HMWC CPAs and Business Advisors


Pam ChamberlainPamela J. Chamberlain, CPA

Pam Chamberlain is a partner and works in HMWC CPAs & Business Advisors’ division that specializes in serving dental practices, known as Wiederman & Chamberlain. The division’s services include accounting, tax compliance and planning, financial planning, and retirement planning.

Pam is generally responsible for all phases of an engagement, including: a thorough knowledge of the dentist and all facets of the dentist’s practice; managing the progress of the work; assuring that all phases of the engagement are being carried out properly with the highest standards; dealing directly with the dentist’s lenders, attorneys, brokers, taxing authority agents, and other third parties; interfacing with HMWC’s tax and other departments as necessary; and supervising the preparation of tax returns.

Within Wiederman & Chamberlain, Pam’s specialties include special projects such as: retirement planning, buyer’s due diligence, buy-in and buy-out calculations, practice start-ups, compensation plan development, operational evaluations, and other special financial and operational projects.

Pam has nearly 30 years of experience in serving dental practices.  She started working with Art Wiederman in 1988 as an accountant, earning her CPA license, and has worked alongside Art in helping dental clients with a full array of services.  She became a partner in 2014, when the firm was renamed Wiederman & Chamberlain.  In 2018, the firm was merged with HMWC and it became a division within HMWC serving dental practices.

Pam graduated from California State University, Long Beach with a degree in Accounting in 1987.

Professional & Community Involvement
Pam is a member of the Academy of Dental CPAs, which is an affiliation of twenty-six firms across the United States that specializes in working with dentists and manages over 7,000 dentists collectively. She attends bi-annual meetings with ADCPA members to participate in study groups and share dental industry knowledge. Pam is also a member of the American Institute of Certified Public Accountants and the California Society of Certified Public Accountants.

As an expert in dental practice accounting and financial management, Pam speaks at various symposiums and annual dental conventions.