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By Jayant Panwar, Healthcare Data AnalystUpdated April 4, 2026Editorial policy
Disclaimer: This page provides cost comparison data sourced from insurer Transparency in Coverage files. It is not medical advice. Consult a qualified healthcare provider for medical decisions.Learn about our data methodology.
California

Cost of a ER Visit (Moderate) Visit
in California

California's emergency departments handle over 14 million visits annually, with moderate-severity cases representing a significant portion of patient encounters. For a ER Visit (Moderate) in California, patients typically pay between $80 and $258, with a median negotiated rate of $88 based on insurance company data. The state's nearly 20,000 active emergency providers across 400+ hospitals offer extensive options for urgent care needs. Patients can browse all ER Visit (Moderate) providers throughout California to find the most cost-effective option for their situation.

Average

$142

Median

$88

Lowest

$80

Highest

$258

Providers

19,792

National avg: $142California: $142

0% above national average

Important: These are cost estimates only — not a quote and not medical advice.

The prices on this page are self-pay rates, drawn from federal Transparency in Coverage machine-readable files (CPT 99284Emergency department visit, moderate severity). They represent what a patient might pay without insurance.

Your actual cost depends on: your specific insurance plan, your remaining deductible, your coinsurance percentage, whether you have met your out-of-pocket maximum, whether the facility and provider are both in-network, and any separate anesthesia or implant fees billed independently.

This page does not constitute medical advice. Whether you need this procedure, and which approach is right for you, is a decision to make with a licensed healthcare provider.

Where this data comes from & what CPT 99284 covers

Data source: Cost figures are derived from UnitedHealthcare Transparency in Coverage machine-readable files for CPT code 99284 (Emergency department visit, moderate severity), as mandated by the CMS Price Transparency Rule.

What CPT 99284 covers: the provider's professional fee for er visit (moderate severity). It does not include facility/hospital fees, anesthesia, pre-operative imaging, post-operative care, or any add-on codes billed separately.

How to Find the Right ER Visit (Moderate) Near You in California and Compare Costs

Verify the Doctor's Credentials and Specialty Focus

Emergency medicine physicians in California must maintain board certification through the American Board of Emergency Medicine, which requires ongoing education and recertification every 10 years. For moderate-severity visits, look for doctors with experience in urgent care management and emergency stabilization procedures. Many California emergency departments also employ physician assistants and nurse practitioners who can effectively handle moderate-severity cases at potentially lower costs.

Check Network Status Before Booking

Network status dramatically affects your out-of-pocket costs, with out-of-network emergency visits potentially costing thousands more than in-network care. California patients should verify that both the emergency physician and the hospital facility are in-network, as these are often billed separately. The state's major insurers including Anthem, Kaiser, and UnitedHealthcare maintain extensive emergency provider networks throughout California.

Compare Out-of-Pocket Costs Across Providers

The same moderate-severity emergency visit can vary by hundreds of dollars depending on whether you visit a large health system's emergency department versus a smaller community hospital. California's hospital-owned emergency departments typically charge higher facility fees than independent urgent care centers that can handle moderate-severity cases. Geographic location within California also significantly impacts pricing, with Bay Area and Los Angeles emergency departments generally charging premium rates.

Ask About Self-Pay Discounts

Many California emergency departments offer substantial cash-pay discounts for uninsured patients, sometimes reducing costs by 30-50% from standard rates. Payment plan options are widely available across California hospitals, allowing patients to spread emergency visit costs over several months. Don't hesitate to negotiate payment terms, especially at non-profit hospitals that are required to offer charity care programs under California law.

Skip the research. Momentary Lab searches thousands of ER Visit (Moderate) providers in California, compares costs, and checks your insurance in seconds.

Top-Rated Hospitals in California

These hospitals in California are top-rated for patient satisfaction. Review data sourced from HCAHPS Patient Survey.

5/5
90% would recommend136 patient surveys
5/5
90% would recommend544 patient surveys
5/5
89% would recommend411 patient surveys
MAMMOTH HOSPITAL

MAMMOTH LAKES, CA

5/5
87% would recommend104 patient surveys
5/5
86% would recommend243 patient surveys

Hospital ratings are based on HCAHPS (Hospital Consumer Assessment of Healthcare Providers and Systems) survey data published by CMS.

Does Your Insurance Cover ER Visit (Moderate) Visits in California?

California's insurance market features strong competition among major carriers including Anthem, Kaiser Permanente, and UnitedHealthcare, with Medicaid expansion providing coverage to over 14 million residents. The state's high HMO penetration rate means many patients need to understand referral requirements and network restrictions for emergency care.

Understanding Referral Requirements

Emergency visits for moderate-severity conditions typically don't require prior authorization or PCP referrals, even under HMO plans, since emergency care is considered urgent. However, California's high HMO enrollment means patients should understand their plan's emergency care policies and potential penalties for non-emergency use of emergency departments. Some HMO plans may require post-emergency follow-up through their primary care network.

