Dr. Aaron Zachary Hettinger, MD

Dr. Hettinger practices at Medstar Union Memorial Hospital in Baltimore, Maryland.

Dr. Hettinger's NPI, 1396852281, was assigned on August 24, 2006. Dr. Hettinger holds District of Columbia license MD038665.

Dr. Hettinger's primary practice is Medstar Union Memorial Hospital, at 201 E University Pkwy, Baltimore, MD 21218 in Baltimore City. The practice phone is (410) 554-2002.

Dr. Hettinger's primary practice is Medstar Union Memorial Hospital in Baltimore, Maryland. Dr. Hettinger is also affiliated with MedStar Washington Hospital Center. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Hettinger to 1 more medical group, named with a free account.

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

Emergency medicine is Dr. Hettinger's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dmand AI has Dr. Hettinger's licenses on file in 2 states: District of Columbia and Maryland.

CMS data shows 303 Medicare services from Dr. Hettinger across 4 procedure codes in 2024, for 223 Medicare patients. Medicare paid $32,456 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 223 Medicare patients who saw Dr. Hettinger in 2024. The largest group is 65 to 74, with 84 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 56% are also on Medicaid. Their average risk score is 2.36, 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. Hettinger's median patient age at 54, with 58% women.

In 2024, Dr. Hettinger wrote 87 Medicare Part D claims for 70 patients. 90% of them were for generic drugs. CMS names the drug for 46 of them, across 3 drugs with 11 or more claims each, at $785 in total drug cost. In 2017, CMS named 11 claims across 1 drug.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Hettinger for performance year 2024, reported as part of a group.

Dmand AI links 41 papers to Dr. Hettinger, published from 2011 to 2025. 2021 was the busiest year, with 5. The most frequent topics are Electronic Health Records, Patient Safety and Physicians. Dr. Hettinger has published most often in J Am Med Inform Assoc. Dr. Hettinger's most frequent co-authors are Rollin J. Fairbanks, MD, Seth A. Krevat, MD and Aarthi Ganesh Shenoy, MD.