John Herndon

John Herndon practices at Billings Clinic Hospital in Billings, Montana, part of Billings Clinic.

John Herndon's NPI, 1518387398, was assigned on April 21, 2014. John Herndon graduated from Icahn School of Medicine at Mount Sinai in 2014. John Herndon holds Oregon license MD218422.

John Herndon's primary practice is Billings Clinic Hospital, at 2800 10th Ave N, Billings, MT 59101 in Yellowstone County. The practice phone is (406) 657-4000.

John Herndon's primary practice is Billings Clinic Hospital in Billings, Montana, part of Billings Clinic. John Herndon is also affiliated with St. Vincent Regional Hospital. The medical group on file is Billings Clinic. Dmand AI also links John Herndon 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 John Herndon practices, 3 sites in all. Vendor and product names are available with a free account.

Neurology is John Herndon's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dmand AI has John Herndon's licenses on file in 3 states: Oregon, Montana and North Carolina.

CMS data shows 231 Medicare services from John Herndon across 5 procedure codes in 2024, for 159 Medicare patients. Medicare paid $17,031 for them.

CMS counts 159 Medicare patients who saw John Herndon in 2024. The largest group is 75 to 84, with 69 patients. 62% of them have parkinson's disease, and 61% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts John Herndon's median patient age at 73, with 52% women.

In 2024, John Herndon wrote 594 Medicare Part D claims for 240 patients. 96% of them were for generic drugs. CMS names the drug for 475 of them, across 9 drugs with 11 or more claims each, at $18,302 in total drug cost. In 2023, CMS named 1,087 claims across 22 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 99 out of 100 for John Herndon for performance year 2024, reported through an alternative payment model (APM). John Herndon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists John Herndon as offering telehealth. CMS counts 22 procedures of skin biopsy by John Herndon, more than 63% of the clinicians it reports for that procedure.

Dmand AI links 1 paper to John Herndon in 2021. John Herndon's most frequent co-author is Joseph Mark Savitt, MD.

CMS Open Payments shows 30 general payments to John Herndon from 6 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 69% of the total. Boston Scientific Corporation paid the most, $2,546.

John Herndon graduated from Icahn School of Medicine at Mount Sinai in 2014.