Dr. Kanishka Bhattacharya, MD

Dr. Bhattacharya practices at Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services.

Dr. Bhattacharya's NPI, 1457333510, was assigned on November 15, 2005. Dr. Bhattacharya holds Massachusetts license 158037.

Dr. Bhattacharya's primary practice is Central Maine Medical Center, at 300 Main Street, Lewiston, ME 04240 in Androscoggin County. The practice phone is (207) 795-0111.

Dr. Bhattacharya's primary practice is Central Maine Medical Center in Lewiston, Maine, part of Prime Healthcare Services. Dr. Bhattacharya is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is Central Maine Medical Center. Dmand AI also links Dr. Bhattacharya to 2 more hospitals and 2 medical groups, each named with a free account. Dr. Bhattacharya's employer is on file too: a hospital.

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

Gastroenterology is Dr. Bhattacharya's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Bhattacharya is licensed in Massachusetts.

CMS data shows 205 Medicare services from Dr. Bhattacharya across 9 procedure codes in 2024, for 205 Medicare patients. Medicare paid $25,003 for them. Every service was in a facility, such as a hospital, rather than an office.

CMS counts 205 Medicare patients who saw Dr. Bhattacharya in 2024. The largest group is 65 to 74, with 77 patients. 70% of them have high cholesterol, and 66% have high blood pressure. 39% are also on Medicaid. Their average risk score is 1.56, 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. Bhattacharya's median patient age at 65, with 50% women.

In 2024, Dr. Bhattacharya wrote 1,436 Medicare Part D claims for 1,191 patients. 79% of them were for generic drugs. CMS names the drug for 1,343 of them, across 12 drugs with 11 or more claims each, at $129,915 in total drug cost. In 2023, CMS named 2,353 claims across 13 drugs.

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 out of 100 for Dr. Bhattacharya for performance year 2024, reported as part of a group. Dr. Bhattacharya accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 82 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Bhattacharya, more than 72% of the clinicians it reports for that procedure.

CMS Open Payments shows 206 general payments to Dr. Bhattacharya from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,663.