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Internal Medicine

Simone Powell, MD

Sees patients in Walnut Creek, CA · California

Summary

Simone Powell, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Walnut Creek, CA. NPI 1679970511. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Simone Powell, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
FemaleGender (as listed)
Permanente Medical Group IncGroup practice

Quick answers

Where does Simone Powell see patients?
Medicare's clinician data lists 1 practice location in Walnut Creek, CA. Call before your visit to confirm the address.
What is Simone Powell's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Simone Powell accept Medicare assignment?
Yes. Medicare's clinician data says Simone Powell accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is Simone Powell's NPI number?
1679970511. 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 Simone Powell is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Simone Powell as a member of this group (CMS data updated 2026-10-02).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Walnut Creek

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

All internal medicine doctors in Walnut Creek →

Clinician information

CredentialMD
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1679970511
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 2026-10-02, retrieved 2026-10-29
  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