Dr. Bert Montgomery Stewart, MD

Dr. Stewart practices at Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center.

Dr. Stewart's NPI, 1508965518, was assigned on September 22, 2006. Dr. Stewart graduated from Loma Linda University School Of Medicine in 1989. Dr. Stewart's Oregon license number on file is MD23395.

Dr. Stewart's primary practice is Sky Lakes Medical Center, at 2865 Daggett Avenue, Klamath Falls, OR 97601 in Klamath County. The practice phone is (541) 882-6311.

Dr. Stewart's primary practice is Sky Lakes Medical Center in Klamath Falls, Oregon, part of Sky Lakes Medical Center. Dr. Stewart is also affiliated with Asante Rogue Regional Medical Center. The medical group on file is Southern Coos Hospital & Health Center. Dmand AI also links Dr. Stewart to 2 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.

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

Surgery is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Stewart is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Stewart's licenses on file in 3 states: Oregon, California and Texas.

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

CMS data shows 1,646 Medicare services from Dr. Stewart across 15 procedure codes in 2024, for 251 Medicare patients. Medicare paid $214,619 for them.

CMS counts 251 Medicare patients who saw Dr. Stewart in 2024. The largest group is 65 to 74, with 118 patients. 60% of them have high cholesterol, and 58% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 68, with 52% women.

In 2024, Dr. Stewart wrote 262 Medicare Part D claims for 99 patients. 94% of them were for generic drugs. CMS names the drug for 171 of them, across 6 drugs with 11 or more claims each, at $1,803 in total drug cost. In 2023, CMS named 140 claims across 6 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Stewart for performance year 2024, reported individually. Dr. Stewart accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 17 procedures of hernia repair - groin (open) by Dr. Stewart, more than 95% of the clinicians it reports for that procedure.

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 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)

CMS Open Payments shows 82 general payments to Dr. Stewart from 36 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Heron Therapeutics, Inc. paid the most, $223.

Dmand AI lists 2 awards for Dr. Stewart, most recently CMS Stage 1 2012 in 2011.

Dr. Stewart graduated from Loma Linda University School Of Medicine in 1989. Dr. Stewart is a member of ACS and Eastern Association for the Surgery of Trauma.

Dr. Stewart is in network with 14 carriers, including Elevance, Aetna and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.