Quick answers
- Which hospitals does Mark S. Puscas work at?
- Medicare's official clinician data lists Mark S. Puscas at 1 hospital: Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark S. Puscas see patients?
- Medicare's clinician data lists 2 practice locations, including Canby, OR and Portland, OR. Call before your visit to confirm the address.
- What is Mark S. Puscas's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark S. Puscas accept Medicare assignment?
- Yes. Medicare's clinician data says Mark S. Puscas 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 S. Puscas?
- (203) 263-9500, as listed in official Medicare / NPI Registry data.
- What is Mark S. Puscas's NPI number?
- 1982717583. 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 S. Puscas works
Medicare's Facility Affiliation Data lists Mark S. Puscas at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Mark S. Puscas is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 S Hazel Dell WayCanby, OR 97013 (203) 263‑9500
- 5050 NE Hoyt St, Suite 240Portland, OR 97213 (503) 215‑6480
Group practices
Medicare enrollment lists Mark S. Puscas as a member of this group (CMS data updated 2026-10-02).
- Providence Health and Services Oregon1,433 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas Medical School At San Antonio |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982717583 |
| 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