Quick answers
- Where does John Z. Chen see patients?
- Medicare's clinician data lists 2 practice locations, including Tucson, AZ. Call before your visit to confirm the address.
- What is John Z. Chen's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does John Z. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says John Z. Chen 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 John Z. Chen?
- (520) 293-5757, as listed in official Medicare / NPI Registry data.
- What is John Z. Chen's NPI number?
- 1942209887. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John Z. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1595 E River Rd, Suite 151Tucson, AZ 85718 (520) 293‑5757
- 1595 E River Rd, Suite 201Tucson, AZ 85718
Group practices
Medicare enrollment lists John Z. Chen as a member of these groups (CMS data updated 2026-10-02).
- Forefront Dermatology SC662 clinicians in the group
- Sheftel and Associates Dermatology LLP18 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Tucson
Clinicians with the same Medicare primary specialty in Tucson, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942209887 |
| 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
- 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