Dr. Marissa Lea Anderson, MD

Dr. Anderson practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.

Dr. Anderson's NPI, 1043539836, was assigned on May 19, 2010. Dr. Anderson graduated from University of Miami, Miller School of Medicine in 2010. Dr. Anderson holds Illinois license 036.161754.

Dr. Anderson's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.

Dr. Anderson's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dr. Anderson is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists. Dmand AI also links Dr. Anderson 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. Anderson practices, 3 sites in all. Vendor and product names are available with a free account.

Colon and rectal surgery is Dr. Anderson's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Anderson is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Anderson's licenses on file in 4 states: Illinois, Texas, Georgia and Massachusetts.

Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Anderson treats.

CMS data shows 141 Medicare services from Dr. Anderson across 5 procedure codes in 2024, for 125 Medicare patients. Medicare paid $11,885 for them.

CMS counts 125 Medicare patients who saw Dr. Anderson in 2024. The largest group is 65 to 74, with 58 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 30% 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. Anderson's median patient age at 55, with 58% women.

In 2024, Dr. Anderson wrote 133 Medicare Part D claims for 72 patients. 88% of them were for generic drugs. CMS names the drug for 102 of them, across 5 drugs with 11 or more claims each, at $1,838 in total drug cost. In 2023, CMS named 35 claims across 2 drugs.

Dr. Anderson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of colonoscopy by Dr. Anderson, more than 51% of the clinicians it reports for that procedure.

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

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

Dmand AI links 3 papers to Dr. Anderson, published from 2011 to 2022. Dr. Anderson's most frequent co-authors are Alexis Grucela, MD, Huriye Hande Aydinli, MD and Mitchell A. Bernstein, MD.

CMS Open Payments shows 56 general payments to Dr. Anderson from 20 drug and device companies from 2018 to 2025. Travel and lodging make up the largest share, 52% of the total. Intuitive Surgical, Inc. paid the most, $1,887.

Dr. Anderson graduated from University of Miami, Miller School of Medicine in 2010.

Dr. Anderson is in network with 17 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.