Dr. John Frederick MacMillan, MD

Dr. MacMillan practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.

Dr. MacMillan's NPI, 1568449015, was assigned on December 27, 2005. Dr. MacMillan graduated from Sidney Kimmel Medical College in 1995. Dr. MacMillan holds California license A688400.

Dr. MacMillan's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.

Dr. MacMillan's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. The medical group on file is UC Davis Medical Group. Dmand AI also links Dr. MacMillan to 1 more hospice, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacMillan practices, 2 sites in all. Vendor and product names are available with a free account.

Internal medicine is Dr. MacMillan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. MacMillan is board certified in hospice and palliative medicine by the American Board of Internal Medicine. Dmand AI has Dr. MacMillan's licenses on file in 2 states: California and New Mexico.

Dmand AI lists anemia, congestive heart failure, electrolyte disorders, gastrointestinal bleeding, gastrointestinal infection, gastrointestinal inflammation, lung disease: COPD, asthma or bronchitis and non-surgical back problems among the conditions Dr. MacMillan treats.

CMS data shows 356 Medicare services from Dr. MacMillan across 6 procedure codes in 2024, for 139 Medicare patients. Medicare paid $27,637 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 139 Medicare patients who saw Dr. MacMillan in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 3.78, 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. MacMillan's median patient age at 77, with 49% women.

In 2024, Dr. MacMillan wrote 43 Medicare Part D claims for 17 patients. 74% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $223 in total drug cost.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. MacMillan for performance year 2024, reported as part of a group. Dr. MacMillan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 1 paper to Dr. MacMillan. Dr. MacMillan's most frequent co-authors are Kyle Palmer Edmonds, MD, Nathan P. Fairman, MD and Bruce Allen Ferrell, MD.

CMS Open Payments shows 1 general payment to Dr. MacMillan from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $122.

Dr. MacMillan graduated from Sidney Kimmel Medical College in 1995.

Dr. MacMillan is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.