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People angle Tammy Johnson

Tammy Johnson

Manager, Tax Services


As Tax Services Manager, Tammy brings over 23 years of public accounting experience. She specializes in working with individuals, partnerships, corporations and closely held businesses. With a strong emphasis on “flow through entity” structures, her focus is on the interplay between company and individual. Tammy strives to minimize overall taxes and maximize the after-tax profits for affiliated groups and their owners.

Prior to joining Mueller Prost, she worked for large CPA firms including Squar Milner & Williamson and most recently Onisko & Scholz, LLP.

Tammy also has an extensive background in estates, trusts and probate court accountings, having developed and managed an estate and trust department at Onisko & Scholz, LLP.


  • Bachelor of Science in Business Administration, University of Nevada-Las Vegas
  • Certified Public Accountant (CPA) – California