Oregon levies no statewide general sales tax — one of only five states where that is true. What it levies instead is the Corporate Activity Tax (CAT), on commercial activity sourced to Oregon, less a partial subtraction for cost inputs or labour, which catches out businesses who read "no sales tax" as "no filing".
Employer registration runs through the Oregon Employment Department, and the entity is registered with the Oregon Secretary of State. No sales tax, but the Corporate Activity Tax applies to commercial activity above a threshold and functions like a gross receipts tax.
We handle your practice’s financial records only — never patient health information.
At a glance
Sales tax authority
Oregon has no statewide general sales tax
Economic nexus
Not applicable
Filing cadence
Corporate Activity Tax filed quarterly and annually
Employer registration
Oregon Employment Department
Entity registration
Oregon Secretary of State
Registering to do business in Oregon
Registering to do business in Oregon runs through the Oregon Secretary of State and employer accounts through the Oregon Employment Department. Because Oregon has no sales tax account to maintain, there is one less registration to let lapse than in most states.
Entity-level obligations in Oregon
Beyond sales tax, Oregon levies the Corporate Activity Tax (CAT) on commercial activity sourced to Oregon, less a partial subtraction for cost inputs or labour, payable by the business. despite the name it is not limited to corporations. Registration is triggered at a lower level of activity than the tax itself, so a business can be required to register while owing nothing. The consequence for your books is direct: the cost-input subtraction means the books have to separate cost of goods and labour cleanly enough to compute it — a chart of accounts that lumps them into general expense makes the return needlessly expensive to prepare. It is registered and filed separately from anything the Oregon Secretary of State handles, and it accrues on revenue rather than on profit — so it is recorded as it builds, not discovered at year end.
Are your services taxable in Oregon?
Oregon does not levy a statewide general sales tax, so medical and dental practices services are not subject to one here. No sales tax, but the Corporate Activity Tax applies to commercial activity above a threshold and functions like a gross receipts tax.
We keep the books. You run the business.
Categorization, reconciliation, month-end close, and clean financial statements — with nothing left for you to chase.
View pricingHow It Works
Free review
We check where your medical and dental practices books stand and which Oregon obligations apply, since sales tax is not one of them.
Register what is needed
Employer accounts with the Oregon Employment Department and entity filings with the Oregon Secretary of State.
Catch up
Back periods cleaned up at a fixed quoted price, with Oregon payroll and entity filings brought current.
Close on cadence
Monthly close worked backward from your Oregon due dates — corporate activity tax filed quarterly and annually.
Medical & Dental Practices Bookkeeping in Oregon — Frequently Asked Questions
Do medical and dental practices need to register for sales tax in Oregon?
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How often do medical and dental practices file in Oregon?
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Which Oregon agencies do medical and dental practices deal with?
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Do medical and dental practices pay Oregon state income tax?
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Do you prepare income tax returns for medical and dental practices?
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Medical & Dental Practices bookkeeping in Oregon
Book a free consultation. We will check where your books stand and which Oregon obligations actually apply to you.
- Done-for-you
- Solo or group
- Nationwide
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