Dr. Colin Patrick Dunn, MD

Dr. Dunn practices at Good Samaritan Hospital in San Jose, California, part of HCA Healthcare.

Dr. Dunn's NPI, 1568817450, was assigned on April 27, 2016. Dr. Dunn graduated from Albert Einstein College of Medicine in 2016. Dr. Dunn holds California license A186661.

Dr. Dunn's primary practice is Good Samaritan Hospital, at 2425 Samaritan Drive, San Jose, CA 95124 in Santa Clara County. The practice phone is (408) 559-2011.

Dr. Dunn's primary practice is Good Samaritan Hospital in San Jose, California, part of HCA Healthcare. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Dunn to 1 more physician office, named with a free account.

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

Surgery is Dr. Dunn's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Dunn is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Dunn's licenses on file in 3 states: California, Pennsylvania and New Jersey.

CMS data shows 46 Medicare services from Dr. Dunn across 2 procedure codes in 2024, for 39 Medicare patients. Medicare paid $3,795 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 39 Medicare patients who saw Dr. Dunn in 2026. The largest group is 65 to 74, with 17 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dunn's median patient age at 67, with 51% women.

In 2026, Dr. Dunn wrote 65 Medicare Part D claims for 25 patients. 98% of them were for generic drugs. CMS names the drug for 32 of them, across 2 drugs with 11 or more claims each, at $255 in total drug cost. In 2023, CMS named 177 claims across 6 drugs.

Dr. Dunn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of hernia repair (minimally invasive) by Dr. Dunn, more than 72% of the clinicians it reports for that procedure.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 8 papers to Dr. Dunn, published from 2014 to 2024. 2018 was the busiest year, with 3. The most frequent topics are Laparoscopy and Postoperative Complications. Dr. Dunn's most frequent co-authors are Stuart M. Greenstein, MD, Ari Jacob Holtzman, MD and Joshua Renchner Kaminetsky, MD.

CMS Open Payments shows 14 general payments to Dr. Dunn from 9 drug and device companies from 2022 to 2025. Education make up the largest share, 95% of the total. Intuitive Surgical, Inc. paid the most, $5,544.

Dr. Dunn graduated from Albert Einstein College of Medicine in 2016.

Dr. Dunn is in network with 17 carriers, including Aetna, Highmark and Elevance. Medicare plans come from the most carriers, 11. Check the plan with the practice before a visit.