Dr. Subramony Subramonia Iyer, MD

Dr. Subramonia Iyer practices at Mercy Medical Center (MA) in Springfield, Massachusetts.

Dr. Subramonia Iyer's NPI, 1558551952, was assigned on July 31, 2007. Dr. Subramonia Iyer holds Massachusetts license 253528.

Dr. Subramonia Iyer's primary practice is Mercy Medical Center (MA), at 271 Carew St, Springfield, MA 01104 in Hampden County. The practice phone is (413) 748-9000.

Dr. Subramonia Iyer's primary practice is Mercy Medical Center (MA) in Springfield, Massachusetts. Dr. Subramonia Iyer is also affiliated with Baystate Medical Center. The medical group on file is Trinity Health Of New England Medical Group. Dmand AI also links Dr. Subramonia Iyer to 2 more hospitals, 1 hospice and 1 medical group, each named with a free account.

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Subramonia Iyer practices, 4 sites in all. Vendor and product names are available with a free account.

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

CMS data shows 1,325 Medicare services from Dr. Subramonia Iyer across 8 procedure codes in 2024, for 449 Medicare patients. Medicare paid $93,349 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 449 Medicare patients who saw Dr. Subramonia Iyer in 2024. The largest group is 65 to 74, with 188 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.99, 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. Subramonia Iyer's median patient age at 69, with 56% women.

In 2024, Dr. Subramonia Iyer wrote 3,126 Medicare Part D claims for 386 patients. 82% of them were for generic drugs. CMS names the drug for 2,869 of them, across 70 drugs with 11 or more claims each, at $5,451,401 in total drug cost. In 2023, CMS named 2,714 claims across 68 drugs.

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

CMS Open Payments shows 8 general payments to Dr. Subramonia Iyer from 5 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 76% of the total. Tempus AI, Inc paid the most, $129.