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Lydia Merrigan, RD, LD
NPI 1538414206 · Registered Dietitian · Portland, OR
Lydia Merrigan, RD, LD is a Registered Dietitian provider in Portland, OR (NPI 1538414206).
Provider details
- NPI number
- 1538414206
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- Yes
- License
- LD-D-000331 (OR)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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.
Practice location
830 Ne 47th Ave
Portland, OR 97213-2212
Phone: (503) 215-2404
Fax: (503) 215-0056
Street-level locationGet directions
Mailing address
830 Ne 47th Avenue
Portland, OR 97213-2212
Registry dates
- Enumerated
- 2012-07-19
- Last updated
- 2012-07-19
Frequently asked questions
- What is Lydia Merrigan's NPI number?
- Lydia Merrigan's National Provider Identifier (NPI) is 1538414206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lydia Merrigan's specialty?
- Lydia Merrigan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Lydia Merrigan located?
- Lydia Merrigan's practice location on file with NPPES is 830 Ne 47th Ave, Portland, OR 97213-2212.
- What is Lydia Merrigan's phone number?
- The practice phone number listed in the NPPES registry for Lydia Merrigan is (503) 215-2404.
- Is Lydia Merrigan's NPI active?
- Yes — Lydia Merrigan's NPI (1538414206) is active in the NPPES registry as of the last update on 2012-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.