Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. John Weijune Wang, MD

Individual provider Internal Medicine Physician · NPI 1720048291

Dr. John Weijune Wang, MD is an Internal Medicine in Fountain Valley, California. Graduated from University of Texas Medical School at San Antonio in 1999, 27 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
27
Trained at
University of Texas Medical School at San Antonio
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

18785 Brookhurst St Ste 200
Fountain Valley, CA 92708
Phone: (714) 378-5330
Fax: (657) 276-4743
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A73379 (CA)

Record details

NPI number1720048291
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 27, 2006
Last updated in NPPESJune 11, 2026
Certification dateJune 11, 2026
Mailing address18785 Brookhurst St., Suite 200, Fountain Valley, CA 92708

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1999 (27 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Fountain Valley