Satinder K. Grewal, MD

Medicare activity in 2024

Official CMS public-use data for Satinder K. Grewal, 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.

Most frequent services

1. Telehealth consultation, critical care, initial , physicians typically spend 60 minutes communicating with the patient and providers via telehealth (G0508)63 services
2. Telehealth consultation, emergency department or initial inpatient, typically 30 minutes communicating with the patient via telehealth (G0425)53 services
3. Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth (G0426)29 services
4. Emergency department visit with straightforward medical decision making (99282)11 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%
• Stroke or mini-stroke75%
• Arthritis51%
• Ischemic heart disease51%
• Diabetes44%

Hospitals where Satinder K. Grewal works

Medicare's Facility Affiliation Data lists Satinder K. Grewal 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.

• Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050278

Practice locations

Addresses where Satinder K. Grewal is enrolled with Medicare (CMS data updated October 2, 2026).

• 15031 Rinaldi StMission Hills, CA 91345 (818) 365‑8051

Group practices

Medicare enrollment lists Satinder K. Grewal as a member of this group (CMS data updated October 2, 2026).

• Providence Saint Johns Medical Foundation281 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in California →

Other neurologists in Mission Hills

Clinicians with the same Medicare primary specialty in Mission Hills, CA — not a recommendation.

• Kanwal K. Nayyar, MD
• Ankur Nayyar, MD
• Wei Mi, MD
• Yasuhiro Maeda, MD
• Lindsey K. Frischmann, DO
• Alvin H. Nguyen, DO

All neurologists in Mission Hills →

Other clinicians in Providence Saint Johns Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Bryant D. Yang, MD
• Canty Wang, MD
• Giselle T. Tamula, NP
• Michael J. Yong, MD
• Jennifer L. Chin, MD
• William G. Buxton, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians