Samuel Roberts, DO
NPI 1831775220 · Nephrology Physician · Portland, OR
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Roberts, DO is a Nephrology Physician provider in Portland, OR (NPI 1831775220).
Provider details
- NPI number
- 1831775220
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- PG226441 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 30 |
| Omeprazole | 22 |
| Sertraline Hcl | 20 |
| Apixabanbrand: Eliquis | 17 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 15 |
| Gabapentin | 15 |
| Olanzapine | 15 |
| Potassium Chloride | 14 |
| Carvedilol | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-03-24
- Last updated
- 2025-11-26
- Certified
- 2025-11-26
Frequently asked questions
- What is Samuel Roberts's NPI number?
- Samuel Roberts's National Provider Identifier (NPI) is 1831775220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Roberts's specialty?
- Samuel Roberts is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Roberts located?
- Samuel Roberts's practice location on file with NPPES is 3270 Sw Pavilion Loop, Portland, OR 97239.
- What is Samuel Roberts's phone number?
- The practice phone number listed in the NPPES registry for Samuel Roberts is (503) 494-3442.
- Does Samuel Roberts accept Medicare?
- Samuel Roberts is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Roberts's NPI active?
- Yes — Samuel Roberts's NPI (1831775220) is active in the NPPES registry as of the last update on 2025-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.