NPPES file of Aug 9, 2026

Michelle Lori Meyer, M.D.

Anatomic Pathology & Clinical Pathology Physician · Riverside, CA

Michelle Lori Meyer, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Riverside, California, and NPI 1023276771, issued on May 29, 2008. Check the license (California G46676, 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 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023276771
Name
Michelle Lori Meyer
Credential
M.D.
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
G46676 CA
Self-reported in NPPES; status is on the state search
Practice location
4445 Magnolia Ave, Riverside, CA 92501
Phone
(951) 788-3243
Enumerated
May 29, 2008
Record last updated
May 29, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(951) 788-3633
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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Also registered at 4445 Magnolia Ave

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

  1. Joey Abadilla, MDStudent in an Organized Health Care Education/Training Program1093417818
  2. Rashed AbdelaalDiagnostic Radiology Physician1518726090
  3. Ahmed Abdelhalim, MDDiagnostic Radiology Physician1275162927
  4. Nirusha AbeydeeraStudent in an Organized Health Care Education/Training Program1295354454
  5. Alyssa Aboff, CRNA, DNPCertified Registered Nurse Anesthetist1760133292
  6. Brandon Abrajan, DOStudent in an Organized Health Care Education/Training Program1861141186

Verify Michelle Lori Meyer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G46676
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Michelle Lori Meyer among 1,554 anatomic pathology & clinical pathology physician records in California

Michelle Lori Meyer, M.D. is one of 1,554 anatomic pathology & clinical pathology physician records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 38% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 57% of these records are
  • Record last updated2008 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in California

There are 1,554 anatomic pathology & clinical pathology physician records in California.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Steven Aragon, MDRiverside, CA 925011982721320
  2. Kristina Cendrowski, MDRiverside, CA 925011518239441
  3. Ralph Korpman, M.D.Riverside, CA 925011548313273
  4. Darren Okada, M.D.Riverside, CA 925011134245921
  5. Joseph Tang, MDRiverside, CA 925031861609893
  6. Corina Kwan, D.O.Riverside, CA 925051154694354
  7. Mary Le, MDRiverside, CA 925051427242403
  8. Anh Phan, MDRiverside, CA 925051942372271

Common questions

What is Michelle Lori Meyer, M.D.'s NPI number?

Michelle Lori Meyer, M.D.'s National Provider Identifier (NPI) is 1023276771, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Lori Meyer, M.D. located?

The NPPES record lists a practice address at 4445 Magnolia Ave, Riverside, CA, 92501. Phone: (951) 788-3243. Providers update this record themselves, so call before visiting.

How can I verify Michelle Lori Meyer, M.D.'s license?

NPPES lists California license number G46676, 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.

What is Michelle Lori Meyer, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.