Michelle El-Hajjaoui, DO
Hematology & Oncology Physician · West Covina, CA
Michelle El-Hajjaoui, DO is a hematology & oncology physician with a practice address in West Covina, California, and NPI 1184010662, issued on Apr 10, 2015. Check the license (California 20A15250, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle El-Hajjaoui
- Credential
- DO
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 20A15250 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1115 S Sunset Ave Ste 200, West Covina, CA 91790
- Phone
- (626) 732-8390
- Enumerated
- Apr 10, 2015
- Record last updated
- Feb 10, 2024
- Fax
- (626) 631-0951
- Medicare enrollment
- Enrolled (PECOS I20220610002402); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 1115 S Sunset Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vivere CastroFamily Nurse Practitioner1154087641
- Fu-Cheng Chuang, M.D.Internal Medicine Physician1063779544
- Sheila De Jesus-Maranan, FNPFamily Nurse Practitioner1336631407
- Luis Garcia AyalaFamily Medicine Physician1750867255
- Kathryn Johnson, PA-CPhysician Assistant1982074548
Verify Michelle El-Hajjaoui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15250Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
631 Medicare Part D claims for 112 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Eliquis87 claims
- Omeprazole34 claims
- Ondansetron Odt28 claims
- Letrozole27 claims
- Pantoprazole Sodium26 claims
- Prednisone24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $792.54
35 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Emanate Health Medical Care FoundationWest Covina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle El-Hajjaoui among 1,583 hematology & oncology physician records in California
Michelle El-Hajjaoui, DO is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.
- NPI issued2015 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2015 · median 2003 among the 1,124 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in West Covina → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Lydia Chow, M.D.West Covina, CA 917901770087314
- Subhash Dhand, M.D.West Covina, CA 917901497930903
- Phyllis Klein, M.D.West Covina, CA 917901932166519
- Brian Leberthon, M.D.West Covina, CA 917901326023979
- Cary Presant, M.D.West Covina, CA 917901538109517
- Camille Adeimy, MDUpland, CA 917861477785160
- Mark Chang, DOUpland, CA 917861861954182
- Natasha GargUpland, CA 917861831458835
Common questions
What is Michelle El-Hajjaoui, DO's NPI number?
Michelle El-Hajjaoui, DO's National Provider Identifier (NPI) is 1184010662, issued on Apr 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michelle El-Hajjaoui, DO located?
The NPPES record lists a practice address at 1115 S Sunset Ave Ste 200, West Covina, CA, 91790. Phone: (626) 732-8390. Providers update this record themselves, so call before visiting.
How can I verify Michelle El-Hajjaoui, DO's license?
NPPES lists California license number 20A15250, 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 Michelle El-Hajjaoui, DO prescribe under Medicare Part D?
In 2024, Michelle El-Hajjaoui, DO had 631 Medicare Part D claims for 112 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Michelle El-Hajjaoui, DO's MIPS final score?
The 2023 MIPS final score is 99.1 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.