NPPES file of Aug 9, 2026

Ray Everett Williams, M.D.

Allergy & Immunology (Internal Medicine) Physician · Inglewood, CA

Ray Everett Williams, M.D. is an allergy & immunology (internal medicine) physician with a practice address in Inglewood, California, and NPI 1144245838, issued on Jul 13, 2006. Check the license (California G32137, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144245838
Name
Ray Everett Williams
Credential
M.D.
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
G32137 CA
Self-reported in NPPES; status is on the state search
Practice location
323 N Prairie Ave, Inglewood, CA 90301
Phone
(310) 674-2876
Enumerated
Jul 13, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(310) 674-1827
Medicaid ID
00G321370 CA
Medicare enrollment
Enrolled (PECOS I20100924000765); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 323 N Prairie Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Loida Almaguel, LCSWClinical Social Worker1902058746
  2. Joel Ammons, D.P.M.Primary Podiatric Medicine Podiatrist1598812786
  3. Jacqueline Angeles, M.A., LMFT #93466Marriage & Family Therapist1548430879
  4. Jeannete ArzateSocial Worker1285029488
  5. Rosanna Azanza, LCSWClinical Social Worker1538494794
  6. Michelle Banks, MDOphthalmology Physician1356365654

Verify Ray Everett Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G32137
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

76% fewer Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024

186 Medicare Part D claims for 19 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Ray Williams186
  2. Specialty average789

Most prescribed

  1. Montelukast Sodium15 claims
  2. Fluticasone Propionate14 claims
  3. Trelegy Ellipta11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Ray Everett Williams among 81 allergy & immunology (internal medicine) physician records in California

Ray Everett Williams, M.D. is one of 81 allergy & immunology (internal medicine) physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 68% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 57% of these records are
  • Graduated1975 · median 2010 among the 46 with a school on file
  • Record last updated2007 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology (Internal Medicine) Physician providers in California

There are 81 allergy & immunology (internal medicine) physician records in California.

The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes

  1. Amie Schweis, MDRedondo Beach, CA 902771124481809
  2. Andrew Wong, M.D.Manhattan Beach, CA 902661083983845
  3. Raffi TchekmedyianTorrance, CA 905051659831287
  4. William Klaustermeyer, MDLos Angeles, CA 900951265451165
  5. Joyce Lee, M.D.Los Angeles, CA 900951114243136
  6. Andre Nel, MDLos Angeles, CA 900951023037702
  7. Andrew Saxon, MDLos Angeles, CA 900951174543318
  8. Howard Strom, MDLos Angeles, CA 900681407153000

Common questions

What is Ray Everett Williams, M.D.'s NPI number?

Ray Everett Williams, M.D.'s National Provider Identifier (NPI) is 1144245838, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ray Everett Williams, M.D. located?

The NPPES record lists a practice address at 323 N Prairie Ave, Inglewood, CA, 90301. Phone: (310) 674-2876. Providers update this record themselves, so call before visiting.

How can I verify Ray Everett Williams, M.D.'s license?

NPPES lists California license number G32137, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ray Everett Williams, M.D. prescribe under Medicare Part D?

In 2024, Ray Everett Williams, M.D. had 186 Medicare Part D claims for 19 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.