Ziad R. El-Hajjaoui, M.D.
Internal Medicine Physician · Hesperia, CA
Ziad R. El-Hajjaoui, M.D. is an internal medicine physician with a practice address in Hesperia, California, and NPI 1376543785, issued on Jul 28, 2005. Check the license (California A48751, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ziad R. El-Hajjaoui
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A48751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17095 Main St, Hesperia, CA 92345
- Phone
- (760) 948-6606
- Enumerated
- Jul 28, 2005
- Record last updated
- Oct 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (760) 951-1609
- Medicaid ID
- 00A487510 CA
- Medicare enrollment
- Enrolled (PECOS I20081210000231); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 17095 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Christiansen, PTPhysical Therapist1750543427
- Asefeh Faraz, NPNurse Practitioner1447402516
- Martha Garcia, PA-CPhysician Assistant1487604427
- Raul Gener, M.D.Family Medicine Physician1558389668
- Artin Gevorkian, MDFamily Medicine Physician1578530291
- David Gutierrez, M.D.Family Medicine Physician1780684910
Verify Ziad R. El-Hajjaoui in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,993 Medicare Part D claims for 297 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 39 claims were for opioids.
Most prescribed
- Atorvastatin Calcium168 claims
- Amlodipine Besylate139 claims
- Levothyroxine Sodium128 claims
- Metformin Hcl108 claims
- Lisinopril93 claims
- Metoprolol Succinate92 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.
Industry payments in 2024: $16.56
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Providence Medical FoundationHesperia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ziad R. El-Hajjaoui among 17,696 internal medicine physician records in California
Ziad R. El-Hajjaoui, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1984 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Hesperia
They are 9 of the 836 NPPES records with a practice address in Hesperia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Hesperia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jacqueline HernandezHesperia, CA 923451871293779
- Ruby Jhaj, M.D.Hesperia, CA 923451962841940
- Rita Miranda, M.D.Hesperia, CA 923451437357258
- Anastacia Rodriguez, DOHesperia, CA 923451467985259
- Arvind Salwan, M.D.Hesperia, CA 923451437230190
- Tetris Ylizah Tan, MDHesperia, CA 923451104506005
- Michael Whitmore, D.O.Hesperia, CA 923451508307927
- Dustin Wong, DOHesperia, CA 923451255587549
Common questions
What is Ziad R. El-Hajjaoui, M.D.'s NPI number?
Ziad R. El-Hajjaoui, M.D.'s National Provider Identifier (NPI) is 1376543785, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ziad R. El-Hajjaoui, M.D. located?
The NPPES record lists a practice address at 17095 Main St, Hesperia, CA, 92345. Phone: (760) 948-6606. Providers update this record themselves, so call before visiting.
How can I verify Ziad R. El-Hajjaoui, M.D.'s license?
NPPES lists California license number A48751, 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 Ziad R. El-Hajjaoui, M.D. prescribe under Medicare Part D?
In 2024, Ziad R. El-Hajjaoui, M.D. had 2,993 Medicare Part D claims for 297 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.