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

Dr. Joseph D Chun, MD

Individual provider Internal Medicine Physician · NPI 1710015425

Dr. Joseph D Chun, MD is an Internal Medicine in Fullerton, California. Graduated from University of California, Geffen School of Medicine in 1984, 42 years ago. Practices with Healthcare Partners Affiliates Medical Group, a 790-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
42
Trained at
University of California, Geffen School of Medicine
Licensed in
CA
In the registry since
2007
Specialties on file
3
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

1501 W Commonwealth Ave
Fullerton, CA 92833-2727
Phone: (714) 410-3100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6261 Stanton Ave, Buena Park, CA 90621-2436 — (714) 739-4325

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence G61950 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G61950 (CA)
Pediatrics Physician Taxonomy 208000000X · Licence G61950 (CA)

Record details

NPI number1710015425
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 2, 2007
Last updated in NPPESFebruary 4, 2026
Certification dateFebruary 4, 2026
Mailing addressPo Box 35380, Las Vegas, NV 89133-5380

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesALLERGY/IMMUNOLOGY, PEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Healthcare Partners Affiliates Medical Group — 790 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations6 on file with Medicare

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