Malissa Warren, R.D.
NPI 1831100940 · Registered Dietitian · Portland, OR
Malissa Warren, R.D. is a Registered Dietitian provider in Portland, OR (NPI 1831100940).
Provider details
- NPI number
- 1831100940
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 10158606 (OR)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 3710 Sw US Veterans Hospital RdPortland, OR 97239-2964Phone: (503) 220-8262
Registry dates
- Enumerated
- 2006-08-11
- Last updated
- 2018-03-17
Frequently asked questions
- What is Malissa Warren's NPI number?
- Malissa Warren's National Provider Identifier (NPI) is 1831100940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Malissa Warren's specialty?
- Malissa Warren is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Malissa Warren located?
- Malissa Warren's practice location on file with NPPES is 3303 Sw Bond Ave, Portland, OR 97239-4501.
- What is Malissa Warren's phone number?
- The practice phone number listed in the NPPES registry for Malissa Warren is (503) 494-4373.
- Is Malissa Warren's NPI active?
- Yes — Malissa Warren's NPI (1831100940) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.