Los Alamitos Patient Help Hub
Use this 2026 guide before you call Los Alamitos Medical Center, search MyChart, find a doctor, request medical records, pay a bill, visit a patient, or drive to UCI Health — Los Alamitos at 3751 Katella Ave.
Important update: the hospital formerly known as Los Alamitos Medical Center is now presented by UCI Health as UCI Health — Los Alamitos. This page uses current UCI Health routes first, while still answering the older “Los Alamitos Medical Center” search intent.
Choose the Right Los Alamitos Route
Official-Source Check: What This Page Adds
This guide uses the current UCI Health naming and routes, because the former Los Alamitos Medical Center became part of UCI Health’s community network after UCI Health acquired Tenet’s Pacific Coast Network in March 2024.
Included from official pages
- Current name, former name, address, main phone and 24/7 status.
- UCI Health MyChart help number and legacy My Health Rec/Athena note.
- Medical-records direct phones, fax, email, photo ID rule and request timing.
- Billing phone for UCI Health community locations.
- Visitor hours, visitor limit and under-16 rule for Los Alamitos.
- Emergency department and outpatient center details.
What to verify live
- Doctor availability and insurance network.
- Which portal applies to your older record or newer UCI care.
- Visitor restrictions, mask guidance and unit exceptions.
- Billing route based on admission date before or after March 27, 2024.
- Records form version and mailing instructions before sending paperwork.
Best user rule
Use UCI Health pages first for current facts. Treat older “Los Alamitos Medical Center” pages or third-party phone/portal pages as secondary unless they match UCI Health.
Los Alamitos Medical Center Phone, Address and Fast Routing
| Need | Best route | Use this for | Warning |
|---|---|---|---|
| Main hospital | 562-598-1311 | General routing, appointment questions, department connection and hospital information. | Call 911 for emergencies. |
| Emergency department | 3751 Katella Ave, Los Alamitos, CA 90720 | 24/7 emergency care for urgent medical conditions. | Do not delay emergency care for online forms. |
| MyChart help | 833-469-2478 | UCI Health MyChart access, login help and technical support. | Not for emergency symptoms. |
| Legacy My Health Rec help | 888-252-8149 | Older My Health Rec / Athena portal questions if your record route still points there. | Use official UCI patient-login pages first. |
| Medical records direct phone | 562-799-3246 or 562-799-3256 | Los Alamitos release-of-information questions. | Records requests usually need authorization and photo ID. |
| Medical records fax | 562-799-3225 | Faxing authorization when accepted by the official records process. | Verify form and instructions before faxing. |
| Medical records email | LAMCROI@hs.uci.edu | Release-of-information contact listed by UCI Health for Los Alamitos. | Do not email emergency concerns. |
| Billing assistance | 888-439-4456 | UCI Health community location billing help, including Los Alamitos. | Hours are listed as 8:30 AM–5 PM, Monday-Friday. |
| Outpatient Center | 562-799-3251 | 3951 Katella Ave. services such as radiation oncology, imaging and infusion. | Primary care ended at this location after June 30, 2026. |
| UCI Health general help | 714-456-7890 | General UCI Health patient/visitor questions. | Use 562-598-1311 for the Los Alamitos hospital first. |
Los Alamitos MyChart: Current UCI Health Portal vs Legacy Portal
Because Los Alamitos Medical Center joined UCI Health, portal searches can be confusing. The current UCI Health patient-login route emphasizes MyChart, while older UCI community-network records may still mention My Health Rec or Athena.
Use MyChart first
For current UCI Health patient access, use the official UCI Health patient login / MyChart route. MyChart help is listed at 833-469-2478.
Older records may differ
UCI Health’s legacy portal page still lists UCI Health — Los Alamitos under My Health Rec/Athena support. If you previously used that route, support is listed at 888-252-8149.
