Dr. James Ramsay Halverson, MD

Dr. Halverson practices at Primary Medical Group of Ventura County Inc in Ventura, California.

Dr. Halverson's NPI, 1720044787, was assigned on April 26, 2006. Dr. Halverson graduated from Duke University School Of Medicine in 1982. Dr. Halverson's California license number on file is G51412.

Dr. Halverson's primary practice is Primary Medical Group of Ventura County Inc, at 2772 Johnson Dr, Ventura, CA 93003 in Ventura County. The practice phone is (805) 642-1430.

Dr. Halverson's primary practice is Primary Medical Group of Ventura County Inc in Ventura, California. Dr. Halverson is also affiliated with Community Memorial Hospital - Ventura. The medical group on file is Primary Medical Group. Dmand AI also links Dr. Halverson to 1 more hospital, 4 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Halverson practices, 8 sites in all. Vendor and product names are available with a free account.

Family medicine is Dr. Halverson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Halverson is board certified in family medicine by the American Board of Family Medicine. Dr. Halverson has a license on file in California.

Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, aneurysm, ankle or foot injury and anxiety among the conditions Dr. Halverson treats.

CMS data shows 3,417 Medicare services from Dr. Halverson across 25 procedure codes in 2024, for 792 Medicare patients. Medicare paid $242,328 for them. Every service was in an office.

CMS counts 792 Medicare patients who saw Dr. Halverson in 2024. The largest group is 65 to 74, with 397 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 5% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Halverson's median patient age at 71, with 45% women.

In 2024, Dr. Halverson wrote 10,103 Medicare Part D claims for 1,026 patients. 90% of them were for generic drugs. CMS names the drug for 9,304 of them, across 139 drugs with 11 or more claims each, at $598,504 in total drug cost. In 2023, CMS named 10,187 claims across 158 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Halverson for performance year 2024, reported as part of a group. Dr. Halverson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of removal of skin lesions by Dr. Halverson, more than 63% of the clinicians it reports for that procedure.

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

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

Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)

CMS Open Payments shows 140 general payments to Dr. Halverson from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $487.

Dr. Halverson graduated from Duke University School Of Medicine in 1982.

Dr. Halverson is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.