What In-Network Actually Means for Your Costs

California emergency departments often involve multiple providers who may have different network statuses, including the emergency physician, radiologists, and laboratory services. The federal No Surprises Act protects patients from most surprise emergency bills, but understanding your plan's emergency copays and deductibles remains important. Facility fees at hospital emergency departments are typically much higher than physician fees for the same level of care.

Key Questions to Ask Before Your Visit

Confirm that the emergency department accepts your insurance plan and understand your emergency copay or deductible responsibility. Ask whether the emergency physician group contracts separately with your insurer, as this can affect your costs even at in-network hospitals. Verify if your plan requires notification within 24-48 hours for emergency visits, and understand your coverage for any diagnostic tests or procedures that may be needed. Check whether your plan covers emergency care at out-of-network facilities if you're traveling within California.

Medicaid and Medicare Coverage in California

California's Medicaid expansion provides comprehensive emergency coverage to eligible residents, typically with minimal copays for moderate-severity emergency visits. Medicare Part B covers emergency department visits nationwide, including when California residents need emergency care while traveling. Both programs cover emergency care regardless of which hospital you visit, though Medicare patients may face higher costs at hospitals that don't accept Medicare assignment.

Check your coverage instantly. Tell our AI Navigator your insurance plan and provider -- we will tell you exactly what you will pay.

Why ER Visit (Moderate) Visit Costs Vary Across California

California's emergency care costs run approximately 18% above the national average, reflecting the state's high cost of living, stringent regulations, and competitive healthcare market. The state's diverse geography creates significant cost variations between metropolitan trauma centers and rural critical access hospitals.

Urban vs. Rural Provider Availability

California's vast geographic spread creates dramatic disparities in emergency care access, with the San Francisco Bay Area and Los Angeles basin offering numerous high-cost options while rural counties may have only one emergency department serving hundreds of square miles. Urban emergency departments in California typically charge premium rates due to higher real estate costs, specialized trauma capabilities, and 24/7 staffing requirements. Rural facilities often provide more affordable emergency care but may transfer complex cases to urban centers, potentially increasing total costs.

Facility Type and Overhead Costs

Hospital-based emergency departments in California carry significantly higher overhead costs than urgent care centers, reflected in substantial facility fees that can exceed physician charges. Major health systems like Kaiser Permanente, Sutter Health, and Cedars-Sinai operate large emergency departments with advanced capabilities but typically charge higher rates than independent community hospitals. California's seismic safety requirements and environmental regulations also increase facility costs compared to other states.

Insurance Market Competition in California

California's competitive insurance market includes major players like Anthem Blue Cross, Kaiser Permanente, and UnitedHealthcare, creating varied negotiated rate structures across emergency providers. Kaiser's integrated model often results in lower costs for members but limits provider choice, while PPO plans offer broader networks at higher prices. The state's robust Medicaid program negotiates relatively low rates, while commercial insurers face varying degrees of leverage depending on regional provider concentration.

Physician Supply and Demand in California

With nearly 20,000 emergency providers across the state, California maintains relatively good physician supply in urban areas but faces shortages in rural regions, affecting both access and pricing. High demand for emergency services in metropolitan areas allows providers to maintain premium pricing, while rural areas may struggle to maintain 24/7 emergency coverage. California's competitive residency programs and high physician compensation requirements contribute to elevated emergency care costs compared to other states.

Compare Similar Procedures

How does er visit (moderate severity) compare to related procedures in California?

ProcedureCPTLowMedianHighProviders
ER Visit (Low Severity)

Emergency department visit, low severity

99283$80$88$15319,723
ER Visit (High Severity)

Emergency department visit, high severity

99285$80$88$37418,145
JP

Jayant Panwar

CEO, Momentary Labs · San Francisco, CA

Jayant has analyzed healthcare pricing data from CMS Transparency in Coverage files since 2022, covering more than 50 million negotiated rate records across all 50 states. His work focuses on making insurer machine-readable files accessible to patients and researchers.

The cost figures on this page reflect his ongoing work to make this data accessible to patients.

Healthcare Data AnalyticsCMS TiC DataInsurance Price Transparency

Frequently Asked Questions — ER Visit (Moderate) Costs in California

What is the average cost of a ER Visit (Moderate) visit in California without insurance?

Without insurance, a moderate-severity emergency visit in California typically costs between $80 and $258, with a median rate of $88 based on negotiated insurance rates. However, uninsured patients often face higher list prices before any self-pay discounts are applied. Many California hospitals offer significant cash-pay discounts or payment plans to help reduce the financial burden for uninsured patients.

Does California Medicaid cover ER Visit (Moderate) visits?

Yes, California's expanded Medicaid program covers emergency department visits for moderate-severity conditions with minimal copays for eligible patients. The state's Medicaid expansion provides comprehensive emergency coverage regardless of which hospital you visit within California. Coverage includes both physician services and facility fees, making emergency care accessible to low-income residents throughout the state.

How do I find an affordable ER Visit (Moderate) near me in California?

Compare costs across different emergency departments in your area, as rates can vary significantly between hospitals and health systems. Consider community hospitals over major medical centers for moderate-severity conditions that don't require specialized trauma care. Ask about self-pay discounts if you're uninsured, and verify your insurance network status before seeking care to avoid surprise bills.

