Dr. Cheyenne Cassel Sonntag, MD

Dr. Sonntag practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.

Dr. Sonntag's NPI, 1104244144, was assigned on April 5, 2014. Dr. Sonntag graduated from Keck School of Medicine of USC in 2014. Dr. Sonntag holds California license A171743.

Dr. Sonntag's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.

Dr. Sonntag's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dr. Sonntag is also affiliated with Stanford Health Care Tri-Valley. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Sonntag to 1 more hospital and 2 medical groups, each named with a free account. Dr. Sonntag's employer is on file too: a hospital.

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

Surgery is Dr. Sonntag's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Sonntag is board certified in surgical critical care by the American Board of Emergency Medicine. Dmand AI has Dr. Sonntag's licenses on file in 2 states: California and Pennsylvania.

CMS data shows 437 Medicare services from Dr. Sonntag across 7 procedure codes in 2024, for 277 Medicare patients. Medicare paid $46,878 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 277 Medicare patients who saw Dr. Sonntag in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Sonntag's median patient age at 56, with 44% women.

In 2024, Dr. Sonntag wrote 12 Medicare Part D claims.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Sonntag for performance year 2024, reported as part of a group. Dr. Sonntag accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of removal of tissue by Dr. Sonntag, more than 64% of the clinicians it reports for that procedure.

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

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Dmand AI links 7 papers to Dr. Sonntag, published from 2018 to 2021. 2018 was the busiest year, with 2. The most frequent topics are Catheterization, Central Venous, Clinical Competence and Internship and Residency. Dr. Sonntag has published most often in Am J Surg. Dr. Sonntag's most frequent co-authors are Rohan Prabhu and Katelin Anne Mirkin, MD.

CMS Open Payments shows 2 general payments to Dr. Sonntag from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 92% of the total. Boston Scientific Corporation paid the most, $82.

Dr. Sonntag graduated from Keck School of Medicine of USC in 2014. Dr. Sonntag is a member of ACS, AAS and SAGES.

Dr. Sonntag is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.