Dr. Johnny Wu, MD

Dr. Johnny Wu, MD

Internist
2141 N Harbor Blvd, Fullerton, CA
5.00
“It was quick, simple, and helpful. Got everything I needed in matter of minutes. They understood my specific request and adapted quickly. ”
Simon B.November 13, 2025
Highly recommended
100% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
Appointments available for new patients on Zocdoc

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Available appointments

Today, Apr 21 – Mon, May 4
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What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00
“It was quick, simple, and helpful. Got everything I needed in matter of minutes. They understood my specific request and adapted quickly. ”
Simon B.November 13, 2025

About Dr. Johnny Wu

Dr. Johnny Wu is a board-certified Internal Medicine physician with St. Jude Heritage Medical Group. He received his medical degree from Saint Louis University in 2019 and finished Internal Medicine residency at the University of Illinois, Chicago in 2022. Dr. Wu's clinical interests include preventative medicine and complex medical care. He believes that an ounce of prevention is worth a pound of cure, and that an empowered, educated patient is a healthy patient. Through good doctor-patient communication, he provides holistic care at all stages of health.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Upper respiratory Infection (URI)
Chronic high blood pressure
High cholesterol
Upper respiratory Infection (URI)
Chronic high blood pressure
High cholesterol

Office location

Dr. Johnny Wu, MD also offers online video visits for patients
St. Jude - Internal Medicine
2141 N Harbor Blvd, Fullerton, CA 92835

Education and background

Practice names

Board certifications

  • American Board of Internal Medicine

Education and training

  • Medical School - Saint Louis University, Doctor of Medicine
  • University of Illinois at Chicago Medical Center (Internship)
  • University of Illinois Chicago, Residency in Internal Medicine

Languages spoken

  • English

Provider's gender

Male

NPI number

1801356290

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
5.00
Bedside manner
5.00
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1 review
Most relevant
It was quick, simple, and helpful. Got everything I needed in matter of minutes. They understood my specific request and adapted quickly.
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Johnny Wu?

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Is Dr. Johnny Wu accepting new patients?

Dr. Johnny Wu generally accepts new patients on Zocdoc. You can see Dr. Wu's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Johnny Wu accept my insurance?

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Can I make an appointment with Dr. Johnny Wu online?

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What practice does Dr. Johnny Wu work with?

Where is Dr. Johnny Wu's office located?

Dr. Johnny Wu has 2 office locations in Fullerton, view full addresses on Dr. Wu's profile.

Which board certifications does Dr. Johnny Wu have?

Dr. Johnny Wu is certified by American Board of Internal Medicine.

What are common reasons for patients to see Dr. Johnny Wu?

Dr. Johnny Wu frequently sees patients for Chiropractic Consultation, Hand Problems, Hearing Problems, Illness, and Infection Consultation. You can see other visit reasons for Dr. Johnny Wu on their profile.

What languages does Dr. Johnny Wu speak?

Dr. Johnny Wu speaks English.

How do patients rate Dr. Johnny Wu in reviews?

1 patients have reviewed Dr. Johnny Wu. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.

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