Dr. Dathan Hamann, MD

Dr. Hamann practices at Saguaro Dermatology Associates in Mesa, Arizona.

Dr. Hamann's NPI, 1760801070, was assigned on April 15, 2014. Dr. Hamann graduated from University of Arizona College of Medicine in 2014. Dr. Hamann holds Arizona license 54501.

Dr. Hamann's primary practice is Saguaro Dermatology Associates, at 2150 S Dobson Rd, Mesa, AZ 85202 in Maricopa County. The practice phone is (480) 681-3300.

Dr. Hamann's primary practice is Saguaro Dermatology Associates in Mesa, Arizona. The medical group on file is Saguaro Dermatology. Dmand AI also links Dr. Hamann to 1 more group practice or clinic, named with a free account.

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

Dermatology is Dr. Hamann's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Hamann is licensed in Arizona.

CMS data shows 8,497 Medicare services from Dr. Hamann across 15 procedure codes in 2024, for 388 Medicare patients. Medicare paid $126,591 for them. Every service was in an office.

CMS counts 388 Medicare patients who saw Dr. Hamann in 2024. The largest group is 65 to 74, with 220 patients. 72% of them have high cholesterol, and 64% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hamann's median patient age at 57, with 56% women.

In 2024, Dr. Hamann wrote 584 Medicare Part D claims for 238 patients. 92% of them were for generic drugs. CMS names the drug for 418 of them, across 15 drugs with 11 or more claims each, at $210,875 in total drug cost. In 2023, CMS named 338 claims across 12 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Hamann for performance year 2024, reported as part of a group. Dr. Hamann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 470 procedures of removal of skin lesions by Dr. Hamann, more than 86% of the clinicians it reports for that procedure.

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

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 57 papers to Dr. Hamann, published from 2010 to 2025. 2018 was the busiest year, with 7. The most frequent topics are Dermatitis, Allergic Contact, Patch Tests and Allergens. Dr. Hamann has published most often in Dermatitis. Dr. Hamann's most frequent co-authors are Curtis Peter Hamann, MD, Patrick Kishi, MD and Aditi Chandra, MD.

CMS Open Payments shows 352 general payments to Dr. Hamann from 33 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 40% of the total. Pfizer Inc. paid the most, $42,534. It also lists 1 research payment totaling $27 in 2024, naming 1 clinical trial.

Dr. Hamann graduated from University of Arizona College of Medicine in 2014.