Dr. Gregory S. Larsen, DO

Dr. Larsen practices at Adventist Health Mendocino Coast in Fort Bragg, California, part of Adventist Health.

Dr. Larsen's NPI, 1104073709, was assigned on August 26, 2008. Dr. Larsen graduated from Touro University California - Vallejo in 2007. Dr. Larsen holds California license 20A10521.

Dr. Larsen's primary practice is Adventist Health Mendocino Coast, at 700 River Drive, Fort Bragg, CA 95437 in Mendocino County. The practice phone is (707) 961-1234.

Dr. Larsen's primary practice is Adventist Health Mendocino Coast in Fort Bragg, California, part of Adventist Health. Dr. Larsen is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Pacific Redwood Medical Group. Dmand AI also links Dr. Larsen to 4 more hospitals and 4 medical groups, each named with a free account.

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

Emergency medicine is Dr. Larsen's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Larsen is board certified in emergency medicine by the AOA Board of Emergency Medicine. Dmand AI has Dr. Larsen's licenses on file in 2 states: California and Alaska.

CMS data shows 906 Medicare services from Dr. Larsen across 6 procedure codes in 2024, for 656 Medicare patients. Medicare paid $79,823 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 656 Medicare patients who saw Dr. Larsen in 2024. The largest group is 65 to 74, with 251 patients. 73% of them have high blood pressure, and 61% have high cholesterol. 38% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Larsen's median patient age at 52, with 55% women.

In 2024, Dr. Larsen wrote 457 Medicare Part D claims for 294 patients. 93% of them were for generic drugs. CMS names the drug for 289 of them, across 13 drugs with 11 or more claims each, at $1,477 in total drug cost. In 2023, CMS named 209 claims across 9 drugs.

Dr. Larsen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

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

CMS Open Payments shows 1 general payment to Dr. Larsen from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $173.

Dr. Larsen graduated from Touro University California - Vallejo in 2007. Dr. Larsen is a member of AOA.

Dr. Larsen is in network with 2 carriers, including AK State Medicaid and CMS Medicare. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.