Dr. Karen Lynn Austin, MD

Dr. Austin practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.

Dr. Austin's NPI, 1649398926, was assigned on March 26, 2007. Dr. Austin graduated from Washington University School of Medicine in 2005. Dr. Austin holds Missouri license 2007022714.

Dr. Austin's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.

Dr. Austin's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Hospital St. Louis. Dmand AI also links Dr. Austin to 5 more group practices and clinics and 5 medical groups, each named with a free account.

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

Internal medicine is Dr. Austin's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Austin is licensed in Missouri.

CMS data shows 684 Medicare services from Dr. Austin across 5 procedure codes in 2024, for 276 Medicare patients. Medicare paid $50,440 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 276 Medicare patients who saw Dr. Austin in 2024. The largest group is 75 to 84, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 25% are also on Medicaid. Their average risk score is 2.37, 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. Austin's median patient age at 73, with 52% women.

In 2024, Dr. Austin wrote 267 Medicare Part D claims for 88 patients. 90% of them were for generic drugs. CMS names the drug for 99 of them, across 5 drugs with 11 or more claims each, at $1,067 in total drug cost. In 2023, CMS named 72 claims across 5 drugs.

Dr. Austin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Dmand AI links 25 papers to Dr. Austin, published from 2011 to 2025. 2012 was the busiest year, with 5. The most frequent topics are Veterans, Suicide and United States Department of Veterans Affairs. Dr. Austin has published most often in Gen Hosp Psychiatry. Dr. Austin's most frequent co-authors are Daniel William Bradford, MD, MPH, Gregory W. Dalack, MD and Ira Ralph Katz, MD.

CMS Open Payments shows 8 general payments to Dr. Austin from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 91% of the total. The Medicines Company paid the most, $114.

Dr. Austin graduated from Washington University School of Medicine in 2005.