Do not use portal for emergencies
MyChart or legacy portal messages are not emergency tools. Use 911 or the emergency department for severe symptoms.
| Search phrase | What user means | Best current answer | Mistake to avoid |
|---|---|---|---|
| Los Alamitos Medical Center MyChart | Login, results, hospital records or bill. | Use UCI Health MyChart / patient login first. | Do not use an unrelated MyChart page. |
| Los Alamitos patient portal | Older Tenet/community network record access. | Check UCI Health patient-login guidance; My Health Rec/Athena may apply to older access. | Do not assume every old portal is still correct. |
| Los Alamitos test results | View post-visit results. | Try MyChart, then request records if not available. | Do not wait for portal if symptoms are worsening. |
| Los Alamitos bill pay | Pay hospital bill after care. | Use UCI Health bill pay and choose service-date route. | Do not pay through suspicious third-party links. |
Find Los Alamitos Doctors and Appointments
For “Los Alamitos Medical Center doctors,” use UCI Health’s clinician search and confirm whether the provider sees patients at Los Alamitos, the Outpatient Center, another UCI Health location, or a private office.
Find a clinician
Use the official UCI Health Find a Clinician search for doctor name, specialty or care need.
Confirm location
Ask whether your appointment is at the main hospital, 3951 Katella outpatient center, UCI Health — Orange/Irvine, or another outpatient clinic.
Before booking
Confirm insurance, referral, prior authorization, records, imaging, arrival time and whether the provider is accepting new patients.
Doctor-search checklist
- Know whether you need emergency care, primary care, cardiology, neurology, orthopaedics, women’s health, senior health, oncology, imaging, infusion, wound care or another specialty.
- Ask if the care is hospital-based or office-based, because billing can be different.
- Bring medication list, allergies, previous records, lab results, imaging reports and discharge summary if relevant.
- For primary care after June 30, 2026, do not assume the Los Alamitos Outpatient Center still offers it; UCI says primary care services ended there and directs patients to other UCI primary care locations.
Emergency Care at UCI Health — Los Alamitos
UCI Health lists the Los Alamitos Emergency Department at 3751 Katella Ave. and describes it as open 24 hours, 7 days a week for urgent medical conditions.
Use ER / 911 now for
- Chest pain, possible heart attack or severe shortness of breath.
- Stroke signs: face drooping, arm weakness, speech trouble or sudden severe headache.
- Major bleeding, severe injury, traumatic injury, poisoning or overdose.
- Pregnancy emergency, severe abdominal pain or postpartum emergency.
- Serious infection signs, seizure, severe allergic reaction or dangerous confusion.
- Suicidal crisis, danger to self/others or rapidly worsening symptoms.
Route tips
- Call 911 if emergency transportation or dispatch is needed.
- Bring ID, medication list, allergies, insurance card and emergency contact if safe to do so.
- Do not wait for MyChart, billing, records or appointment callback if symptoms are severe.
- Emergency departments use medical triage; the sickest patients may be seen first.
Medical Records: Los Alamitos Release, Forms, Photo ID, Fax and Email
UCI Health’s Los Alamitos records page says patients need an Authorization to Release Information form to receive copies of medical records and images. Forms are available in English, Spanish and Vietnamese.
| Record need | Best route | Official detail | Prepare this |
|---|---|---|---|
| Current portal access | UCI Health MyChart | Use patient login for available digital records. | MyChart account and matching registration details. |
| Older portal access | My Health Rec / Athena route if directed by UCI | Legacy support listed at 888-252-8149. | Older email invite, visit date and facility details. |
| Formal medical records | Authorization to Release Information form | Forms must be delivered in person with photo ID according to UCI Los Alamitos records guidance. | Valid photo ID, signed form, dates of service and record type. |
| Records phone | 562-799-3246 or 562-799-3256 | Direct Los Alamitos release-of-information contacts. | Patient name, DOB, visit date and facility. |
| Records fax | 562-799-3225 | Fax listed for Los Alamitos release-of-information. | Verify form version and ID requirements before faxing. |
| Records email | LAMCROI@hs.uci.edu | Email listed by UCI Health for Los Alamitos release-of-information. | Avoid sending unnecessary sensitive info unless instructed. |
| Mail / in-person route | Release of Information, UCI Health — Los Alamitos, 3951 Katella Ave. | UCI lists the Los Alamitos release-of-information location at 3951 Katella Ave. | Verify the current full mailing ZIP on the official form/page before mailing. |
| Birth or death certificate | County health department | UCI says birth and death certificates are managed and issued by county health departments. | Use Orange County birth/death registration route if applicable. |
Billing, Bill Pay, Estimates and Financial Help
Because Los Alamitos joined UCI Health in March 2024, bill-pay route can depend on the admission date. UCI Health’s billing page separates community-location payments before and after March 27, 2024.
