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

Dr. Chang-Kun Charles Choi, DO

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1760577241

Dr. Chang-Kun Charles Choi, DO is a Pulmonary Disease in Tucson, Arizona. Graduated from Midwestern University College of Dental Medicine, Glendale in 2004, 22 years ago. Practices as a sole proprietor, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
22
Trained at
Midwestern University College of Dental Medicine, Glendale
Licensed in
AZ
In the registry since
2006
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

5301 E Grant Rd
Tucson, AZ 85712-2805
Phone: (520) 324-5664
Fax: (520) 324-4156
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1100 Central Ave Se, Albuquerque, NM 87106-4930 — (505) 724-6124

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 286086 (AZ)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 4476 (AZ)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 4476 (AZ)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 4476 (AZ)

Record details

NPI number1760577241
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 3, 2006
Last updated in NPPESMarch 2, 2022
Certification dateMarch 2, 2022

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE, SLEEP MEDICINE
Medical schoolMIDWESTERN UNIVERSITY COLLEGE OF DENTAL MEDICINE, GLENDALE
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Tucson