NPPES file of Aug 9, 2026

Caleb Lou

Emergency Medicine Physician · Temecula, CA

Caleb Lou is an emergency medicine physician with a practice address in Temecula, California, and NPI 1144703406, issued on Sep 12, 2018. Check the license (California A189524, 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
1144703406
Name
Caleb Lou
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
A189524 CA
Self-reported in NPPES; status is on the state search
Practice location
31700 Temecula Pkwy Ste 1, Temecula, CA 92592
Phone
(951) 331-2535
Enumerated
Sep 12, 2018
Record last updated
Jun 30, 2025
Medicare enrollment
Enrolled (PECOS I20240801002959); accepts Medicare assignment
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 31700 Temecula Pkwy Ste 1

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

  1. Aditya AgrawalEmergency Medicine Physician1174109797
  2. Katelyn Bachand, DOStudent in an Organized Health Care Education/Training Program1912750613
  3. Taylor Bashara, MDEmergency Medicine Physician1447990734
  4. Brandyn Bobb, MDEmergency Medical Services (Emergency Medicine) Physician1427635556
  5. Abigail Chamberlain, DOFamily Medicine Physician1629822507
  6. Brian Dykstra, MDStudent in an Organized Health Care Education/Training Program1326892910

Verify Caleb Lou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A189524
    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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41% fewer Medicare Part D claims than the average emergency medicine physician in 2024

133 Medicare Part D claims for 107 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Caleb Lou133
  2. Specialty average226

Most prescribed

  1. Cephalexin15 claims
  2. Amoxicillin-Clavulanate Potass14 claims
  3. Ondansetron Hcl11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Anaheim Emergency Medical GroupAnaheim, CA
  2. EM Alliance California ApcWildomar, CA

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

Caleb Lou among 7,751 emergency medicine physician records in California

Caleb Lou 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 2018, is newer than 81% of them.

  • NPI issued2018 · 81% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2011 among the 4,560 with a school on file
  • Record last updated2025 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Aditya AgrawalTemecula, CA 925921174109797
  2. Jailyn Avila, M.D.Temecula, CA 925921740549419
  3. Nagehan Ayakta, MDTemecula, CA 925921063091767
  4. Taylor Bashara, MDTemecula, CA 925921447990734
  5. Philine Endres-Shafer, MDTemecula, CA 925921033691456
  6. Taylor Fernberg, MDTemecula, CA 925921548910334
  7. Ryan Itoh, MDTemecula, CA 925921962089573
  8. Macey JohnsonTemecula, CA 925921902487440

Common questions

What is Caleb Lou's NPI number?

Caleb Lou's National Provider Identifier (NPI) is 1144703406, issued on Sep 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Caleb Lou located?

The NPPES record lists a practice address at 31700 Temecula Pkwy Ste 1, Temecula, CA, 92592. Phone: (951) 331-2535. Providers update this record themselves, so call before visiting.

How can I verify Caleb Lou's license?

NPPES lists California license number A189524, 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.

How much does Caleb Lou prescribe under Medicare Part D?

In 2024, Caleb Lou had 133 Medicare Part D claims for 107 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.