Quick answers
- Does Ratan L. Tiwari accept Medicare assignment?
- Yes. Medicare's clinician data says Ratan L. Tiwari 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 Ratan L. Tiwari see?
- In 2024, CMS data shows 315 Original Medicare patients and 1,824 services for Ratan L. Tiwari. This counts Original Medicare only and measures volume, not quality.
- What is Ratan L. Tiwari's NPI number?
- 1396775847. 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 Ratan L. Tiwari, 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 | 315 |
|---|---|
| Services billed to Medicare | 1,824 |
| Different services or procedures | 48 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)284 services
- Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)246 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)216 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)199 services
- Evaluation of implantable heart and blood vessel monitoring system (93290)81 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%
- Diabetes55%
- Ischemic heart disease54%
- Heart failure50%
- Arthritis49%
Hospitals where Ratan L. Tiwari works
Medicare's Facility Affiliation Data lists Ratan L. Tiwari 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.
- Hemet Global Medical CenterHemet, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050390
Practice locations
Addresses where Ratan L. Tiwari is enrolled with Medicare (CMS data updated October 2, 2026).
- 949 Calhoun Pl, Suite DHemet, CA 92543
Group practices
Medicare enrollment lists Ratan L. Tiwari as a member of this group (CMS data updated October 2, 2026).
- Ratan L Tiwari MD Inc4 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in Hemet
Clinicians with the same Medicare primary specialty in Hemet, CA — not a recommendation.
Other clinicians in Ratan L Tiwari MD Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1969 (57 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396775847 |
| 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