How Much Does It Cost to Start a Medical Practice in California?

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Starting a Medical Practice in California typically costs between $202,500 and $1,350,000, with a median estimate of $540,000. California’s cost of living runs 42% above the national average, which increases commercial rent and labor costs. LLC formation in California costs $70 to file. Most medical practice businesses take 6-18 months to launch.

Last updated: March 2026

Medical Practice startup costs illustration — typical equipment and setup

How Much Does It Cost to Start a Medical Practice in California?

Low

$202,500

Medium

$540,000

High

$1,350,000

National average: $150,000 – $1,000,000

Interactive Startup Cost Calculator

Startup Cost Calculator

Medical Practice in California

Budget:

Medical Equipment

$135,000

Office Lease & Build-Out

$135,000

Licensing & Credentialing

$20,250

EHR & Practice Management Software

$33,750

Insurance

$43,750

Medical Supplies & Drugs

$40,500

Marketing & Patient Acquisition

$20,250

Working Capital Reserve

$162,000

Options

Include 3 months working capital

Employees:Just Me1–34–10

One-Time Costs

$590,500

Monthly Costs

First Year Total

$590,500

Full Cost Breakdown

Cost Category	Low	Medium	High	Notes
Medical Equipment	$40,500	$135,000	$540,000	A basic primary care office needs $30K-$60K in equipment. Specialty practices (cardiology, dermatology, orthopedics) require $100K-$400K+ in specialty-specific equipment.
Office Lease & Build-Out	$54,000	$135,000	$405,000	Medical office build-out at $80-$200/sq ft is expensive due to plumbing, HVAC, and accessibility requirements. A 3-exam-room primary care office in 2,000 sq ft costs $160K-$400K to build out.
Licensing & Credentialing	$6,750	$20,250	$47,250	Insurance credentialing with major commercial payers takes 90-180 days. Medicare and Medicaid enrollment takes 60-120 days. DEA registration is $888/year. Credentialing service cost $1K-$5K.
EHR & Practice Management Software	$10,800	$33,750	$81,000	Epic, Athenahealth, and eClinicalWorks are major EHR platforms. Cloud-based EHRs run $500-$2,000/month. Meaningful Use compliance drives EHR requirements.
Insurance	$18,750	$43,750	$100,000	Medical malpractice premiums vary enormously by specialty — a primary care physician pays $5K-$15K/year while an OB/GYN or neurosurgeon pays $50K-$200K+/year.
Medical Supplies & Drugs	$13,500	$40,500	$108,000	Vaccine inventory for a primary care practice costs $10K-$30K. Order from McKesson, Cardinal Health, or Medline for wholesale pricing.
Marketing & Patient Acquisition	$6,750	$20,250	$54,000	Google Ads for primary care generate new patients at $100-$300 per acquisition. Zocdoc listings cost $300-$500/month and drive new patient bookings effectively.
Working Capital Reserve	$67,500	$162,000	$405,000	Medical practices have significant fixed costs (physician salary, staff, rent) and slow revenue ramp due to insurance credentialing delays. Maintain 12 months of operating costs in reserve.
Total Startup Cost	$218,550	$590,500	$1,740,250	Required costs only

Licenses & Permits in California

General Business License

California does not have a statewide general business license, but most cities and counties require a local business license or business tax certificate. Businesses must register with the California Secretary of State for entity formation, obtain a seller's permit from the California Department of Tax and Fee Administration if selling taxable goods, and register with the EDD for payroll taxes if employing workers. San Francisco, Los Angeles, and other major cities have their own business registration and tax requirements.

Industry-Specific Licenses

Food Facility Permit — California Department of Public Health or County Environmental Health
Cost: $100-$1,500 • Renewal: Annual
Contractor's License — California Contractors State License Board (CSLB)
Cost: $200-$600 • Renewal: Biennial
Cosmetology Establishment License — California Board of Barbering and Cosmetology
Cost: $50-$300 • Renewal: Biennial
Real Estate Broker License — California Department of Real Estate
Cost: $300-$900 • Renewal: Every 4 years
Child Care Center License — California Department of Social Services — Community Care Licensing
Cost: $100-$1,000 • Renewal: Biennial
Alcoholic Beverage License — California Department of Alcoholic Beverage Control (ABC)
Cost: $300-$13,800 • Renewal: Annual
Landscaping Contractor License (C-27) — California Contractors State License Board (CSLB)
Cost: $300-$600 • Renewal: Biennial
Motor Carrier Permit — California Department of Motor Vehicles
Cost: $100-$1,000 • Renewal: Annual
Auto Repair Dealer Registration — California Bureau of Automotive Repair
Cost: $180-$320 • Renewal: Biennial

