Quick answers
- Which hospitals does Wookjin Chun work at?
- Medicare's official clinician data lists Wookjin Chun at 1 hospital: Banner Baywood Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Wookjin Chun see patients?
- Medicare's clinician data lists 2 practice locations, including Surprise, AZ and Mesa, AZ. Call before your visit to confirm the address.
- What is Wookjin Chun's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Wookjin Chun accept Medicare assignment?
- Yes. Medicare's clinician data says Wookjin Chun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Wookjin Chun?
- (623) 594-5675, as listed in official Medicare / NPI Registry data.
- What is Wookjin Chun's NPI number?
- 1689688699. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Wookjin Chun works
Medicare's Facility Affiliation Data lists Wookjin Chun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner Baywood Medical CenterMesa, AZ · Acute Care Hospital · CCN 030088
Practice locations
Addresses where Wookjin Chun is enrolled with Medicare (CMS data updated 2026-10-02).
- 14775 W Yorkshire DrSurprise, AZ 85374 (623) 594‑5675
- 6750 E Baywood Ave, Suite 401Mesa, AZ 85206
Group practices
Medicare enrollment lists Wookjin Chun as a member of these groups (CMS data updated 2026-10-02).
- Pulmonary Consultants P.C.34 clinicians in the group
- Z Medicine LLC11 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Surprise
Clinicians with the same Medicare primary specialty in Surprise, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Wayne State University School Of Medicine |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689688699 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians