Quick answers
- Which hospitals does Mark Chang work at?
- Medicare's official clinician data lists Mark Chang at 2 hospitals: Good Samaritan Hospital of Suffern and Nyack Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Chang see patients?
- Medicare's clinician data lists 1 practice location in Seaford, NY. Call before your visit to confirm the address.
- What is Mark Chang's specialty?
- Medicare lists Urology as the primary specialty.
- Does Mark Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Chang 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.
- Does Mark Chang offer telehealth?
- Medicare's clinician data says Mark Chang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark Chang?
- (516) 520-8080, as listed in official Medicare / NPI Registry data.
- What is Mark Chang's NPI number?
- 1356564934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark Chang works
Medicare's Facility Affiliation Data lists Mark Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Good Samaritan Hospital of SuffernSuffern, NY · Acute Care Hospital · CCN 330158
- Nyack HospitalNyack, NY · Acute Care Hospital · CCN 330104
Practice locations
Addresses where Mark Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 4100 Duff Pl, ASeaford, NY 11783 (516) 520‑8080
Group practices
Medicare enrollment lists Mark Chang as a member of this group (CMS data updated 2026-10-02).
- Integrated Medical Professionals PLLC91 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Seaford
Clinicians with the same Medicare primary specialty in Seaford, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Jefferson Medical College Of Thomas Jefferson University |
| Graduation year | 1999 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1356564934 |
| 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