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Internal Medicine

Amanpreet K. Grewal, MD

Works at hospitals in Modesto, CA · Turlock, CA · California

Summary

Dr. Amanpreet K. Grewal, MD is an internal medicine doctor at 1205 E N St, Manteca, CA 95336. Phone: (209) 576-3525. Accepts Medicare assignment. NPI 1356082242. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Amanpreet K. Grewal, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Amanpreet K. Grewal accept Medicare assignment?
Yes. Medicare's clinician data says Amanpreet K. Grewal 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.
What is Amanpreet K. Grewal's NPI number?
1356082242. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Amanpreet K. Grewal works

Medicare's Facility Affiliation Data lists Amanpreet 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.

  • Doctors Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050464
  • Emanuel Medical CenterTurlock, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050179
  • Memorial Medical CenterModesto, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050557

Practice locations

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

Group practices

Medicare enrollment lists Amanpreet K. Grewal as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Valley Medical Foundation2,500 clinicians in the group
  • Hospitalists of Modesto Medical Group Inc85 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Manteca

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

All internal medicine doctors in Manteca →

Other clinicians in Sutter Valley Medical Foundation

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356082242
CorrectionsReport 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

  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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians