Dr. Bimalangshu Ranjan Dey, MD

Dr. Dey practices at Exeter Hospital in Exeter, New Hampshire, part of Beth Israel Lahey Health.

Dr. Dey's NPI, 1679563845, was assigned on October 27, 2005. Dr. Dey holds Massachusetts license 77992.

Dr. Dey's primary practice is Exeter Hospital, at 5 Alumni Drive, Exeter, NH 03833 in Rockingham County. The practice phone is (603) 778-7311.

Dr. Dey's primary practice is Exeter Hospital in Exeter, New Hampshire, part of Beth Israel Lahey Health. Dr. Dey is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Core Physicians. Dmand AI also links Dr. Dey to 2 more hospitals and 5 medical groups, each named with a free account.

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

Hematology and oncology is Dr. Dey's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Dey is licensed in Massachusetts.

CMS data shows 968 Medicare services from Dr. Dey across 6 procedure codes in 2024, for 419 Medicare patients. Medicare paid $82,578 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 419 Medicare patients who saw Dr. Dey in 2024. The largest group is 65 to 74, with 167 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 2.01, 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. Dey's median patient age at 73, with 48% women.

In 2024, Dr. Dey wrote 129 Medicare Part D claims for 49 patients. 88% of them were for generic drugs. CMS names the drug for 53 of them, across 4 drugs with 11 or more claims each, at $342 in total drug cost. In 2023, CMS named 47 claims across 3 drugs.

Dr. Dey accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dey as offering telehealth.

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

Dmand AI links 53 papers to Dr. Dey, published from 2010 to 2025. 2018 was the busiest year, with 5. The most frequent topics are Hematopoietic Stem Cell Transplantation, Transplantation Conditioning and Graft vs Host Disease. Dr. Dey has published most often in Bone Marrow Transplant. Dr. Dey's most frequent co-authors are Karen K. Ballen, MD, Vincent Trien-Vinh Ho, MD and Robert J. Soiffer, MD.

Dmand AI links Dr. Dey to 1 clinical trial. Conditions studied include Hodgkin Disease and Multiple Myeloma.

CMS Open Payments shows 3 general payments to Dr. Dey from 2 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 56% of the total. Astellas Pharma US Inc paid the most, $44.