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

Dr. Joseph Yun Jo Chang, MD

Individual provider Gastroenterology Physician · NPI 1417968256

Dr. Joseph Yun Jo Chang, MD is a Gastroenterology in Denver, Colorado. Qualified in 2005, 21 years ago. Practices with Altru Health System, a 667-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Colorado and Washington.

Years since qualifying
21
Licensed in
CO, WA
In the registry since
2006
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

777 Bannock St # MC3240
Denver, CO 80204-4507
Phone: (303) 436-6000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 10350 E Dakota Ave, Denver, CO 80247-1314 — (303) 338-4545
  • 210 9th St Se Ste 1, Rochester, MN 55904 — (507) 288-3443
  • 505 Ne 87th Ave Ste 301, Vancouver, WA 98664-1965 — (360) 514-7274

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence DR.0070441 (CO)
Gastroenterology Physician Taxonomy 207RG0100X · Licence MD60212074 (WA)

Record details

NPI number1417968256
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 10, 2006
Last updated in NPPESAugust 9, 2023
Certification dateAugust 9, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Altru Health System — 667 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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