Dr. Nicholas E. Houstis, MD

Dr. Houstis practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Dr. Houstis' NPI, 1366600900, was assigned on May 30, 2008. Dr. Houstis graduated from Harvard Medical School in 2008. Dr. Houstis holds Massachusetts license 247671.

Dr. Houstis' primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Dr. Houstis' primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Houstis to 1 more community health center and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Houstis practices, 2 sites in all. Vendor and product names are available with a free account.

Cardiovascular disease is Dr. Houstis' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Houstis is licensed in Massachusetts.

CMS data shows 437 Medicare services from Dr. Houstis across 7 procedure codes in 2024, for 159 Medicare patients. Medicare paid $32,484 for them.

CMS counts 159 Medicare patients who saw Dr. Houstis in 2024. The largest group is 75 to 84, with 59 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 2.25, 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. Houstis' median patient age at 72, with 35% women.

In 2024, Dr. Houstis wrote 331 Medicare Part D claims for 52 patients. 79% of them were for generic drugs. CMS names the drug for 244 of them, across 11 drugs with 11 or more claims each, at $67,778 in total drug cost. In 2023, CMS named 169 claims across 6 drugs.

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

Dmand AI links 29 papers to Dr. Houstis, published from 2014 to 2025. 2020 was the busiest year, with 4. The most frequent topics are Heart Failure, Exercise and Stroke Volume. Dr. Houstis has published most often in Circ Res. Dr. Houstis' most frequent co-authors are Ravi Shah, MD, Matthew G. Nayor, MD and Anthony Rosenzweig, MD.

CMS Open Payments shows 1 general payment to Dr. Houstis from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $140.

Dr. Houstis graduated from Harvard Medical School in 2008.