Quick answers
- Does Rupesh H. Kalthia accept Medicare assignment?
- Yes. Medicare's clinician data says Rupesh H. Kalthia 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 Rupesh H. Kalthia see?
- In 2024, CMS data shows 780 Original Medicare patients and 1,155 services for Rupesh H. Kalthia. This counts Original Medicare only and measures volume, not quality.
- What is Rupesh H. Kalthia's NPI number?
- 1851572366. 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 Rupesh H. Kalthia, 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 | 780 |
|---|---|
| Services billed to Medicare | 1,155 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Ct scan of abdomen and pelvis with contrast (74177)348 services
- Ct scan of blood vessels of chest with contrast (71275)175 services
- Ct scan of abdomen and pelvis without contrast (74176)146 services
- Ct scan of chest with contrast (71260)100 services
- Ct scan of chest without contrast (71250)89 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%
- Chronic kidney disease43%
- Diabetes42%
- Arthritis42%
- Ischemic heart disease39%
Hospitals where Rupesh H. Kalthia works
Medicare's Facility Affiliation Data lists Rupesh H. Kalthia 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 CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
- Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
- Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283
- Sutter Amador HospitalJackson, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050014
Practice locations
Addresses where Rupesh H. Kalthia is enrolled with Medicare (CMS data updated October 2, 2026).
- 1701 Mills AveBelmont, CA 94002 (949) 269‑7356
- 300 Pasteur DrStanford, CA 94305 (650) 723‑4000
- 5555 W Las Positas BlvdPleasanton, CA 94588 (925) 847‑3000
Group practices
Medicare enrollment lists Rupesh H. Kalthia as a member of these groups (CMS data updated October 2, 2026).
- Stanford Health Care3,122 clinicians in the group
- Sutter Valley Medical Foundation2,500 clinicians in the group
- Blue Ridge Healthcare Medical Group Inc228 clinicians in the group
- Pacific Radiology Group Inc31 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Other clinicians in Stanford Health Care
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851572366 |
| 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