Jaime Alonso Diaz, M.D.
Emergency Medicine Physician · Sherman Oaks, CA
Jaime Alonso Diaz, M.D. is an emergency medicine physician with a practice address in Sherman Oaks, California, and NPI 1790727949, issued on Jun 12, 2006. Check the license (California A88200, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jaime Alonso Diaz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A88200 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4929 Van Nuys Blvd, Sherman Oaks, CA 91403
- Phone
- (818) 907-4570
- Enumerated
- Jun 12, 2006
- Record last updated
- Jun 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (818) 907-2814
- Medicaid ID
- 00A882000 CA
- Medicare enrollment
- Enrolled (PECOS I20060114000075); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 4929 Van Nuys Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Agulnek, M.D.Diagnostic Ultrasound Physician1780701045
- John Anis, M.D.Emergency Medicine Physician1548208978
- Gayane Bakharyan, ACSWClinical Social Worker1114884772
- Brett Bartels, MDEmergency Medicine Physician1801214507
- Ronald Bataclan, NPAcute Care Nurse Practitioner1134753445
- Scott Bickman, M.D.Anesthesiology Physician1477690360
Verify Jaime Alonso Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.0 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,352 Medicare Part D claims for 848 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Azithromycin171 claims
- Naproxen86 claims
- Cephalexin81 claims
- Ciprofloxacin Hcl75 claims
- Amoxicillin59 claims
- Amoxicillin-Clavulanate Potass44 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): 76.3 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).
Bills Medicare through one group practice
- Pih Health PhysiciansWhittier, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jaime Alonso Diaz among 7,751 emergency medicine physician records in California
Jaime Alonso Diaz, M.D. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2002 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 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.
All 7,751 in California → Every provider in Sherman Oaks → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Anis, M.D.Sherman Oaks, CA 914031548208978
- Brett Bartels, MDSherman Oaks, CA 914031801214507
- Danny Chang, M.D.Sherman Oaks, CA 914031215981048
- David Friend, M.D.Sherman Oaks, CA 914031164461752
- Jim Lai, M.D.Sherman Oaks, CA 914031366485757
- Thomas Reilly, MDSherman Oaks, CA 914031265475115
- Wissam RhayemSherman Oaks, CA 914031568880136
- Dallas Smith, M.D.Sherman Oaks, CA 914031326080565
Common questions
What is Jaime Alonso Diaz, M.D.'s NPI number?
Jaime Alonso Diaz, M.D.'s National Provider Identifier (NPI) is 1790727949, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jaime Alonso Diaz, M.D. located?
The NPPES record lists a practice address at 4929 Van Nuys Blvd, Sherman Oaks, CA, 91403. Phone: (818) 907-4570. Providers update this record themselves, so call before visiting.
How can I verify Jaime Alonso Diaz, M.D.'s license?
NPPES lists California license number A88200, 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 Jaime Alonso Diaz, M.D. prescribe under Medicare Part D?
In 2024, Jaime Alonso Diaz, M.D. had 1,352 Medicare Part D claims for 848 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Jaime Alonso Diaz, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.3 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.