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Internal Medicine

Ray E. Williams, MD

Sees patients in Inglewood, CA · California

Summary

Ray E. Williams, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Inglewood, CA. NPI 1144245838. 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 Ray E. Williams, 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
51Years since medical school (graduated 1975)
University Of California, San Francisco School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Ray E. Williams see patients?
Medicare's clinician data lists 1 practice location in Inglewood, CA. Call before your visit to confirm the address.
What is Ray E. Williams's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Allergy/Immunology.
Does Ray E. Williams accept Medicare assignment?
Yes. Medicare's clinician data says Ray E. Williams 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 the phone number for Ray E. Williams?
(310) 674-2876, as listed in official Medicare / NPI Registry data.
What is Ray E. Williams's NPI number?
1144245838. 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 Ray E. Williams is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Inglewood

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

All internal medicine doctors in Inglewood →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year1975
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144245838
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