Dr. John K. Shaver, MD

Dr. Shaver practices at Saddleback Valley Surgical-Medical Group in Mission Viejo, California.

Dr. Shaver's NPI, 1598765729, was assigned on July 29, 2005. Dr. Shaver graduated from Vanderbilt University School Of Medicine in 1988. Dr. Shaver's California license number on file is G67999.

Dr. Shaver's primary practice is Saddleback Valley Surgical-Medical Group, at 27799 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 364-1007.

Dr. Shaver's primary practice is Saddleback Valley Surgical-Medical Group in Mission Viejo, California. Dr. Shaver is also affiliated with Providence Mission Hospital. The medical group on file is OC Surgeons (South Orange County Surgical). Dmand AI also links Dr. Shaver to 2 more medical groups, 1 group practice or clinic and 1 ambulatory surgery center, each named with a free account.

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

Surgery is Dr. Shaver's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Shaver is board certified in surgery by the American Board of Surgery. Dr. Shaver has a license on file in California.

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, appendectomy, cancerous skin growth removal, colonoscopy, colon removal, esophagus, stomach, or upper small intestine surgery and gallbladder removal among the conditions Dr. Shaver treats.

CMS data shows 505 Medicare services from Dr. Shaver across 11 procedure codes in 2024, for 317 Medicare patients. Medicare paid $62,203 for them.

CMS counts 317 Medicare patients who saw Dr. Shaver in 2024. The largest group is 65 to 74, with 155 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 9% are also on Medicaid. Their average risk score is 1.32, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Shaver's median patient age at 68, with 42% women.

In 2024, Dr. Shaver wrote 51 Medicare Part D claims for 27 patients. 63% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $405 in total drug cost. In 2023, CMS named 56 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Shaver for performance year 2024, reported individually. Dr. Shaver accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 57 procedures of hernia repair (minimally invasive) by Dr. Shaver, more than 99% 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)

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

Dmand AI links 5 papers to Dr. Shaver. The most frequent topics are Adenoma, Calcium and Carcinoma, Papillary. Dr. Shaver's most frequent co-authors are Quan-Yang Duh, MD, Milana P. Boukhman, MD and Howard D. Epstein, MD.

CMS Open Payments shows 146 general payments to Dr. Shaver from 33 drug and device companies from 2016 to 2025. Education make up the largest share, 58% of the total. Intuitive Surgical, Inc. paid the most, $33,380.

Dmand AI lists 2 awards for Dr. Shaver, most recently CMS Stage 1 EHR in 2013.

Dr. Shaver graduated from Vanderbilt University School Of Medicine in 1988. Dr. Shaver is a member of ACS.

Dr. Shaver is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.