchyn-Mazuryk, MD
Gastroenterology
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. Michael Fischman, MD
Internal Medicine
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. Stuart Bussey, MD
Family Medicine
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. Javier Deleon, MD
Internal Medicine
CMS Open Payments· $31.05 (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.
$31.05
Total received
1
Transactions
1
Paying companies
Top paying companies
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 Javier Deleon do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Ana Triana, MD
Family Medicine
CMS Open Payments· $34.32 (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.
$34.32
Total received
2
Transactions
2
Paying companies
Top paying companies
Among the 136,402 family medicine doctors we've analyzed, about 35% received any industry payment (median $151 among those who did). This doctor's total ranks around the 73th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US family medicine doctors.
Payments to Ana Triana do not imply any wrongdoing. Many are meals, education, or research support.