Dr. John Blair Hamner, MD

Dr. Hamner practices at UCHealth Medical Group in Loveland, Colorado.

Dr. Hamner's NPI, 1275750978, was assigned on April 20, 2007. Dr. Hamner graduated from LSU Health Shreveport School of Medicine in 2003. Dr. Hamner holds Colorado license DR.0062629.

Dr. Hamner's primary practice is UCHealth Medical Group, at 2695 Rocky Mountain Ave, Loveland, CO 80538 in Larimer County. The practice phone is (970) 624-4443.

Dr. Hamner's primary practice is UCHealth Medical Group in Loveland, Colorado. Dr. Hamner is also affiliated with UCHealth University of Colorado Hospital. The medical group on file is UCHealth Medical Group. Dmand AI also links Dr. Hamner to 3 more hospitals, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamner practices, 4 sites in all. Vendor and product names are available with a free account.

Surgical oncology is Dr. Hamner's primary specialty in the NPI Registry, under taxonomy code 2086X0206X. Dr. Hamner is board certified in complex general surgical oncology by the American Board of Surgery. Dmand AI has Dr. Hamner's licenses on file in 3 states: Colorado, California and Louisiana.

Dmand AI lists colon removal among the conditions Dr. Hamner treats.

CMS data shows 169 Medicare services from Dr. Hamner across 5 procedure codes in 2024, for 133 Medicare patients. Medicare paid $12,535 for them. Every service was in an office.

CMS counts 133 Medicare patients who saw Dr. Hamner in 2024. The largest group is 75 to 84, with 61 patients. 74% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hamner's median patient age at 72, with 53% women.

In 2024, Dr. Hamner wrote 169 Medicare Part D claims for 59 patients. 73% of them were for generic drugs. CMS names the drug for 82 of them, across 4 drugs with 11 or more claims each, at $17,086 in total drug cost. In 2023, CMS named 55 claims across 2 drugs.

Dr. Hamner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hamner as offering telehealth. CMS counts 11 procedures of melanoma (skin cancer) excision by Dr. Hamner, more than 64% of the clinicians it reports for that procedure.

Dmand AI links 24 papers to Dr. Hamner, published from 2008 to 2025. 2015 was the busiest year, with 3. The most frequent topics are Melanoma, Melanoma, Cutaneous Malignant and Skin Neoplasms. Dr. Hamner has published most often in Am Surg. Dr. Hamner's most frequent co-authors are Zaid Hilal Hadi Al-Qurayshi, MD, Carly A. Crowder, MD and Timothy L. Beard, MD.

CMS Open Payments shows 31 general payments to Dr. Hamner from 13 drug and device companies from 2016 to 2024. Debt forgiveness make up the largest share, 48% of the total. Intuitive Surgical, Inc. paid the most, $4,096.

Dmand AI lists 2 awards for Dr. Hamner, most recently ACS Fellow in 2012.

Dr. Hamner graduated from LSU Health Shreveport School of Medicine in 2003. Dr. Hamner is a member of ACS.

Dr. Hamner is in network with 17 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.