Karen L. Sonnenthal, NP

Karen Sonnenthal practices at John Muir Physician Network in Pleasant Hill, California.

Karen Sonnenthal's NPI, 1942229463, was assigned on July 18, 2006. Karen Sonnenthal holds California license NP9432.

Karen Sonnenthal's primary practice is John Muir Physician Network, at 2675 Pleasant Hill Rd, Pleasant Hill, CA 94523 in Contra Costa County. The practice phone is (925) 296-9872.

Karen Sonnenthal's primary practice is John Muir Physician Network in Pleasant Hill, California. Karen Sonnenthal is also affiliated with John Muir Medical Center, Walnut Creek. The medical group on file is John Muir Medical Group. Dmand AI also links Karen Sonnenthal to 1 more hospital, 3 home health agencies and 1 group practice or clinic, each named with a free account.

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

Nurse practitioner is Karen Sonnenthal's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Karen Sonnenthal is licensed in California.

Dmand AI lists acne, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, ankle or foot injury, asthma and bladder disease among the conditions Karen Sonnenthal treats.

CMS data shows 953 Medicare services from Karen Sonnenthal across 15 procedure codes in 2024, for 326 Medicare patients. Medicare paid $59,783 for them. Every service was in an office.

CMS counts 326 Medicare patients who saw Karen Sonnenthal in 2024. The largest group is 65 to 74, with 154 patients. 75% of them have high cholesterol, and 61% have high blood pressure. 11% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Karen Sonnenthal's median patient age at 59, with 77% women.

In 2024, Karen Sonnenthal wrote 4,037 Medicare Part D claims for 629 patients. 92% of them were for generic drugs. CMS names the drug for 3,447 of them, across 94 drugs with 11 or more claims each, at $157,899 in total drug cost.

Karen Sonnenthal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Karen Sonnenthal as offering telehealth.

CMS Open Payments shows 9 general payments to Karen Sonnenthal from 6 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Mayne Pharma Inc. paid the most, $51.