What is the difference in cost between an initial consultation and a follow-up visit?

Emergency departments typically charge based on the complexity and resources required for each visit rather than distinguishing between initial and follow-up visits. A moderate-severity emergency visit (CPT 99284) in California costs between $80-$258 regardless of whether it's your first visit for the condition. However, follow-up care is usually better handled through primary care or urgent care settings, which cost significantly less than emergency department visits.

Can I use an HSA or FSA to pay for a ER Visit (Moderate) visit in California?

Yes, emergency department visits qualify as eligible medical expenses for both Health Savings Accounts (HSAs) and Flexible Spending Accounts (FSAs). You can use these tax-advantaged funds to pay for emergency care copays, deductibles, and any out-of-pocket costs in California. Keep all receipts and documentation for your records, as emergency care expenses are clearly qualifying medical expenses under IRS guidelines.

How does telemedicine affect the cost of seeing a ER Visit (Moderate) in California?

While telemedicine cannot replace emergency department care for conditions requiring physical examination or immediate intervention, it can help determine whether your symptoms warrant emergency care. California has extensive telehealth options that cost $50-150 per consultation, potentially helping you avoid unnecessary emergency visits. However, moderate-severity conditions typically require in-person evaluation and cannot be adequately assessed through telemedicine alone.

Find an Affordable ER Visit (Moderate) Near You in California — Powered by AI

Finding affordable emergency care in California shouldn't add stress to an already difficult situation. Momentary Lab helps California residents compare emergency department costs, verify insurance coverage, and locate in-network providers using our AI-powered platform. Get your personalized cost estimate -- free, instant, no sign-up required.

Click a state to compare costs

Average Visit Cost

$82
$311

Office visit (CPT 99284)

Compare With Other States
RankStateAverage
1Wisconsin
Range: $73$647
$311
2Illinois
Range: $80$431
$223
3Iowa
Range: $80$371
$205
4New Hampshire
Range: $102$307
$202
5Pennsylvania
Range: $55$431
$191
6New York
Range: $67$374
$183
7Rhode Island
Range: $62$374
$177
8Maine
Range: $116$233
$172
9Massachusetts
Range: $62$368
$170
10Nebraska
Range: $83$291
$165
11Washington
Range: $80$259
$161
12Michigan
Range: $80$291
$158
13New Mexico
Range: $85$266
$158
14Wyoming
Range: $85$262
$157
15Colorado
Range: $80$267
$157
16Vermont
Range: $80$257
$156
17Georgia
Range: $84$246
$151
18California
Range: $80$258
$142
19Indiana
Range: $80$258
$142
20Kentucky
Range: $70$246
$140
21North Carolina
Range: $80$231
$139
22District of Columbia
Range: $80$217
$138
23West Virginia
Range: $62$174
$137
24Utah
Range: $80$228
$135
25Maryland
Range: $80$206
$132
26New Jersey
Range: $60$237
$131
27Hawaii
Range: $80$217
$130
28Arkansas
Range: $80$194
$130
29Virginia
Range: $81$202
$129
30Tennessee
Range: $85$187
$128
31South Carolina
Range: $80$206
$128
32Ohio
Range: $75$197
$127
33Missouri
Range: $85$167
$124
34Alabama
Range: $80$195
$124
35Oklahoma
Range: $85$169
$123
36Kansas
Range: $86$167
$123
37Texas
Range: $80$196
$122
38Arizona
Range: $80$187
$122
39Mississippi
Range: $86$165
$121
40Idaho
Range: $80$194
$121
41Delaware
Range: $80$157
$120
42Minnesota
Range: $62$233
$119
43Nevada
Range: $84$184
$119
44Connecticut
Range: $55$211
$118
45Alaska
Range: $80$194
$118
46Louisiana
Range: $62$150
$104
47Oregon
Range: $62$183
$102
48Montana
Range: $62$145
$96
49Florida
Range: $35$190
$95
50North Dakota
Range: $62$121
$82
51South Dakota
Range: $62$121
$82
ER Visit (Moderate Severity) in Other States
JP

Jayant Panwar

CEO & Healthcare Data Analyst, Momentary Labs

Last updated: April 4, 2026

About This Data

Cost data sourced from Transparency in Coverage (TiC) machine-readable files published by UnitedHealthcare as required by the CMS Price Transparency Rule. These are actual negotiated rates between insurers and providers — not estimates.

Prices shown are for Emergency department visit, moderate severity (CPT 99284) in California, aggregated across 19,792 provider contracts.

Actual out-of-pocket costs depend on your insurance plan, deductible, coinsurance, and services received. This is not medical advice.

About this page

Data source: UnitedHealthcare Transparency in Coverage machine-readable files, CPT 99284, California providers. Rates represent in-network negotiated amounts and may vary by plan type.

Editorial policy: Momentary Labs does not accept payment from providers, hospitals, or insurers to influence cost rankings or editorial content. Read our full editorial policy.

Corrections: If you believe any cost figure or clinical information on this page is inaccurate, please report it here. We review all submissions within 5 business days.