Quick answers
- Does Kanishka Bhattacharya accept Medicare assignment?
- Yes. Medicare's clinician data says Kanishka Bhattacharya accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Kanishka Bhattacharya see?
- In 2024, CMS data shows 205 Original Medicare patients and 278 services for Kanishka Bhattacharya. This counts Original Medicare only and measures volume, not quality.
- What is Kanishka Bhattacharya's NPI number?
- 1457333510. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Kanishka Bhattacharya, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 205 |
|---|---|
| Services billed to Medicare | 278 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)44 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)33 services
- Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43235)32 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)24 services
- Diagnostic exam of large bowel using a flexible endoscope (45378)21 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol70%
- High blood pressure66%
- Arthritis43%
- Anxiety36%
- Depression34%
- Diabetes28%
Hospitals where Kanishka Bhattacharya works
Medicare's Facility Affiliation Data lists Kanishka Bhattacharya at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bridgton HospitalBridgton, ME · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 201310
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 200024
- Rumford HospitalRumford, ME · Critical Access Hospital · Emergency services: listed by Medicare · CCN 201306
- UMass Memorial Medical Center/University CampusWorcester, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220163
Practice locations
Addresses where Kanishka Bhattacharya is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 10 Hospital DrBridgton, ME 04009 (207) 647‑6000
- 119 Belmont StWorcester, MA 01605 (508) 831‑1272
- 12 High St, Suite 200Lewiston, ME 04240 (207) 795‑5770
- 15 Hospital DrBridgton, ME 04009 (207) 647‑4234
- 300 Main StLewiston, ME 04240
Group practices
Medicare enrollment lists Kanishka Bhattacharya as a member of these groups (CMS data updated October 2, 2026).
- UMass Memorial Medical Group Inc2,516 clinicians in the group
- Central Maine Medical Center342 clinicians in the group
- Bridgton Hospital39 clinicians in the group
- Rumford Hospital39 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Other clinicians in UMass Memorial Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 (43 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1457333510 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians