Quick answers
- Does Mahazarin B. Ginwalla accept Medicare assignment?
- Yes. Medicare's clinician data says Mahazarin B. Ginwalla 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 Mahazarin B. Ginwalla see?
- In 2024, CMS data shows 543 Original Medicare patients and 2,063 services for Mahazarin B. Ginwalla. This counts Original Medicare only and measures volume, not quality.
- What is Mahazarin B. Ginwalla's NPI number?
- 1518052877. 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 Mahazarin B. Ginwalla, 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 | 543 |
|---|---|
| Services billed to Medicare | 2,063 |
| Different services or procedures | 36 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Critical care, first 30-74 minutes (99291)359 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)347 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)332 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)287 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)222 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 failure75%
- Ischemic heart disease62%
- Atrial fibrillation61%
- Chronic kidney disease55%
Hospitals where Mahazarin B. Ginwalla works
Medicare's Facility Affiliation Data lists Mahazarin B. Ginwalla 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.
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050047
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
Practice locations
Addresses where Mahazarin B. Ginwalla is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 100 S San Mateo DrSan Mateo, CA 94401 (650) 696‑5400
- 123 S San Mateo DrSan Mateo, CA 94401 (650) 343‑4200
- 1501 Trousdale DrBurlingame, CA 94010 (650) 696‑5400
- 1501 Trousdale Dr, Suite 215Burlingame, CA 94010 (415) 600‑6400
- 1950 University Ave, Suite 160East Palo Alto, CA 94303 (650) 317‑8100
Group practices
Medicare enrollment lists Mahazarin B. Ginwalla as a member of this group (CMS data updated October 2, 2026).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
Find other Advanced Heart Failure and Transplant Cardiology doctors in California →
Other heart failure and transplant cardiologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
- Aria Dibiase, MD
- Hao A. Tran, MD
- Rajeev C. Mohan, MD
- Michael A. Gibson, MD
- Claudio A. Bravo Carrillo, MD
- Ajay V. Srivastava, MD
- Maxine W. Stachel, MD
- Cullen T. Soares, MD
All heart failure and transplant cardiologists in California →
Other clinicians in Sutter Bay Medical Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518052877 |
| 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