Home-Based Business Rules

California's Home Occupation Ordinance varies by city but generally allows home-based businesses that don't generate customer traffic, employ non-resident workers, or create visible commercial activity. AB 2221 (2022) expanded rights for home-based food businesses under the Homemade Food Operations Act. Some cities, including Los Angeles, have updated their home occupation rules to allow more types of businesses post-pandemic.

Resources

Monthly Operating Costs

After launch, plan for these ongoing monthly expenses for your Medical Practice:

Low

$30,000/mo

Medium

$80,000/mo

High

$200,000/mo

Revenue Potential

Annual Revenue Range

$30,000 – $400,000 (monthly)

Profit Margins

15%-30% net profit typical for established primary care

Break-Even Timeline

24-48 months

How California Compares to Neighboring States

California is a higher-cost state for starting a Medical Practice, with a cost-of-living index of 142.2 (national average is 100). Compared to neighboring Oregon ($448,000 median startup cost), California has higher costs for a Medical Practice.

State	Est. Cost	LLC Fee
California (current)	$540,000	$70
Oregon	$448,000	$100
Nevada	$408,000	$425
Arizona	$412,000	$50

Common Mistakes to Avoid

1
Starting insurance credentialing without 6 months lead time — plan for 90-180 days per payer minimum
2
Underestimating build-out costs — medical office construction at $80-$200/sq ft often exceeds initial estimates by 20%-30%
3
Hiring too much staff before patient volume is established — start lean with cross-trained staff
4
Not hiring a dedicated billing specialist — improper medical coding results in 10%-30% claim denial rates
5
Skipping cyber liability insurance — healthcare data breaches average $10.9M in costs
6
Not joining Medicare and Medicaid as a provider — these payers represent 30%-50% of patient population

Next Steps to Launch Your Medical Practice

1
Obtain your California medical license from the California Medical Board and complete all required continuing education
2
Register your Medical Practice as a professional LLC or PLLC with the California Secretary of State ($70 filing fee)
3
Obtain DEA registration for prescribing controlled substances — required before seeing patients
4
Apply for your NPI (National Provider Identifier) number through NPPES — needed for all insurance billing
5
Credentialing with Medicare, Medicaid, Blue Cross, Aetna, and other major insurers (3–6 month process)
6
Get medical malpractice (professional liability) insurance — minimum $1M/$3M coverage recommended ($8,000–$25,000/year)
7
Implement a HIPAA-compliant EHR system (Epic, Athena, DrChrono) and patient portal before seeing patients
8
Complete your CLIA laboratory registration if you plan to run any in-office lab tests

Frequently Asked Questions

Opening a medical practice costs $150,000 to $1,000,000+. A basic primary care solo practice can open for $150,000-$300,000. A multi-physician group practice typically requires $400,000-$800,000. Specialist practices with expensive equipment (imaging, surgery) can exceed $1,000,000.

Credentialing with commercial insurers takes 90-180 days. Medicare enrollment takes 60-120 days. CAQH (Council for Affordable Quality Healthcare) profile setup is required by most payers. Start all credentialing applications 6 months before planned opening to avoid operating cash-pay only.

A primary care or internal medicine practice has the lowest startup costs at $150,000-$300,000. Direct Primary Care (DPC) practices that bypass insurance have even lower startup costs of $50,000-$100,000 since they don't need billing infrastructure. Specialist practices and surgical practices are significantly more expensive.

Primary care practice owners typically earn $200,000-$400,000 annually in a well-established practice. This includes salary plus profit distribution. Specialists can earn $400,000-$800,000+. The advantage of ownership over employment is long-term asset value — a well-run practice sells for 1-3x annual revenue.

DPC practices charge patients a monthly subscription ($50-$150/month) for unlimited primary care access with no insurance involvement. DPC has lower startup costs ($50,000-$100,000), eliminates billing complexity, and allows physicians to see 600-800 patients instead of the insurance model's 2,000-3,000. Profitability requires 400-600 enrolled members.

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Start a Medical Practice in Other States

See the national overview for Medical Practice or browse all businesses you can start in California.