Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Geoffrey Trenkle DO a Professional Medical Corporation

Organization Otolaryngology Physician · NPI 1992124978

Geoffrey Trenkle DO a Professional Medical Corporation is an Otolaryngology Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014

Practice location Address checks out

1700 E Cesar E Chavez Ave Ste 2500
Los Angeles, CA 90033-2434
Phone: (909) 569-9097
Fax: (323) 268-6738
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 20A13166 (CA)

Record details

NPI number1992124978
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Geoffrey Trenkle — Owner · (909) 553-3445
Other names Los Angeles Center For Ear Nose Throat And Allergy; Los Angeles Center For Ear Nose Throat And Allergy
NPI enumeratedApril 7, 2014
Last updated in NPPESOctober 30, 2019
Mailing address1700 E Cesar E Chavez Ave Ste 2500, Los Angeles, CA 90033-2434

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