Registry data as of Aug 27, 2026

Hassan Haidar, D.D.S.

Oral and Maxillofacial Surgery (Dentist) · Los Angeles, CA

Hassan Haidar, D.D.S. is an oral and maxillofacial surgery (dentist) with a practice address in Los Angeles, California, and NPI 1285026492, issued on Feb 25, 2015. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1285026492
Name
Hassan Haidar
Credential
D.D.S.
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
Practice location
1100 N State St, Los Angeles, CA 90033
Phone
(323) 409-6931
Enumerated
Feb 25, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1100 N State St

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

  1. Eduardo Aceves, RNRegistered Nurse1841716305
  2. Ryan AcunaAmbulatory Care Registered Nurse1932692191
  3. Mahal AguirreAmbulatory Care Registered Nurse1508387952
  4. Ramsey Alhosri, MDAnatomic Pathology & Clinical Pathology Physician1447833371
  5. Helen AlvaAmbulatory Care Registered Nurse1295257541
  6. Luisa AlvarezSocial Worker1902328602

Verify Hassan Haidar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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
Find 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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

37% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

258 Medicare Part D claims for 132 beneficiaries, against an average of 407 among the 5,229 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Hassan Haidar258
  2. Specialty average407

Most prescribed

  1. Amoxicillin115 claims
  2. Ibuprofen113 claims
  3. Chlorhexidine Gluconate11 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.

Oral and Maxillofacial Surgery (Dentist) providers in California

There are 866 oral and maxillofacial surgery (dentist) records in California.

Other oral and maxillofacial surgery (dentist) records in California

  1. Allan AbayevLoma Linda, CA1992649479
  2. Hooman Adamous, DMDBellflower, CA1497917439
  3. David Adams, DDSFresno, CA1831282755
  4. Arman Afifi, D.D.S., M.D.Cupertino, CA1528494598
  5. Payam Afzali, DDS, MDLos Angeles, CA1326350851
  6. Jacob Agatstein, D.M.D.Torrance, CA1932410842
  7. Tara Aghaloo, DDS, MD, PHDLos Angeles, CA1740464692
  8. Arsalan Ahani, D.D.S, M.D.San Mateo, CA1215035696
  9. Fay Ahmadpour, DDSSan Diego, CA1528143690
  10. David Ahn, DMDSan Francisco, CA1265865216

Common questions

What is Hassan Haidar, D.D.S.'s NPI number?

Hassan Haidar, D.D.S.'s National Provider Identifier (NPI) is 1285026492, issued on Feb 25, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Hassan Haidar, D.D.S. located?

The NPPES record lists a practice address at 1100 N State St, Los Angeles, CA, 90033. Phone: (323) 409-6931. Providers update this record themselves, so call before visiting.

How can I verify Hassan Haidar, D.D.S.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Hassan Haidar, D.D.S. prescribe under Medicare Part D?

In 2024, Hassan Haidar, D.D.S. had 258 Medicare Part D claims for 132 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 407. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.