Quick answers
- Which hospitals does Gregory A. Cost work at?
- Medicare's official clinician data lists Gregory A. Cost at 5 hospitals: Legacy Emanuel Medical Center, Legacy Good Samaritan Medical Center, Legacy Meridian Park Medical Center, Legacy Mount Hood Medical Center and Providence St Vincent Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory A. Cost see patients?
- Medicare's clinician data lists 4 practice locations, including Portland, OR and Tualatin, OR. Call before your visit to confirm the address.
- What is Gregory A. Cost's specialty?
- Medicare lists Urology as the primary specialty.
- Does Gregory A. Cost accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory A. Cost 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 Gregory A. Cost offer telehealth?
- Medicare's clinician data says Gregory A. Cost offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Gregory A. Cost?
- (503) 692-4820, as listed in official Medicare / NPI Registry data.
- What is Gregory A. Cost's NPI number?
- 1104987635. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory A. Cost works
Medicare's Facility Affiliation Data lists Gregory A. Cost at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Legacy Emanuel Medical CenterPortland, OR · Acute Care Hospital · CCN 380007
- Legacy Good Samaritan Medical CenterPortland, OR · Acute Care Hospital · CCN 380017
- Legacy Meridian Park Medical CenterTualatin, OR · Acute Care Hospital · CCN 380089
- Legacy Mount Hood Medical CenterGresham, OR · Acute Care Hospital · CCN 380025
- Providence St Vincent Medical CenterPortland, OR · Acute Care Hospital · CCN 380004
Practice locations
Addresses where Gregory A. Cost is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 NE 99th AvePortland, OR 97220
- 19250 SW 65th Ave, Suite 235Tualatin, OR 97062 (503) 692‑4820
- 501 N Graham St, Suite 420Portland, OR 97227 (503) 288‑7303
- 5050 NE Hoyt, Suite 655Portland, OR 97213 (503) 239‑6673
Group practices
Medicare enrollment lists Gregory A. Cost as a member of this group (CMS data updated 2026-10-02).
- The Oregon Clinic, PC362 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Pittsburgh School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1104987635 |
| 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