David Jeffrey Horwitz, PA-C

David Horwitz practices at Humboldt Open Door Clinic in Arcata, California.

David Horwitz's NPI, 1386739845, was assigned on October 3, 2006. David Horwitz holds California license PA10646.

David Horwitz's primary practice is Humboldt Open Door Clinic, at 1275 8th St, Arcata, CA 95521 in Humboldt County. The practice phone is (707) 826-8610.

David Horwitz's primary practice is Humboldt Open Door Clinic in Arcata, California. David Horwitz is also affiliated with Mad River Community Hospital. The medical group on file is Open Door Community Health Centers. Dmand AI also links David Horwitz to 1 more hospital and 1 community health center, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where David Horwitz practices, 3 sites in all. Vendor and product names are available with a free account.

Medical is David Horwitz's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. David Horwitz is licensed in California.

CMS counts 71 Medicare patients who saw David Horwitz in 2024. The largest group is 65 to 74, with 36 patients. 75% of them have high cholesterol, and 63% have high blood pressure. 56% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts David Horwitz's median patient age at 63, with 31% women.

In 2024, David Horwitz wrote 3,115 Medicare Part D claims for 170 patients. 82% of them were for generic drugs.

David Horwitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.