Dr. Johnny Wu, MD

  • Fullerton, CA
  • Internist
NPI1457477853
Publications
6
Hospital affiliations
1
Industry payments
$9,896
State licenses
2
Year NPI issued
2007
Practice address
101 E. Valencia Mesa Drive, Fullerton, CA 92835
Practice phone
Call (714) 578-8706
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

St. Jude Medical Center - Unit

Acute Care Hospital-Unit · Fullerton, California

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Dr. Johnny Wu is an internist in Fullerton, California

Dr. Wu practices at St. Jude Medical Center - Unit in Fullerton, California.

Dr. Wu's NPI, 1457477853, was assigned on March 21, 2007. Dr. Wu holds Virginia license 0101271170.

NPI and contact details
NPI enumeration date
March 21, 2007
NPI status
Active
Practice phone
(714) 578-8706
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Johnny Wu practices at St. Jude Medical Center - Unit in Fullerton, California

Dr. Wu's primary practice is St. Jude Medical Center - Unit, at 101 E. Valencia Mesa Drive, Fullerton, CA 92835 in Orange County. The practice phone is (714) 578-8706.

  • St. Jude Medical Center - Unit
    101 E. Valencia Mesa Drive, Fullerton, CA 92835 · Orange CountyPhone(714) 578-8706

Source: Dmand AI Affiliation Data

Dr. Johnny Wu is affiliated with 1 site of care

Dr. Wu's primary practice is St. Jude Medical Center - Unit in Fullerton, California.

St. Jude Medical Center - UnitAcute Care Hospital-Unit · Fullerton, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Johnny Wu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Wu practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Jude Medical Center - UnitAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Johnny Wu is one of 16,751 internists in California

Internal medicine is Dr. Wu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Wu's licenses on file in 2 states: Virginia and New Jersey.

Specialties and state licenses

  • Internal medicine, VirginiaPrimaryLicense 0101271170 · taxonomy 207R00000X
  • New Jersey licenseLicense MA07310800

Internists near Dr. Wu

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Johnny Wu's patients have a median age of 39

Across all payers, Dmand AI patient panel data puts Dr. Wu's median patient age at 39, with 60% women.

Dr. Wu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 39

Patient panel by sex, all payers

  • Women60%
  • Men40%

Source: Dmand AI Patient Panel Data

Dr. Johnny Wu has 6 publications on record

Dmand AI links 6 papers to Dr. Wu, published from 2010 to 2016. The most frequent topics are Child Behavior Disorders, Attention Deficit and Disruptive Behavior Disorders and Conduct Disorder. Dr. Wu's most frequent co-authors are Kevin Michael King, MD, Seth M. Powsner, MD and Elmer V. Bernstam, MD.

Papers6
Years published2010 to 2016

Dr. Wu's papers by year, 2010 to 2016

Topics Dr. Wu writes about most

  • Child Behavior Disorders
  • Attention Deficit and Disruptive Behavior Disorders
  • Conduct Disorder
  • Faculty

Dr. Wu's most frequent co-authors

Recent publications by Dr. Wu

See all 6 publications and co-authors

See who Dr. Wu researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Wu works with, so you can find a warm path to the right internists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Johnny Wu received $9,896 in industry payments from 2017 to 2025

CMS Open Payments shows 38 general payments to Dr. Wu from 6 drug and device companies from 2017 to 2025. Consulting fees make up the largest share, 61% of the total. Gilead Sciences, Inc. paid the most, $9,037.

General payments to Dr. Wu by program year, 2017 to 2025

General payments to Dr. Wu by kind, 2017 to 2025

$9.9Kin total
  • Consulting fees$5,99061%
  • Travel and lodging$2,03521%
  • Food and beverage$1,87119%

Companies that paid Dr. Wu the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Wu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Johnny Wu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Johnny Wu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Johnny Wu's NPI number?

Dr. Johnny Wu's NPI number is 1457477853. It was assigned on March 21, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Johnny Wu?

Dr. Johnny Wu is an internist in Fullerton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Johnny Wu practice?

Dr. Wu practices at 101 E. Valencia Mesa Drive, Fullerton, CA 92835. Dr. Wu's primary practice is St. Jude Medical Center - Unit in Fullerton, California.

What is Dr. Johnny Wu's office phone number?

The practice phone on file for Dr. Wu is (714) 578-8706.

What is Dr. Johnny Wu's medical license number?

Dr. Wu holds Virginia license 0101271170, one of the licenses on file in 2 states.

Which states has Dr. Johnny Wu been licensed in?

Dmand AI has state licenses on file for Dr. Wu in Virginia and New Jersey.

Has Dr. Johnny Wu received payments from drug or device companies?

CMS Open Payments shows $9,896 in general payments to Dr. Wu from 6 companies from 2017 to 2025. The largest total came from Gilead Sciences, Inc.

How long has Dr. Johnny Wu been practicing?

Dr. Wu's NPI was assigned in 2007.

Does Dr. Johnny Wu do research?

Dmand AI links 6 publications to Dr. Wu, published from 2010 to 2016.

Who does Dr. Johnny Wu publish with?

Dr. Wu's most frequent co-authors are Kevin Michael King, MD (3 shared papers), Seth M. Powsner, MD (2 shared papers) and Elmer V. Bernstam, MD (1 shared paper).

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