Infectious Disease in Santa Ana, CA
3 verified infectious disease doctors in Santa Ana.
Infectious disease physicians diagnose and manage complex infections, including those that are chronic, resistant, or hard to identify.
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. Mohammad Hajjar, MD
Infectious Disease
CMS Open Payments· $830.50 (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.
$830.50
Total received
26
Transactions
11
Paying companies
Top paying companies
Among the 3,681 infectious disease doctors we've analyzed, about 83% received any industry payment (median $1,189 among those who did). This doctor's total ranks around the 51th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US infectious disease doctors.
Payments to Mohammad Hajjar do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Ali Ashtiani, MD
Infectious Disease
CMS Open Payments· $2,758 (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.
$2,758
Total received
105
Transactions
21
Paying companies
Top paying companies
Among the 3,681 infectious disease doctors we've analyzed, about 83% received any industry payment (median $1,189 among those who did). This doctor's total ranks around the 75th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US infectious disease doctors.
Payments to Ali Ashtiani do not imply any wrongdoing. Many are meals, education, or research support.
Dr. Ravi Masson, MD
Infectious Disease
CMS Open Payments· $244.08 (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.
$244.08
Total received
7
Transactions
3
Paying companies
Top paying companies
Among the 3,681 infectious disease doctors we've analyzed, about 83% received any industry payment (median $1,189 among those who did). This doctor's total is on the lower end — around the 33th percentile of that group.
Benchmark reflects doctors we've analyzed, not all US infectious disease doctors.
Payments to Ravi Masson do not imply any wrongdoing. Many are meals, education, or research support.