Billing assistance
For UCI Health community locations including Los Alamitos, billing help is listed at 888-439-4456, Monday-Friday, 8:30 AM-5 PM.
Check service date
Use the correct UCI bill-pay link for admission on or after March 27, 2024 or before March 27, 2024.
Financial help
UCI Health says its Financial Assistance / Charity Care program may help eligible low-income, uninsured or underinsured patients with emergency or medically necessary care.
Before paying a Los Alamitos hospital bill
- Confirm the bill is for UCI Health — Los Alamitos, not another Los Alamitos/Orange County provider.
- Check whether the admission date is before or after March 27, 2024.
- Ask if this is the hospital facility bill or a separate doctor, lab, imaging, pathology or anesthesia bill.
- Wait for insurance processing when appropriate and compare with your EOB.
- Ask for an itemized statement if charges are unclear.
- Ask about payment plans, financial assistance, price transparency and surprise-billing protections if needed.
Visitor Rules for UCI Health — Los Alamitos
UCI Health’s visitor-guideline page lists Los Alamitos patient visitation as open 24 hours a day, seven days per week, with limits and unit discretion.
Visiting hours
Los Alamitos patient visitation hours are listed as 24 hours a day, 7 days per week.
Visitor limit
UCI guidance lists two visitors per patient. Exceptions may be made at unit leadership discretion.
Visitors under 16
Visitors under age 16 must be accompanied by an adult.
If sick
If you are sick or not feeling well, visit virtually or at another time. Masks may be available based on preference and need.
Services and Outpatient Center Details
UCI Health describes Los Alamitos as a full-service medical facility with 24-hour emergency care and multiple specialty programs.
| Service / location | What UCI Health lists | Phone / address | Before you go |
|---|---|---|---|
| Main hospital | 24-hour emergency care, cardiology, neurology, orthopaedics, women’s health and senior health. | 3751 Katella Ave, 562-598-1311. | Confirm department, entrance and appointment instructions. |
| Emergency Department | 24/7 emergency care for urgent medical conditions. | 3751 Katella Ave, 562-598-1311. | Call 911 for severe or life-threatening symptoms. |
| Stroke care | UCI Health describes Los Alamitos as a DNV-GL designated Comprehensive Stroke Center. | Main hospital route. | Stroke signs require 911 immediately. |
| Outpatient Center | Radiation oncology, imaging services and infusion services. | 3951 Katella Ave, 562-799-3251. | Confirm service, prep and insurance authorization. |
| Primary care at Outpatient Center | UCI says primary care services are no longer offered there as of June 30, 2026. | Call 714-456-7002 to find a primary care location near you. | Do not drive there for primary care after June 30, 2026 without confirmation. |
| Wound care / hyperbaric | Specialized wound care, including hyperbaric oxygen therapy, is mentioned by UCI Health. | Main hospital / specialty route. | Bring wound history, medication list and prior treatment notes. |
| Financial resources | Help Paying Your Bill, Insurance Accepted, Pay Your Bill and Price Transparency. | UCI Health financial resources pages. | Use date-specific Los Alamitos bill-pay route. |
Official Los Alamitos / UCI Health Links to Use After This Guide
Map and Directions to UCI Health — Los Alamitos
Use this map for the main hospital at 3751 Katella Ave, Los Alamitos, CA 90720. For outpatient imaging, infusion or radiation oncology, verify whether you need the 3951 Katella Ave Outpatient Center instead.
3751 Katella Ave, Los Alamitos, CA 90720. Use for hospital, emergency and inpatient-related needs.
3951 Katella Ave, Los Alamitos, CA 90720. Confirm before going for imaging, infusion or radiation oncology.
Confirm department, entrance, appointment time, registration, insurance card, records and fasting/medication instructions.
Los Alamitos Patient Route Planner
Choose your task to get a practical next-step checklist.
