2025 Tax Preparation for San Diego and La Jolla Individuals, High-Income Earners, Physicians, Businesses & Private Practices
- Natalie C. Papagni, CPA

- Dec 1, 2025
- 4 min read
Updated: Dec 27, 2025

2025 Tax Preparation for San Diego and La Jolla individuals, high-Income earners, physicians and healthcare professionals, business owners, businesses and private practices is significant, as 2025 is the first-year individual, business and trust tax returns will be filed following the 2025 OBBBA tax bill, evolving California requirements, increased IRS and FTB scrutiny, and the growing complexity of income sources.
In our work with professionals and closely held businesses in La Jolla, San Diego, and throughout Southern California, we consistently see that sophisticated taxpayers do not struggle because they lack information—they struggle because their financial lives are multidimensional - any most are working with tax professionals lacking the experience and expertise to handle the tax complexity of their evolving net worth.
Individual Tax Preparation for High-Income Earners
High-income individuals—particularly physicians and senior professionals—often assume their tax returns are straightforward because income is earned through employment. In practice, this is rarely the case.
Common complexities include:
Professional compensation, incentive bonus and equity awards and deferred income, income from side 1099 activities, pass-through businesses and/or private practices and or trust income
Investment portfolios with complex investments K-1s and cost-basis reporting
Real estate rentals and real estate transactions
AMT, NIIT and additional Medicare tax for high-income earners
CA PTET tax
Life events such as marriage, divorce, relocation, or real estate transactions
🔍 “High Income” Changes the Rules Once income reaches certain levels, thresholds and limitations—not tax brackets alone—drive outcomes. Returns that appear simple on the surface often contain hidden exposure without careful review.
For high-income individuals, accurate tax preparation requires judgment, verification, and context and the capturing of all deductions, credits and tax savings opportunities planned for, earned and deserved.
Physicians and Healthcare Professionals: Unique Tax Considerations
Physicians and healthcare professionals face a distinct set of challenges. Compensation structures, productivity incentives, call pay, and outside income often interact in ways that materially affect tax outcomes.
In addition to personal income, many physicians have:
Ownership interests in practices, surgery centers, or real estate
Retirement plans layered across hospital and private entities
Side ventures, consulting income, or locum tenens work
Trusts or family entities requiring coordination
🩺 Physician Tax Preparation Is Not Generic Medical professionals often have multiple income streams crossing employment, business, and investment categories. Proper tax preparation requires understanding how those pieces fit together—not reviewing them in silos.
Business Owners, Entrepreneurs, and Private Practices
For business owners and private practices, tax preparation is inseparable from the entity itself. S corporations, partnerships, LLCs, and professional corporations flow income directly to owners, making alignment critical.
Key areas requiring precision include:
Passthrough income and Schedule K-1 accuracy
Reasonable compensation and payroll compliance
Depreciation, amortization, and asset reporting
California-specific filings and payments
Estimated taxes and prior-year carryforwards
Even small errors at the entity level can cascade into significant issues on the owner’s individual return.
🏢 Profitable Years Can Still Be Inefficient Strong business performance does not guarantee tax efficiency. Without coordination, additional income can increase tax exposure in ways that are not immediately obvious.
Trust and Fiduciary Tax Preparation
Many high-income families also have trusts as part of their financial structure. Trust tax preparation requires a higher level of technical precision and attention to detail.
Common considerations include:
Form 1041 fiduciary income tax returns
Allocation of income between trust and beneficiaries
Accurate beneficiary Schedule K-1 reporting
Coordination with individual beneficiary returns
Federal and California fiduciary compliance
Because trusts are subject to compressed tax brackets, income reaches top tax rates far more quickly than individual income.
⚖️ Call-Out: Trust Errors Are Costly Even modest trust income can be taxed at the highest marginal rates. Small reporting errors can produce outsized consequences if not handled carefully.
Common Issues We See in 2025 Tax Preparation
Across high-income individual, business, and trust returns, several issues arise repeatedly:
Incorrect K-1 reporting between entities and owners
Errors in classifying income streams
Missing or incomplete tax forms
Missing or incorrect itemized deduction and or tax credit calculations
Missing or incorrect capital gains, stock option and AMT calculations
Missing or incorrect QBI and or PTET calculations
Missing or incorrect reporting for rentals, 103 exchanges and installment sales
Trust distributions misreported by beneficiaries
Estimated tax payments misapplied or omitted
California credits and carryforwards not properly tracked
These issues are rarely the result of negligence. More often, they stem from fragmented preparation across multiple providers or high-volume tax preparers with little attention to details and accuracy.
Why Integrated Tax Preparation Matters
One of the most important differentiators in high-income tax preparation is integration. When individual, business, and trust returns are prepared independently, gaps form.
Integrated preparation:
Reduces inconsistencies across filings
Lowers audit and notice risk
Identifies issues before returns are filed
Provides clarity rather than surprises
🧭 A Tax Return Is Part of a System Each return affects another. Integrated preparation ensures decisions made in one area do not create unintended consequences elsewhere.
What High-Income Clients Should Expect
Professional tax preparation for sophisticated clients is deliberate and methodical. It includes:
Thoughtful document intake and review
Clarifying questions before filing—not after
Verification of prior-year data and carryforwards
Alignment between federal and California returns
Clear communication throughout the process
This approach protects not only accuracy—but peace of mind.
The Takeaway
For 2025, tax preparation for high-income individuals, physicians, healthcare professionals, and business owners requires experience, precision, and coordination.
At Natalie C. Papagni, CPA – Tax, Planning and Advisory Services, we provide integrated tax preparation for individuals, businesses, and trusts—designed for upwardly mobile clients and clients with complex financial lives who value clarity, accuracy, precision and time and cost efficiency. How can we help? Le get our conversation started today.
About us
Natalie C. Papagni, CPA – Tax, Planning and Advisory Services
provides tax, planning and advisory services to individuals and high-income earners, physicians and healthcare professionals, business owners - entrepreneurs and new and existing businesses and private practices serious about saving taxes and minimizing multi-year tax liabilities, filing accurate and efficient tax returns, transforming financial complexity into clarity, planning for their financial future and achieving what matters most.
Natalie C. Papagni, CPA
Tax, Planning and Advisory Services
4727 Executive Drive Suite 300
San Diego, CA 92121
858.754.8277
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