Quick answers
- Where does Daniel L. Marier see patients?
- Medicare's clinician data lists 1 practice location in Pendleton, OR. Call before your visit to confirm the address.
- What is Daniel L. Marier's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Addiction Medicine.
- Does Daniel L. Marier accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel L. Marier 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 Daniel L. Marier?
- (541) 663-4104, as listed in official Medicare / NPI Registry data.
- What is Daniel L. Marier's NPI number?
- 1528058369. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Daniel L. Marier is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 SE Hailey Ave, Suite 204Pendleton, OR 97801 (541) 663‑4104
Group practices
Medicare enrollment lists Daniel L. Marier as a member of this group (CMS data updated 2026-10-02).
- Oregon Washington Health Network3 clinicians in the group
Specialties
- Internal Medicineprimary
- Addiction Medicinealso
Other internal medicine doctors in Pendleton
Clinicians with the same Medicare primary specialty in Pendleton, OR — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528058369 |
| 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
- 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