NPPES file of Aug 9, 2026

Richard Joseph Kozak, M.D.

Emergency Medicine Physician · Mission Viejo, CA

Richard Joseph Kozak, M.D. is an emergency medicine physician with a practice address in Mission Viejo, California, and NPI 1457380107, issued on Jul 2, 2006. Check the license (California G75758, 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
1457380107
Name
Richard Joseph Kozak
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
G75758 CA
Self-reported in NPPES; status is on the state search
Practice location
27700 Medical Center RD, Mission Viejo, CA 92691
Phone
(949) 309-8434
Enumerated
Jul 2, 2006
Record last updated
Jan 25, 2022
Medicaid ID
00G757580 CA
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 emergency medicine physician records → All 7,751 in California → Look up another NPI →

Also registered at 27700 Medical Center RD

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

  1. Ali Al-HilfiPharmacist1427948769
  2. Mehdi Amiri, PHARM. D.Pharmacist1528586799
  3. Ivan Babin, M.D.Vascular & Interventional Radiology Physician1134461486
  4. Danniella BermanPhysician Assistant1740849363
  5. Michael Blumenfeld, M.D.Anatomic Pathology & Clinical Pathology Physician1578679882
  6. Emily Brady, MD, MPHAnesthesiology Physician1801107669

Verify Richard Joseph Kozak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G75758    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: $43,904.00

11 payments; by number, the most common kind was consulting fee; the largest payer was Ceribell, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Richard Kozak$43,904
  2. Specialty average$954

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

Richard Joseph Kozak among 7,751 emergency medicine physician records in California

Richard Joseph Kozak, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

All 7,751 in California → Every provider in Mission Viejo → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mohammad Al-Sayyad, MDMission Viejo, CA 926911538109418
  2. Jon Cline, M.D.Mission Viejo, CA 926911679505622
  3. Peter Czuleger, M.D.Mission Viejo, CA 926911043265580
  4. Ramon Johnson, M.D.Mission Viejo, CA 926911861426629
  5. Matthew Kaplan, M.D.Mission Viejo, CA 926911518991322
  6. James Keany, M.D.Mission Viejo, CA 926911598799330
  7. Gregory Lampe, M.D.Mission Viejo, CA 926911902839863
  8. Andrew Lawson, M.D.Mission Viejo, CA 926911750314621

Common questions

What is Richard Joseph Kozak, M.D.'s NPI number?

Richard Joseph Kozak, M.D.'s National Provider Identifier (NPI) is 1457380107, issued on Jul 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Richard Joseph Kozak, M.D. located?

The NPPES record lists a practice address at 27700 Medical Center RD, Mission Viejo, CA, 92691. Phone: (949) 309-8434. Providers update this record themselves, so call before visiting.

How can I verify Richard Joseph Kozak, M.D.'s license?

NPPES lists California license number G75758, 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.