NPPES file of Aug 9, 2026

Wesley E. Fleming, MD

Sleep Medicine (Internal Medicine) Physician · Irvine, CA

Wesley E. Fleming, MD is a sleep medicine (internal medicine) physician with a practice address in Irvine, California, and NPI 1205922945, issued on Oct 4, 2006. Check the license 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
1205922945
Name
Wesley E. Fleming
Credential
MD
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License number
MD00042347 WA
Self-reported in NPPES; status is on the state search
Practice location
4980 Barranca Pkwy, Irvine, CA 92604
Phone
(949) 679-5510
Enumerated
Oct 4, 2006
Record last updated
Jan 25, 2008 (not updated in 18 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050902000415); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
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 4980 Barranca Pkwy

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

  1. Bruce Albert, M.D.Sports Medicine (Orthopaedic Surgery) Physician1528041704
  2. Timothy Appleford, MSPTPhysical Therapist1124117502
  3. Tracy Arsenault, PA-CSurgical Physician Assistant1497056824
  4. Jon Brunelle, D.C.Chiropractor1811037393
  5. Vickie Ge, DDSGeneral Practice Dentistry1932211273
  6. Philippe Gendreau, D.D.S.General Practice Dentistry1730334954

Verify Wesley E. Fleming in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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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No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Bills Medicare through one group practice

  1. SD Diagnostics IncSan Diego, CA

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

Wesley E. Fleming among 129 sleep medicine (internal medicine) physician records in California

Wesley E. Fleming, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% 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, 71% newer
  • In a Medicare fileYes · 95% of these records are
  • In the CMS Doctors and Clinicians fileYes · 82% of these records are
  • Graduated1998 · median 2006 among the 106 with a school on file
  • Record last updated2008 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in California

There are 129 sleep medicine (internal medicine) physician records in California.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Rajanigandha Dhokarh, M.DWildomar, CA 925951144417130
  2. Sahil Chopra, MDIrvine, CA 926181245545326
  3. Stacey Gunn, M.D.Irvine, CA 926181710206503
  4. Delmer Henninger, MDMurrieta, CA 925631942394390
  5. Robert Lebby, MDAliso Viejo, CA 926561457344129
  6. Bruce Tammelin, M.D.Newport Beach, CA 926631942288709
  7. George Schiffman, M.D.Mission Viejo, CA 926911104803188
  8. Isaac Reinherz, MDRiverside, CA 925061396372215

Common questions

What is Wesley E. Fleming, MD's NPI number?

Wesley E. Fleming, MD's National Provider Identifier (NPI) is 1205922945, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Wesley E. Fleming, MD located?

The NPPES record lists a practice address at 4980 Barranca Pkwy, Irvine, CA, 92604. Phone: (949) 679-5510. Providers update this record themselves, so call before visiting.

How can I verify Wesley E. Fleming, MD's license?

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 Wesley E. Fleming, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.