Dr. Andrew William Gamenthaler, MD

Dr. Gamenthaler practices at Surgery Center of Volusia in Port Orange, Florida.

Dr. Gamenthaler's NPI, 1144414558, was assigned on August 29, 2007. Dr. Gamenthaler graduated from Florida State University College Of Medicine in 2007. Dr. Gamenthaler holds Georgia license 002794.

Dr. Gamenthaler's primary practice is Surgery Center of Volusia, at 3635 Clyde Morris Boulevard, Port Orange, FL 32129. The practice phone is (386) 760-8151.

Dr. Gamenthaler's primary practice is Surgery Center of Volusia in Port Orange, Florida. Dr. Gamenthaler is also affiliated with AdventHealth Daytona Beach. The medical group on file is Halifax Health. Dmand AI also links Dr. Gamenthaler to 4 more hospitals, 4 group practices and clinics and 3 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gamenthaler practices, 10 sites in all. Vendor and product names are available with a free account.

Surgery is Dr. Gamenthaler's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gamenthaler is board certified in complex general surgical oncology by the American Board of Surgery. Dmand AI has Dr. Gamenthaler's licenses on file in 3 states: Georgia, Florida and South Carolina.

Dmand AI lists appendectomy, cancerous skin growth removal, colon removal, gallbladder removal, groin hernia surgery and mastectomy among the conditions Dr. Gamenthaler treats.

CMS data shows 418 Medicare services from Dr. Gamenthaler across 11 procedure codes in 2024, for 217 Medicare patients. Medicare paid $37,723 for them.

CMS counts 217 Medicare patients who saw Dr. Gamenthaler in 2024. The largest group is 75 to 84, with 104 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.87, 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. Gamenthaler's median patient age at 74, with 45% women.

In 2024, Dr. Gamenthaler wrote 261 Medicare Part D claims for 152 patients. 94% of them were for generic drugs. CMS names the drug for 154 of them, across 3 drugs with 11 or more claims each, at $635 in total drug cost. In 2023, CMS named 143 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Gamenthaler for performance year 2024, reported individually. Dr. Gamenthaler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of melanoma (skin cancer) excision by Dr. Gamenthaler, more than 86% of the clinicians it reports for that procedure.

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

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

Removal of skin lesions: 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)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 8 papers to Dr. Gamenthaler, published from 2015 to 2019. 2016 was the busiest year, with 2. Dr. Gamenthaler's most frequent co-authors are Bruce John Ramshaw, MD, Paul A. Armstrong, DO and Junsung Choi, MD.

CMS Open Payments shows 266 general payments to Dr. Gamenthaler from 72 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Carl Zeiss Meditec, Inc. paid the most, $2,458.

Dr. Gamenthaler graduated from Florida State University College Of Medicine in 2007.

Dr. Gamenthaler is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.