CHME Leadership

Staff

Bernie Zimmer, Founder

Founded CHME in 2003
35+ year veteran of the HME industry who has witnessed, firsthand, the seismic changes in the industry and developed a successful business strategy navigating the challenges of managed care as well as staying relevant as a Medicare supplier in a post-competitive bidding world
Bernie started his first DME Company in 1982 and sold it to a large Home Health Provider in 1995.

Alan Oiwa, COO

Joined CHME at its founding in 2003 and oversees all operational functions at CHME
25+ years of DME industry experience working in operations, billing, customer service and logistics positions for local, regional and national companies
Prior to joining CHME, Alan worked as a regional manager for MHCS Inc. and as an area manager for Crest Medical, NMC Homecare and Lincare.

Jan Demuth, Director of Rehab

Joined CHME in 2006 and oversees its operating systems to ensure compliance with documentation requirements and accurate reimbursement as well as acting as the liaison to all revenue cycle management partners
10+ years of experience in the DME industry
Prior to joining CHME, Jan worked as an Operations Manager for Grandmar, Inc., a custom rehab provider in the East Bay.

Theresa Chase, Office Manager/HR

Federico Cadiz, Controller

Joined CHME in 2020 and oversees all of its financial reporting and accounting functions
20+ years of experience in Accounting and Finance including 10+ years in Health Care industry
Prior to joining CHME, Rico worked for Stanford University managing its Capital Accounting/Capital Projects team
In his spare time, you can find him playing basketball, jogging and spending time with his family

Oleg Beleaev, Senior Data Analyst

Joined CHME in 2014 and provides extensive IT support, ETL, data management and new projects development
9+ years of experience in the IT industry
Prior to joining CHME, Oleg worked for the Italian brand CAVIO, Inc., in the IT department as a main .Net developer.