Dr. Justin Stites Lewis, MD

Dr. Lewis practices at Adventist Health Portland in Portland, Oregon, part of Adventist Health.

Dr. Lewis' NPI, 1831621929, was assigned on March 29, 2017. Dr. Lewis graduated from Keck School of Medicine of USC in 2017. Dr. Lewis' Oregon license number on file is MD191801.

Dr. Lewis' primary practice is Adventist Health Portland, at 10123 Se Market Street, Portland, OR 97216 in Multnomah County. The practice phone is (503) 257-2500.

Dr. Lewis' primary practice is Adventist Health Portland in Portland, Oregon, part of Adventist Health. Dr. Lewis is also affiliated with OHSU Hospital. The medical group on file is Adventist Health Portland. Dmand AI also links Dr. Lewis to 1 more group practice or clinic, named with a free account.

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

Gastroenterology is Dr. Lewis' primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Lewis is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Lewis' licenses on file in 3 states: Oregon, California and Washington.

CMS data shows 90 Medicare services from Dr. Lewis across 5 procedure codes in 2024, for 59 Medicare patients. Medicare paid $7,812 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 59 Medicare patients who saw Dr. Lewis in 2024. The largest group is 65 to 74, with 29 patients. 69% of them have high cholesterol, and 53% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lewis' median patient age at 69, with 53% women.

In 2024, Dr. Lewis wrote 144 Medicare Part D claims for 95 patients. 74% of them were for generic drugs. CMS names the drug for 96 of them, across 3 drugs with 11 or more claims each, at $1,308 in total drug cost. In 2021, CMS named 24 claims across 2 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Lewis for performance year 2024, reported as part of a group. Dr. Lewis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 76 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Lewis, more than 71% of the clinicians it reports for that procedure.

Dmand AI links 15 papers to Dr. Lewis, published from 2019 to 2025. 2020 was the busiest year, with 7. The most frequent topics are California, Poison Control Centers and Drug Overdose. Dr. Lewis has published most often in Clin Toxicol (Phila). Dr. Lewis' most frequent co-authors are Raymond Ho, MD, Timothy Eugene Albertson, MD, MPH, PhD and Joshua August Boys, MD.

CMS Open Payments shows 25 general payments to Dr. Lewis from 7 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 53% of the total. Cook Medical LLC paid the most, $556.

Dr. Lewis graduated from Keck School of Medicine of USC in 2017.

Dr. Lewis is in network with 16 carriers, including Aetna, Elevance and United Healthcare. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.