Quick answers
- Which hospitals does Mark H. Tseng work at?
- Medicare's official clinician data lists Mark H. Tseng at 1 hospital: Multicare Auburn Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark H. Tseng see patients?
- Medicare's clinician data lists 2 practice locations, including Kirkland, WA and Auburn, WA. Call before your visit to confirm the address.
- What is Mark H. Tseng's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Mark H. Tseng accept Medicare assignment?
- Yes. Medicare's clinician data says Mark H. Tseng 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 Mark H. Tseng?
- (253) 736-2818, as listed in official Medicare / NPI Registry data.
- What is Mark H. Tseng's NPI number?
- 1669631651. 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 H. Tseng works
Medicare's Facility Affiliation Data lists Mark H. Tseng at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Multicare Auburn Medical CenterAuburn, WA · Acute Care Hospital · CCN 500015
Practice locations
Addresses where Mark H. Tseng is enrolled with Medicare (CMS data updated 2026-10-02).
- 11415 Slater Ave NE, Suite 104Kirkland, WA 98033 (253) 736‑2818
- 4329 A St SEAuburn, WA 98002 (253) 736‑2818
Specialties
- General Surgeryprimary
Other general surgeons in Kirkland
Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669631651 |
| 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