Oscar E. Alonzo, DDS
Oral and Maxillofacial Surgery (Dentist) · Los Angeles, CA
Oscar E. Alonzo, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Los Angeles, California, and NPI 1598897779, issued on Mar 12, 2007. Check the license (California 41155, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Oscar E. Alonzo
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 41155 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12021 Wilmington Ave, Los Angeles, CA 90059
- Phone
- (310) 668-4515
- Enumerated
- Mar 12, 2007
- Record last updated
- Feb 12, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (310) 763-8909
- Entity
- Type 1 · individual
Also registered at 12021 Wilmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Virginia Adewole, MDInternal Medicine Physician1639512239
- Sebhat Afework, MDObstetrics & Gynecology Physician1891821666
- Chioma AguPsychiatric/Mental Health Nurse Practitioner1932683240
- Jonathan AlanizPsychiatry Physician1770163040
- David AlvarezDay Training/Habilitation Specialist1902791429
- Adaure Amuzie, MDGeneral Practice Physician1932896727
Verify Oscar E. Alonzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41155Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Oral and Maxillofacial Surgery (Dentist) providers in California
There are 987 oral and maxillofacial surgery (dentist) records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other oral and maxillofacial surgery (dentist) records in California
- Allan AbayevLoma Linda, CA1992649479
- Hooman Adamous, DMDBellflower, CA1497917439
- David Adams, DDSFresno, CA1831282755
- Arman Afifi, D.D.S., M.D.Cupertino, CA1528494598
- Payam Afzali, DDS, MDLos Angeles, CA1326350851
- Jacob Agatstein, D.M.D.Torrance, CA1932410842
- Jasmine Aghajani, DDSBeverly Hills, CA1871966622
- Virginia AgustinLa Puente, CA1376726315
- David Ahn, DMDSan Francisco, CA1265865216
- Junil Ahn, D.D.S.,M.D.Aliso Viejo, CA1992829949
Common questions
What is Oscar E. Alonzo, DDS's NPI number?
Oscar E. Alonzo, DDS's National Provider Identifier (NPI) is 1598897779, issued on Mar 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Oscar E. Alonzo, DDS located?
The NPPES record lists a practice address at 12021 Wilmington Ave, Los Angeles, CA, 90059. Phone: (310) 668-4515. Providers update this record themselves, so call before visiting.
How can I verify Oscar E. Alonzo, DDS's license?
NPPES lists California license number 41155, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.