Dr. John Anthony Martin, MD

Dr. Martin practices at UCI Health - Orange in Orange, California, part of UC Irvine.

Dr. Martin's NPI, 1609808534, was assigned on July 7, 2006. Dr. Martin graduated from University of Virginia School of Medicine in 1989. Dr. Martin holds Minnesota license 58809.

Dr. Martin's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.

Dr. Martin's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Martin is also affiliated with Mayo Clinic Hospital, Saint Marys Campus. The medical group on file is Mayo Clinic. Dmand AI also links Dr. Martin to 1 more medical group, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Martin practices, 2 sites in all. Vendor and product names are available with a free account.

Gastroenterology is Dr. Martin's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Martin's licenses on file in 2 states: Minnesota and Illinois.

CMS data shows 442 Medicare services from Dr. Martin across 11 procedure codes in 2024, for 211 Medicare patients. Medicare paid $60,576 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 211 Medicare patients who saw Dr. Martin in 2024. The largest group is 65 to 74, with 115 patients. 73% of them have high blood pressure, and 71% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.26, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Martin's median patient age at 64, with 55% women.

In 2024, Dr. Martin wrote 47 Medicare Part D claims for 35 patients. 100% of them were for generic drugs. CMS names the drug for 42 of them, across 1 drug with 11 or more claims each, at $97 in total drug cost. In 2023, CMS named 24 claims across 1 drug.

Dr. Martin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Martin as offering telehealth. CMS counts 151 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Martin, more than 85% of the clinicians it reports for that procedure.

Dmand AI links 60 papers to Dr. Martin, published from 2011 to 2025. 2024 was the busiest year, with 8. The most frequent topics are Cholangiopancreatography, Endoscopic Retrograde, Constriction, Pathologic and Stents. Dr. Martin has published most often in Gastrointest Endosc. Dr. Martin's most frequent co-authors are Bret T. Petersen, MD, Vinay Chandrasekhara, MD and Andrew Charles Storm, MD.

CMS Open Payments shows 63 general payments to Dr. Martin from 6 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. Olympus Corporation paid the most, $18,014.

Dr. Martin graduated from University of Virginia School of Medicine in 1989.