Skip to Content

JavaScript has been disabled within your browser, the content or the functionality of this web page can be limited or unavailable.

Search Henry Mayo

Search Site

Set Your Location to See Relevant Information

Setting your location helps us to show you nearby providers and locations based on your healthcare needs.

Your Location is set to

We are showing you the most relevant nearby providers and locations based on your healthcare needs.

About Us
Careers
Quality Achievements
MyHealth Patient Portal
Health Equity

Main Navigation

Medical Services
Primary Care
Support Henry Mayo
Find a Doctor
Patients and Visitors
Classes and Events

Breast Health
Cancer Care
Heart and Vascular Care
Henry Mayo Fitness
Pregnancy and Birth Care
Primary Care Practice
Rehabilitation Services
Surgery
All Services

OB-GYN
Primary Care
Urgent Care
Wound Care

About the Foundation
Donor Impact
Healthcare Heroes
Programs & Events
Giving Opportunities
Volunteers
Explore Henry Mayo Newhall Hospital Foundation

Search for a Doctor

Advanced Search All Doctors

MyHealth Patient Portal
Patient Pre-Registration
Requesting Medical Records
Campus Map
Visitor Policy
Billing and Insurance
Help Paying Your Bill
All Information

Search for a Class

Advanced Search All Classes

You are here:

Home > Find a Doctor > Find a Doctor Profile

Find a Doctor Profile

Anthony Nicolaysen, MD

Specialties:

Nephrology

Locations

11550 Indian Hills

Mission Hills, CA 91345

Profile

Gender:

Male

Languages:

Spanish

Henry Mayo Newhall Hospital
23845 McBean Pkwy
Valencia, CA 91355
661.200.2000

Contact Us
Nondiscrimination Notice
Accessibility Statement
Language Assistance
For Employees
For Physicians
Patient Estimates
Help Paying Your Bill
Price Transparency
Terms of Use
Privacy Policy
Notice of Privacy Practices

© 2025 Henry Mayo Newhall Hospital. All rights reserved.