Dr. Sari Jane Kasper, DO

Dr. Kasper practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.

Dr. Kasper's NPI, 1194739110, was assigned on July 27, 2006. Dr. Kasper graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002. Dr. Kasper holds California license 20A9289.

Dr. Kasper's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.

Dr. Kasper's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Kasper is also affiliated with Concord Medical Center. The medical group on file is Epic Care. Dmand AI also links Dr. Kasper to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kasper practices, 7 sites in all. Vendor and product names are available with a free account.

Obstetrics and gynecology is Dr. Kasper's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Kasper is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Kasper is licensed in California.

Dmand AI lists hysterectomy, menopause and vaginal infection among the conditions Dr. Kasper treats.

CMS data shows 221 Medicare services from Dr. Kasper across 5 procedure codes in 2024, for 169 Medicare patients. Medicare paid $14,894 for them. Every service was in an office.

CMS counts 169 Medicare patients who saw Dr. Kasper in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high cholesterol, and 50% have high blood pressure. Their average risk score is 0.69, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Kasper's median patient age at 44, with 98% women.

In 2024, Dr. Kasper wrote 167 Medicare Part D claims for 75 patients. 77% of them were for generic drugs. CMS names the drug for 81 of them, across 3 drugs with 11 or more claims each, at $5,094 in total drug cost. In 2023, CMS named 98 claims across 3 drugs.

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

Removal of the uterus: 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 59 general payments to Dr. Kasper from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $449.

Dmand AI lists 1 award for Dr. Kasper.

Dr. Kasper graduated from WesternU College of Osteopathic Medicine of the Pacific in 2002. Dr. Kasper is a member of American College of Obstetricians and Gynecologists and AOA.

Dr. Kasper is in network with 15 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.