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Internal Medicine

Sagar P. Parekh, DO

Sees patients in Thousand Oaks, CA · Woodland Hills, CA · California

Summary

Dr. Sagar P. Parekh, DO is an internal medicine doctor at 365 E Hillcrest Dr, Thousand Oaks, CA 91360. Phone: (805) 374-7433. Accepts Medicare assignment. NPI 1740855055. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 365 E Hillcrest Dr, Thousand Oaks, CA 91360 · Directions (1 more location)
  • Phone: (805) 374‑7433
  • Medicare: Accepts Medicare assignment
  • Group practice: Southern California Permanente Medical Group
  • Medical school: Western University Of Health Sciences College Of Dental Med · graduated 2021 (5 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sagar P. Parekh, 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 Sagar P. Parekh accept Medicare assignment?
Yes. Medicare's clinician data says Sagar P. Parekh 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 Sagar P. Parekh's NPI number?
1740855055. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sagar P. Parekh is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sagar P. Parekh as a member of this group (CMS data updated October 2, 2026).

  • Southern California Permanente Medical Group11,293 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Thousand Oaks

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

All internal medicine doctors in Thousand Oaks →

Other clinicians in Southern California Permanente Medical Group

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

Clinician information

CredentialDO
Medical schoolWestern University Of Health Sciences College Of Dental Med
Graduation year2021 (5 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1740855055
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians