Quick answers
- Does Mimi J. Biswas accept Medicare assignment?
- Yes. Medicare's clinician data says Mimi J. Biswas 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 Mimi J. Biswas see?
- In 2024, CMS data shows 271 Original Medicare patients and 485 services for Mimi J. Biswas. This counts Original Medicare only and measures volume, not quality.
- What is Mimi J. Biswas's NPI number?
- 1518970755. 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 Mimi J. Biswas, 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 | 271 |
|---|---|
| Services billed to Medicare | 485 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)118 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)84 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)70 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)69 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)54 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 blood pressure75%
- High cholesterol75%
- Heart failure62%
- Diabetes59%
- Ischemic heart disease57%
- Chronic kidney disease53%
Hospitals where Mimi J. Biswas works
Medicare's Facility Affiliation Data lists Mimi J. Biswas 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.
- Corona Regional Medical CenterCorona, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050329
- Parkview Community Hospital Medical CenterRiverside, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050102
- Riverside Community HospitalRiverside, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050022
Practice locations
Addresses where Mimi J. Biswas is enrolled with Medicare (CMS data updated October 2, 2026).
- 3770 Elizabeth StRiverside, CA 92506 (951) 352‑3937
- 830 Magnolia Ave, Suite 101Corona, CA 92879 (951) 352‑3937
Group practices
Medicare enrollment lists Mimi J. Biswas as a member of this group (CMS data updated October 2, 2026).
- Cardiology Specialists Medical Group Inc12 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Riverside
Clinicians with the same Medicare primary specialty in Riverside, CA — not a recommendation.
Other clinicians in Cardiology Specialists Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1518970755 |
| 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