Dr. Hanna K. Flaten, MD

Dr. Flaten practices at Ck Leasing, LLC in Boulder, Colorado.

Dr. Flaten's NPI, 1548729791, was assigned on March 18, 2019. Dr. Flaten graduated from University of Colorado School of Medicine, Aurora in 2019. Dr. Flaten holds Colorado license DR.0070389.

Dr. Flaten's primary practice is Ck Leasing, LLC, at 905 Alpine Ave, Boulder, CO 80304 in Boulder County. The practice phone is (303) 448-4620.

Dr. Flaten's primary practice is Ck Leasing, LLC in Boulder, Colorado. Dr. Flaten is also affiliated with Foothills Hospital. The medical group on file is Ideal Dermatology. Dmand AI also links Dr. Flaten 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. Flaten practices, 2 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 1,540 Medicare services from Dr. Flaten across 14 procedure codes in 2024, for 300 Medicare patients. Medicare paid $87,011 for them. Every service was in an office.

CMS counts 300 Medicare patients who saw Dr. Flaten in 2024. The largest group is 65 to 74, with 163 patients. 61% of them have high cholesterol, and 49% have arthritis. 5% are also on Medicaid. Their average risk score is 0.90, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Flaten's median patient age at 59, with 59% women.

In 2024, Dr. Flaten wrote 317 Medicare Part D claims for 153 patients. 95% of them were for generic drugs. CMS names the drug for 220 of them, across 8 drugs with 11 or more claims each, at $4,644 in total drug cost. In 2023, CMS named 44 claims across 3 drugs.

Dr. Flaten accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 900 procedures of removal of skin lesions by Dr. Flaten, more than 92% of the clinicians it reports for that procedure.

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

Dmand AI links 4 papers to Dr. Flaten in 2016. 2016 was the busiest year, with 2. Dr. Flaten's most frequent co-authors are Hillary Day Lum, MD, PhD and Jessica Slim, MD, MPH.

CMS Open Payments shows 108 general payments to Dr. Flaten from 24 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 93% of the total. Sanofi and Genzyme US Companies paid the most, $416.

Dr. Flaten graduated from University of Colorado School of Medicine, Aurora in 2019.