Dr. Alexander Cheng-Kang Guo, MD

Dr. Guo practices at Marshall Medical in Placerville, California, part of Marshall Medical Center.

Dr. Guo's NPI, 1083703201, was assigned on October 12, 2006. Dr. Guo graduated from The Johns Hopkins University School of Medicine in 1994. Dr. Guo holds California license A74167.

Dr. Guo's primary practice is Marshall Medical, at 1100 Marshall Way, Placerville, CA 95667 in El Dorado County. The practice phone is (530) 622-1441.

Dr. Guo's primary practice is Marshall Medical in Placerville, California, part of Marshall Medical Center. Dr. Guo is also affiliated with UC Davis Medical Center. The medical group on file is RADS, Inc. Dmand AI also links Dr. Guo to 1 more medical group, named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guo practices, 2 sites in all. Vendor and product names are available with a free account.

Diagnostic radiology is Dr. Guo's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Guo is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Guo's licenses on file in 3 states: California, North Carolina and New York.

CMS data shows 4,040 Medicare services from Dr. Guo across 68 procedure codes in 2024, for 2,536 Medicare patients. Medicare paid $121,410 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 2,536 Medicare patients who saw Dr. Guo in 2024. The largest group is 65 to 74, with 1,115 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 22% are also on Medicaid. Their average risk score is 1.30, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Guo's median patient age at 65, with 63% women.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Guo for performance year 2024, reported as part of a group. Dr. Guo accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 8 papers to Dr. Guo, published from 2004 to 2013. The most frequent topics are Anisotropy, Brain and Magnetic Resonance Imaging. Dr. Guo has published most often in Radiology. Dr. Guo's most frequent co-authors are George S. Bisset, MD, Caroline Hollingsworth, MD and Joanne Kurtzberg, MD.

CMS Open Payments shows 5 general payments to Dr. Guo from 4 drug and device companies from 2017 to 2025. Entertainment make up the largest share, 55% of the total. Shimadzu Precision Instruments, Inc. paid the most, $200.

Dr. Guo graduated from The Johns Hopkins University School of Medicine in 1994.

Dr. Guo is in network with 14 carriers, including Excellus BlueCross BlueShield, United Healthcare and Elevance. PPO plans come from the most carriers, 8. Check the plan with the practice before a visit.