WHO WE SERVE · MEDICAL & PROFESSIONAL PRACTICES
Accounting and tax for Diamond Bar medical and professional practices
Keep practice and owner tax preparation connected to current books. Brent Tucker, CPA, handles monthly accounting and coordinated returns for Diamond Bar medical and professional practices in California.
Sound familiar?
More owners, more entities, more returns.
As a practice adds partners or separate entities, the filings multiply. The practice’s returns are coordinated with each owner’s return.
You need a clearer view of how the practice is performing.
Monthly statements show what comes in, what it costs to run the practice, and what remains — explained in plain terms.
A major decision is on the horizon.
A new provider, new equipment, a second location. Talk it through with Brent before you commit, with the tax consequences in view.
Your situation isn’t on this list? Tell us about it — every engagement starts with a conversation.
How we help.
Monthly accounting
Current books and financial statements.
Business and owner returns
Prepared together.
Services and starting prices.
- 01
Accounting + Tax + Planning
From $900/moMonthly accounting and reporting, business and owner tax returns, proactive tax planning and year-round CPA access.
Founding Client Rate: $825/month for your first 12 months when you engage by March 31, 2027. Terms
- 02
Monthly Accounting
From $400/moTransaction categorization, account reconciliations, financial statements and regular accounting support.
- 03
Tax Preparation
From $300Individual returns (federal and one state) from $300; business returns from $750.
Starting prices. Your scope and price are agreed in writing before work begins.
Work directly with Brent.
Licensed CPA · 10+ years in public accounting · Member, AICPA and MICPA
Brent has served medical and professional-services clients throughout his career, at a boutique firm and at a large national accounting and advisory firm.
Brent Tucker is a CPA licensed in Michigan and serves clients in other states under applicable CPA mobility provisions.
More about BrentDiamond Bar at a glance
56
physician offices with paid employees in the ZIP code 91765 that serve Diamond Bar
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023
24.6
physician offices per 10,000 tax returns filed in its ZIP codes
Source: derived by Tucker from Census ZIP Code Business Patterns 2023 and IRS Statistics of Income ZIP code data, tax year 2022
Tax offices for Diamond Bar medical practices
City of Diamond Bar Planning Division (Business Licenses)
City business tax and licenses.
21810 Copley Drive, Diamond Bar, CA 91765
Phone (909) 839-7030
Los Angeles County Treasurer and Tax Collector (Secured Property Tax)
County property tax collection.
225 North Hill Street, First Floor Lobby, Los Angeles, CA 90012
Phone (213) 974-2111
California Franchise Tax Board (income tax)
State tax and revenue agency.
Phone 800-852-5711
IRS Taxpayer Assistance Center - El Monte
Federal tax help in person.
9350 East Flair Dr., El Monte, CA 91731
Phone (626) 927-1201
Brent keeps the practice's books and prepares the business and owner returns. Tucker CPA estimates 24.6 physician offices per 10,000 tax returns filed in the ZIP code that serves Diamond Bar.
Four offices are listed on this page for Diamond Bar medical and professional practices.
The City of Diamond Bar Planning Division (Business Licenses) is the city office, and the Los Angeles County Treasurer and Tax Collector (Secured Property Tax) collects property tax.
The California Franchise Tax Board (income tax) is the state office, and the IRS Taxpayer Assistance Center - El Monte is the federal one.
Source: each office's official website, checked October 16, 2026.
GET STARTED
Let's talk about your numbers.
Tell us a little about your business or situation, and Brent will reply personally. No office visit needed — meetings are by phone or video, wherever you’re based.
Call 888-762-4370 · Email brent@brenttuckercpa.com · Prefer to pick a time? Book a consultation online