Anesthesiology in Napa, California
Data updated monthly · Last refresh September 2026
9 Anesthesiology providers practice in Napa. Listings are drawn from federal public records and are not endorsements.
Anesthesiology providers in Napa
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Daniel Masluk, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Gregory Leipzig, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Jerry Abajian, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 253-5000 Dr. Jonathan Cohen, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Patricia Decker, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Robert Morris, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Robert Singler, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Dr. Robert Zellmer, M.D.Napa, CA · No drug or device payments recorded (2025) ·
(707) 252-4411 Common questions
How many Anesthesiology providers are in Napa, California?There are 9 Anesthesiology providers with active NPI records practicing in Napa, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Napa Anesthesiology across California
