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

Dr. John Wang, MD

Individual provider Internal Medicine Physician · NPI 1659639607

Dr. John Wang, MD is an Internal Medicine in Austin, Texas. Graduated from Tulane University School of Medicine in 2012, 14 years ago. Practices with The Austin Diagnostic Clinic PLLC, a 87-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Texas.

Years since qualifying
14
Trained at
Tulane University School of Medicine
Licensed in
CA, TX
In the registry since
2012
Specialties on file
2
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

12221 N Mopac Expy
Austin, TX 78758
Phone: (512) 901-4009
Fax: (512) 901-3909
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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 R7139 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence 142039 (CA)

Record details

NPI number1659639607
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 27, 2012
Last updated in NPPESNovember 14, 2023
Certification dateNovember 14, 2023
Mailing address12221 N Mopac Expy, Austin, TX 78758-2483

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice The Austin Diagnostic Clinic Pllc — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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