NPPES file of Aug 9, 2026

Ronald Emil Lazar, M.D.

Anesthesiology Physician · Riverside, CA

Ronald Emil Lazar, M.D. is an anesthesiology physician with a practice address in Riverside, California, and NPI 1255429874, issued on Oct 10, 2006. Check the license (California G73606, 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
1255429874
Name
Ronald Emil Lazar
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G73606 CA
Self-reported in NPPES; status is on the state search
Practice location
3660 Arlington Ave, Riverside, CA 92506
Phone
(951) 782-5110
Enumerated
Oct 10, 2006
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(951) 782-5104
Medicare enrollment
Enrolled (PECOS I20090107000373); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1990
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.
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Also registered at 3660 Arlington Ave

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

  1. Norma Dominguez, D.O.Anesthesiology Physician1457449159
  2. Shaina Jones, AUDAudiologist1376282491
  3. Hannah Kwon, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1760017909
  4. Leonids Raterman, M.D.Surgery Physician1417980947

Verify Ronald Emil Lazar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G73606    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: $17.56

1 payment: food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ronald Lazar$17.56
  2. Specialty average$669.59

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

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

All 7,571 in California → Every provider in Riverside →

Other anesthesiology physician records in California

  1. Alison A'Court, MDSan Diego, CA1912218199
  2. Elma Abad-Pelsang, MDDel Mar, CA1689611923
  3. Rolando Abada, M.D.San Diego, CA1952319071
  4. Maher Abadir, MDTurlock, CA1669491718
  5. Jerry Abajian, M.D.Napa, CA1851336218
  6. Carolyn AbbasiLoma Linda, CA1811287311
  7. Christine Abboud, D.O.Walnut Creek, CA1174901508
  8. Steven Abboud, MDPalo Alto, CA1619364908
  9. Therese Abboud, M.D.Coronado, CA1003112913
  10. Mohammed Abdel Rahim, M.B.CH.BNewport Beach, CA1255520854

Common questions

What is Ronald Emil Lazar, M.D.'s NPI number?

Ronald Emil Lazar, M.D.'s National Provider Identifier (NPI) is 1255429874, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Emil Lazar, M.D. located?

The NPPES record lists a practice address at 3660 Arlington Ave, Riverside, CA, 92506. Phone: (951) 782-5110. Providers update this record themselves, so call before visiting.

How can I verify Ronald Emil Lazar, M.D.'s license?

NPPES lists California license number G73606, 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.