Geoffrey B. Trenkle, DO

For accommodations of persons with special needs at meetings, call 844-590-1757 (TTY 711).

UCLA Health Medicare Advantage Plan (HMO) has a contract with Medicare and enrollment in the plan depends on contract renewal. UCLA Health Medicare Advantage Plan includes Part D drug coverage. To enroll in UCLA Health Medicare Advantage Plan, you must have both Medicare Parts A and B and reside in the plan service area, Los Angeles County. In addition to your monthly plan premium, you must continue to pay your Medicare Part B premium.

Please contact Member Services at 1-833-627-8252 (833-MAP-UCLA) (TTY 711) for additional information. Hours are 8am - 8pm PT, Monday - Friday, April 1 through September 30, except on all federal holidays. Hours are 8am - 8pm PT, 7 days a week, October 1 through March 31, except Thanksgiving Day and Christmas Day.

Members enrolled in UCLA Health Medicare Advantage Plan (HMO) must use plan providers except in emergency or urgent care situations. If a member obtains care from an out-of-network provider without prior approval from UCLA Health Medicare Advantage Plan, neither Medicare nor UCLA Health Medicare Advantage Plan will be responsible for the costs. Please call our customer service number or see your Evidence of Coverage for more information, including the cost-sharing that applies to out-of-network services.

Every year, Medicare evaluates plans based on a 5-star rating system. Star ratings may vary by contract or market. For plan year 2025, UCLA Health Medicare Advantage Plan’s H4647 (HMO) contract is too new to be measured for a Star rating.

(Smart Benefits Card) &more Benefits Prepaid Mastercard® is issued by Avidia Bank, pursuant to a license from Mastercard Inc. Use of this card is subject to the terms and conditions of the Cardholder Agreement.

Uber does not require the Uber app and the number of allowable rides varies by plan. Uber and Uber Health brand names, product names, and/or trademarks belong to their respective holders.

Delta Dental, RxDiet, SilverSneakers, and TruHearing brand names, product names, or trademarks belong to their respective holders. The marks and logos of Teladoc Health are wholly owned subsidiaries and trademarks of Teladoc Health, Inc.

5757 W. Century Boulevard, Suite 200
Los Angeles, CA 90045

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Last Updated on 01/07/2026

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Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

Geoffrey Trenkle Do A Professional Medical Corporation

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Los Angeles Center For Ear Nose Throat And Allergy

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