Dr. Mark D. Mellinger, MD

Dr. Mellinger practices at The Core Institute in Phoenix, Arizona.

Dr. Mellinger's NPI, 1922070366, was assigned on February 1, 2006. Dr. Mellinger holds Arizona license 31185.

Dr. Mellinger's primary practice is The Core Institute, at 18444 N 25th Ave, Phoenix, AZ 85023 in Maricopa County. The practice phone is (623) 537-5600.

Dr. Mellinger's primary practice is The Core Institute in Phoenix, Arizona. Dr. Mellinger is also affiliated with Dignity Health, Yavapai Regional Medical Center West. The medical group on file is The CORE Institute. Dmand AI also links Dr. Mellinger to 4 more hospitals and 1 group practice or clinic, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mellinger practices, 6 sites in all. Vendor and product names are available with a free account.

Hand surgery is Dr. Mellinger's primary specialty in the NPI Registry, under taxonomy code 207XS0106X. Dr. Mellinger is licensed in Arizona.

CMS data shows 2,212 Medicare services from Dr. Mellinger across 23 procedure codes in 2024, for 537 Medicare patients. Medicare paid $196,139 for them.

CMS counts 537 Medicare patients who saw Dr. Mellinger in 2024. The largest group is 65 to 74, with 321 patients. 71% of them have high cholesterol, and 69% have arthritis. 7% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mellinger's median patient age at 66, with 58% women.

In 2024, Dr. Mellinger wrote 249 Medicare Part D claims for 126 patients. 99% of them were for generic drugs. CMS names the drug for 220 of them, across 4 drugs with 11 or more claims each, at $957 in total drug cost. In 2023, CMS named 85 claims across 3 drugs.

Dr. Mellinger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mellinger as offering telehealth. CMS counts 54 procedures of upper limb (arm) arthroscopy (minimally invasive joint repair) by Dr. Mellinger, more than 88% of the clinicians it reports for that procedure.

Removal of nail tissue: 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)

CMS Open Payments shows 37 general payments to Dr. Mellinger from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 56% of the total. Acumed LLC paid the most, $2,504.