Onyx Tax Medical

Expert CPA for Physicians

Why Us?

Practicing Medicine is stressful. Our goal is to remove unnecessary stressors from our clients’ lives. We do this by handling all internal accounting and tax matters so that our clients can focus on their patients’ health, as well as their own.

Brian has worked as a CPA for almost 20 years. Prior to starting his own firm, he worked as a tax manager in public accounting and as the CFO of a tax litigation law firm. Both his father and sister are physicians, so he promises not to ask off-the-cuff medical questions that he learned from a Google search.






We record and reconcile all bank transactions to produce accurate monthly financial statements. We run payroll using Gusto and file quarterly returns (Form 941).


We use financial statements to produce quarterly personal income tax projections for the owners and advise on paying the proper estimates to avoid IRS penalties.


We prepare both corporate (usually S-Corp 1120S) and personal (1040), as well as any required state returns. This is done seamlessly since we also handle bookkeeping.


We aim to minimize taxes and audit risk simultaneously. Many audits are done at random but if this happens, you will be in good hands. We have experience with the IRS that most CPA firms do not.


Our fees are monthly subscription charges as follows:

Basic: $500-$1,000 per month

  • Low levels of complexity
  • 0-3 Employees
  • Business and Personal Year-End Tax Returns
  • Quarterly Tax Projections
  • Bookkeeping and Financial Statements
Premium: $1,000-$1,500
  • Services Included in Basic
  • Mid Level Complexity
  • 3-10 Employees
  • Increased Bookkeeping Transactions
Pro: $1,500-$4,000
  • Services included in Basic
  • High Level Complexity
  • 10+ Employees
  • High Tax Planning Complexity
  • CFO Guidance

We work with physicians who own their own practice, physicians that earn 1099 income, physicians receiving k-1s, and locum tenens doctors.

We use the most up to date technology to store and share data safely on a cloud server. We communicate with our clients face to face using Teams or Zoom. 

Most likely yes, which can save you a bunch of taxes by avoiding a large amount of self-employment tax. We will discuss this on our initial call.

Schedule an initial meeting and we’ll talk through your needs.

Our Contact Details

Telephone: (843) 990-8290

Email: onyxtax@gmail.com

Opening Hours: M-F 8:00-5:00

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