NPPES file of Aug 9, 2026

Charles R. Williams, M.D.

Pain Medicine (Anesthesiology) Physician · Whittier, CA

Charles R. Williams, M.D. is a pain medicine (anesthesiology) physician with a practice address in Whittier, California, and NPI 1760526743, issued on Feb 16, 2007. Check the license (California G51191, 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
1760526743
Name
Charles R. Williams
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
G51191 CA
Self-reported in NPPES; status is on the state search
Practice location
6331 Greenleaf Ave # 8, Whittier, CA 90601
Phone
(562) 556-8114
Enumerated
Feb 16, 2007
Record last updated
Apr 11, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →

Verify Charles R. 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 G51191    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.

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Industry payments in 2024: $519.95

9 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Charles Williams$519.95
  2. Specialty average$3,225.41

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Charles R. Williams among 536 pain medicine (anesthesiology) physician records in California

Charles R. Williams, M.D. is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 45% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in California

There are 536 pain medicine (anesthesiology) physician records in California.

All 536 in California → Every provider in Whittier → Pain Medicine (Anesthesiology) Physician nationwide →

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Stephen Eng, D.O.,M.DMontebello, CA 906401740347640
  2. Jerry Jacobs, M.D.Montebello, CA 906401760576821
  3. Haruo Arita, MDTorrance, CA 905051154372852
  4. Ripu Arora, MDTorrance, CA 905051821001629
  5. David Cho, M.D.Torrance, CA 905051295976488
  6. Fabian Proano, MDTorrance, CA 905051932219169
  7. Katrina Von Kriegenbergh, MDTorrance, CA 905051013270867
  8. Patricia Wynn-JonesTorrance, CA 905031396878377

Common questions

What is Charles R. Williams, M.D.'s NPI number?

Charles R. Williams, M.D.'s National Provider Identifier (NPI) is 1760526743, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles R. Williams, M.D. located?

The NPPES record lists a practice address at 6331 Greenleaf Ave # 8, Whittier, CA, 90601. Phone: (562) 556-8114. Providers update this record themselves, so call before visiting.

How can I verify Charles R. Williams, M.D.'s license?

NPPES lists California license number G51191, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.