Call Scripts That Get Faster Answers
MyChart / portal
Hi, I was treated at UCI Health — Los Alamitos and need help accessing my records online. Should I use UCI Health MyChart, or does my older visit still use My Health Rec/Athena?Doctor search
Hi, I need a UCI Health clinician for [condition/specialty] near Los Alamitos. Which location should I use, are they accepting patients, and do I need a referral, records or imaging first?Medical records
Hi, I need records from UCI Health — Los Alamitos for service date [date]. I need [ER note / discharge summary / imaging / labs / full chart]. Which authorization form, ID, fax, email or in-person step should I use?Billing
Hi, I received a Los Alamitos hospital bill for service date [date]. Was the admission before or after March 27, 2024, has insurance processed it, and can I request itemization, payment options or financial assistance?Visitor
Hi, I’m trying to visit a patient at UCI Health — Los Alamitos. Can you confirm the patient’s unit, visitor limit, under-16 rule, and whether food, flowers or special restrictions apply?Outpatient Center
Hi, I have a question about services at the Los Alamitos Outpatient Center at 3951 Katella Ave. Is my appointment for imaging, infusion or radiation oncology, and what prep or authorization do I need?Common Los Alamitos Medical Center Mistakes to Avoid
Using outdated Tenet-era info
The hospital is now UCI Health — Los Alamitos. Use UCI Health pages first if older pages conflict.
Using the wrong portal
Start with UCI Health MyChart. Use My Health Rec/Athena only when UCI’s legacy portal guidance fits your older care record.
Driving to the wrong Katella address
Main hospital is 3751 Katella Ave. Outpatient Center is 3951 Katella Ave. Confirm before driving.
Ignoring service date for bill pay
UCI bill pay separates Los Alamitos payments by admission before or after March 27, 2024.
Requesting records too late
Records may take up to 10 business days and require authorization/photo ID. Start early.
Using MyChart for emergency symptoms
Portal messages are not emergency care. Call 911 for severe symptoms.
Related Medical-Centers.org Guides
Los Alamitos Medical Center FAQ
What is Los Alamitos Medical Center called now?
Los Alamitos Medical Center is now presented by UCI Health as UCI Health — Los Alamitos.
Where is UCI Health — Los Alamitos located?
UCI Health — Los Alamitos is located at 3751 Katella Ave, Los Alamitos, CA 90720.
What is the main phone number for Los Alamitos Medical Center?
The main phone number for UCI Health — Los Alamitos is 562-598-1311.
Is UCI Health — Los Alamitos open 24 hours?
Yes. UCI Health lists Los Alamitos as open 24 hours a day, 7 days a week.
Does Los Alamitos Medical Center use MyChart?
For current UCI Health access, use the official UCI Health patient login and MyChart route. Older community-network records may still refer to My Health Rec or Athena, so use UCI’s patient-login guidance before entering private information.
What is the UCI Health MyChart help number?
UCI Health lists MyChart help at 833-469-2478.
What is the legacy My Health Rec support number?
UCI Health’s My Health Rec and Athena guidance lists support at 888-252-8149.
How do I request Los Alamitos medical records?
Use UCI Health’s Los Alamitos medical-records authorization process. Direct records phones are 562-799-3246 and 562-799-3256, fax is 562-799-3225, and email is LAMCROI@hs.uci.edu.
Do I need photo ID for medical records?
Yes. UCI Health’s Los Alamitos records guidance says authorization forms must be delivered in person with photo ID.
How long do Los Alamitos medical-records requests take?
UCI Health’s records guidance says to allow up to 10 business days to process a request.
Who do I call for Los Alamitos billing questions?
For UCI Health community locations including Los Alamitos, billing assistance is listed at 888-439-4456, 8:30 AM to 5 PM, Monday through Friday.
Why does the billing page ask about March 27, 2024?
UCI Health separates Los Alamitos bill-pay routes by admission on or after March 27, 2024 and admission before March 27, 2024, because the hospital joined UCI Health in March 2024.
What are Los Alamitos visitor hours?
UCI Health lists Los Alamitos patient visitation hours as 24 hours a day, seven days per week.
How many visitors are allowed at UCI Health — Los Alamitos?
UCI Health’s Los Alamitos visitor guidance lists two visitors per patient. Visitors under age 16 must be accompanied by an adult.
Where is the UCI Health — Los Alamitos Outpatient Center?
The Outpatient Center is located at 3951 Katella Ave, Los Alamitos, CA 90720, and the listed phone number is 562-799-3251.
Does the Los Alamitos Outpatient Center still offer primary care?
UCI Health says primary care services are no longer offered at the Los Alamitos Outpatient Center as of June 30, 2026. Patients can call 714-456-7002 to find a UCI Health primary care location near them.