Dr. William Campbell Wallace, MD

Dr. Wallace practices at Digestive Care Center - Saddleback Medical Center in Laguna Hills, California.

Dr. Wallace's NPI, 1528088960, was assigned on July 20, 2006. Dr. Wallace graduated from The Robert Larner, M.D. College of Medicine in 1996. Dr. Wallace's California license number on file is A66100.

Dr. Wallace's primary practice is Digestive Care Center - Saddleback Medical Center, at 24411 Health Ctr Dr, #450, Laguna Hills, CA 92653. The practice phone is (714) 586-9386.

Dr. Wallace's primary practice is Digestive Care Center - Saddleback Medical Center in Laguna Hills, California. Dr. Wallace is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is OC Surgeons (South Orange County Surgical). Dmand AI also links Dr. Wallace to 1 more hospital, 2 group practices and clinics, 1 ambulatory surgery center and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wallace practices, 6 sites in all. Vendor and product names are available with a free account.

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

Dmand AI lists abdominal adhesion surgery, abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, appendectomy, colon removal, esophagus, stomach, or upper small intestine surgery, gallbladder removal and gastrointestinal bleeding among the conditions Dr. Wallace treats.

CMS data shows 510 Medicare services from Dr. Wallace across 14 procedure codes in 2024, for 226 Medicare patients. Medicare paid $69,050 for them.

CMS counts 226 Medicare patients who saw Dr. Wallace in 2024. The largest group is 65 to 74, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.64, 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. Wallace's median patient age at 70, with 43% women.

In 2024, Dr. Wallace wrote 135 Medicare Part D claims for 94 patients. 96% of them were for generic drugs. CMS names the drug for 83 of them, across 3 drugs with 11 or more claims each, at $690 in total drug cost. In 2023, CMS named 61 claims across 3 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Wallace for performance year 2024, reported as part of a group. Dr. Wallace accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 38 procedures of hernia repair - groin (open) by Dr. Wallace, more than 99% of the clinicians it reports for that procedure.

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Spinal fusion: 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)

CMS Open Payments shows 51 general payments to Dr. Wallace from 21 drug and device companies from 2016 to 2025. Education make up the largest share, 54% of the total. Intuitive Surgical, Inc. paid the most, $3,732.

Dmand AI lists 3 awards for Dr. Wallace, most recently Checkbook Top Doc in 2013.

Dr. Wallace graduated from The Robert Larner, M.D. College of Medicine in 1996. Dr. Wallace is a member of ACS.

Dr. Wallace is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.