Quick answers
- Which hospitals does Mara B. Peterson work at?
- Medicare's official clinician data lists Mara B. Peterson at 2 hospitals: Providence Milwaukie Hospital and Providence Willamette Falls Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mara B. Peterson see patients?
- Medicare's clinician data lists 7 practice locations, including Newberg, OR, Milwaukie, OR and Portland, OR. Call before your visit to confirm the address.
- What is Mara B. Peterson's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mara B. Peterson accept Medicare assignment?
- Yes. Medicare's clinician data says Mara B. Peterson 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 Mara B. Peterson?
- (503) 537-5612, as listed in official Medicare / NPI Registry data.
- What is Mara B. Peterson's NPI number?
- 1659950194. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mara B. Peterson works
Medicare's Facility Affiliation Data lists Mara B. Peterson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Milwaukie HospitalMilwaukie, OR · Acute Care Hospital · CCN 380082
- Providence Willamette Falls Medical CenterOregon City, OR · Acute Care Hospital · CCN 380038
Practice locations
Addresses where Mara B. Peterson is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 1001 N Providence DrNewberg, OR 97132 (503) 537‑5612
- 1003 N Providence Dr, Suite 325Newberg, OR 97132 (503) 216‑1661
- 10150 SE 32nd AveMilwaukie, OR 97222 (503) 513‑3613
- 1321 NE 99th Ave, Suite 200Portland, OR 97220 (503) 215‑4250
- 1500 Division StOregon City, OR 97045 (503) 557‑2136
Group practices
Medicare enrollment lists Mara B. Peterson 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 Newberg
Clinicians with the same Medicare primary specialty in Newberg, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659950194 |
| 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