Accepting New Patients

Prioritize Your Health
Without the Rush

Real conversations. Real care. Dr. Delia Tamasan provides thoughtful primary and preventive medicine in the heart of Orange, California — where every visit is unhurried and every patient is known by name.

Schedule Your Visit Explore Our Services
Compassionate Care
Preventive Focus
Orange, CA
Learn more
What We Offer

Comprehensive Care,
Tailored to You

From routine check-ups to managing chronic conditions, we provide a full spectrum of primary care services designed to keep you healthy at every stage of life.

Annual Wellness Exams

A thorough, unhurried evaluation of your overall health — vitals, labs, screenings, and a personalized plan for the year ahead.

Preventive Screenings

Evidence-based screenings tailored to your age, gender, and risk factors — catching concerns early, when they're most treatable.

Chronic Condition Management

Ongoing, coordinated care for conditions like diabetes, hypertension, and asthma — with clear communication and regular follow-ups.

Women's Health

Comprehensive women's care including routine gynecological exams, contraception counseling, and menopause management.

Lab Work & Diagnostics

Convenient on-site phlebotomy and diagnostic testing, with results discussed in plain language during your visit.

Health Education

We invest time in helping you understand your body, your options, and the steps you can take to stay well — so you leave every visit informed.

Dr. Delia Tamasan in her Orange, CA office
Modern medical office interior in Orange California
Patient-First
Philosophy
About Dr. Tamasan

A Physician Who
Listens First

Dr. Delia Tamasan founded her practice with a simple conviction: that the best healthcare begins with a genuine conversation. In a system that often moves too fast, she has built a space where you are never rushed, never reduced to a chart number, and always treated as a whole person.

Based in Orange, California, Dr. Tamasan brings a warm, approachable style to primary and preventive medicine. She takes the time to explain diagnoses clearly, involve you in every decision, and build the kind of long-term relationship that makes preventive care truly effective.

Unhurried appointments
Clear, jargon-free explanations
Collaborative treatment plans
Continuity of care
Our Philosophy

Healthcare Should Feel
Like a Partnership

At Dr. Tamasan's practice, you're not a patient number — you're a person with a unique history, goals, and concerns. We take the time to understand what matters to you, then build a care plan that fits your life, not the other way around.

01

Listen

Every visit starts with you — your symptoms, your questions, your priorities. We give you the space to be heard.

02

Understand

We put the pieces together — your history, your labs, your lifestyle — to see the full picture before recommending anything.

03

Act Together

Decisions are made with you, not for you. You'll always know the why behind every recommendation and have a real voice in your care.

Plan Your Visit

Everything You
Need to Know

Location

1108 E Katella Ave
Orange, CA 92867-5043

Get Directions

Phone

(714) 633-7933

Call to Schedule

Office Hours

Monday – Friday: 9:00 AM – 5:00 PM
Saturday – Sunday: Closed

Contact us for after-hours info

Ready to Experience a Different Kind of Care?

Take the first step toward healthier, happier living. Schedule your appointment with Dr. Delia Tamasan today — your future self will thank you.

Call (714) 633-7933 Send a Message
Get in Touch

We'd Love to
Hear from You

Have a question or ready to schedule? Reach out using any of the methods below, or fill out the form and we'll get back to you promptly.

Address

1108 E Katella Ave
Orange, CA 92867-5043

Office Hours

Mon – Fri: 9:00 AM – 5:00 PM
Sat – Sun: Closed

Send a Message

Is this your business?This is my business