Dr. Christopher Ramon Williams, MD

Dr. Williams practices at Pathnostics - Irvine in Irvine, California.

Dr. Williams' NPI, 1972578136, was assigned on February 21, 2006. Dr. Williams graduated from University of North Carolina School of Medicine in 1997. Dr. Williams holds Florida license ME94735.

Dr. Williams' primary practice is Pathnostics - Irvine, at 15545 Sand Canyon Avenue, Suite 100 & 200, Irvine, CA 92618. The practice phone is (714) 966-1221.

Dr. Williams' primary practice is Pathnostics - Irvine in Irvine, California. Dr. Williams is also affiliated with UF Health Jacksonville. The medical group on file is UF Jacksonville Physicians, Inc. Dmand AI also links Dr. Williams to 1 more physician office, named with a free account.

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

Urology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Williams is board certified in urology by the American Board of Urology. Dmand AI has Dr. Williams' licenses on file in 2 states: Florida and Alabama.

Dmand AI lists bladder disease, enlarged prostate, erectile dysfunction, kidney cysts, testicular dysfunction and urinary endoscopy among the conditions Dr. Williams treats.

CMS data shows 89 Medicare services from Dr. Williams across 2 procedure codes in 2024, for 65 Medicare patients. Medicare paid $8,914 for them. Every service was in an office.

CMS counts 65 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 41 patients. 75% of them have high cholesterol, and 71% have high blood pressure. Their average risk score is 1.00, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 69, with 5% women.

In 2024, Dr. Williams wrote 116 Medicare Part D claims for 38 patients. 83% of them were for generic drugs. CMS names the drug for 82 of them, across 4 drugs with 11 or more claims each, at $6,496 in total drug cost. In 2023, CMS named 83 claims across 4 drugs.

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

Dmand AI links 38 papers to Dr. Williams, published from 2007 to 2019. 2012 was the busiest year, with 4. The most frequent topics are Prostatic Neoplasms, Proton Therapy and Antineoplastic Agents. Dr. Williams has published most often in Int J Radiat Oncol Biol Phys. Dr. Williams' most frequent co-authors are Nancy P. Mendenhall, MD, Bradford Scott Hoppe, MD, MPH and William M. Mendenhall, MD.

Dmand AI links Dr. Williams to 2 clinical trials, 2 of them phase 2 studies. Conditions studied include Prostatic Neoplasms, Prostatic Hyperplasia and Prostatic Diseases. H. Lee Moffitt Cancer Center and Research Institute sponsors the most, 2.

CMS Open Payments shows 40 general payments to Dr. Williams from 23 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 96% of the total. Astellas Pharma US Inc paid the most, $363.

Dr. Williams graduated from University of North Carolina School of Medicine in 1997. Dr. Williams is a member of AUA and Society of Urological Oncology.

Dr. Williams is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.