Quick answers
- Does Jasbir S. Tiwana accept Medicare assignment?
- Yes. Medicare's clinician data says Jasbir S. Tiwana 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 Jasbir S. Tiwana see?
- In 2024, CMS data shows 782 Original Medicare patients and 4,026 services for Jasbir S. Tiwana. This counts Original Medicare only and measures volume, not quality.
- What is Jasbir S. Tiwana's NPI number?
- 1689826661. 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 Jasbir S. Tiwana, 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 | 782 |
|---|---|
| Services billed to Medicare | 4,026 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)2,265 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)630 services
- Hospital discharge day management, more than 30 minutes (99239)616 services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)180 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)101 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%
- Arthritis73%
- Ischemic heart disease52%
- Heart failure51%
- Diabetes49%
Hospitals where Jasbir S. Tiwana works
Medicare's Facility Affiliation Data lists Jasbir S. Tiwana 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.
- Adventist Health Simi ValleySimi Valley, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050236
- Antelope Valley HospitalLancaster, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050056
- Los Robles Hospital & Medical CenterThousand Oaks, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050549
- Northridge Hospital Medical CenterNorthridge, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050116
- St Johns Regional Medical CenterOxnard, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050082
Practice locations
Addresses where Jasbir S. Tiwana is enrolled with Medicare (CMS data updated October 2, 2026).
- 1172 Swallow LnSimi Valley, CA 93065 (805) 583‑4111
- 215 W Janss RdThousand Oaks, CA 91360 (866) 545‑2570
- 2975 Sycamore DrSimi Valley, CA 93065 (866) 545‑2570
Group practices
Medicare enrollment lists Jasbir S. Tiwana as a member of this group (CMS data updated October 2, 2026).
- Allure Medical Group a Professional Corporation6 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Simi Valley
Clinicians with the same Medicare primary specialty in Simi Valley, CA — not a recommendation.
Other clinicians in Allure Medical Group a Professional Corporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689826661 |
| 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