What is Courtney Castler's NPI number?

Courtney Castler's National Provider Identifier (NPI) is 1720878804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Courtney Castler's specialty?

Courtney Castler is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).

Where is Courtney Castler located?

Courtney Castler's practice location on file with NPPES is 5441 S Macadam Ave Ste N, Portland, OR 97239-6106.

What is Courtney Castler's phone number?

The practice phone number listed in the NPPES registry for Courtney Castler is (509) 768-2249.

Is Courtney Castler's NPI active?

Yes — Courtney Castler's NPI (1720878804) is active in the NPPES registry as of the last update on 2025-05-12.

IndividualActive

Courtney Castler

NPI 1720878804 · Nutritionist · Portland, OR

Courtney Castler is a Nutritionist provider in Portland, OR (NPI 1720878804).

Provider details

NPI number: 1720878804
Entity type: Individual
Primary specialty: NutritionistDietary & Nutritional Service Providers
Sex: Female
Sole proprietor: Yes

Practice location

5441 S Macadam Ave Ste N

Portland, OR 97239-6106

Phone: (509) 768-2249

Approximate (ZIP-level) locationGet directions

More OR providers

Mailing address

5441 S Macadam Ave Ste N

Portland, OR 97239-6106

Specialties & taxonomies

NutritionistPrimary133N00000X
Dietary & Nutritional Service Providers

Profile Score

Basic profile(49/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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.

Enumerated: 2025-05-12
Last updated: 2025-05-12
Certified: 2025-05-10

Frequently asked questions

What is Courtney Castler's NPI number?: Courtney Castler's National Provider Identifier (NPI) is 1720878804, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Courtney Castler's specialty?: Courtney Castler is listed in the NPPES registry with a primary specialty of Nutritionist (Dietary & Nutritional Service Providers).
Where is Courtney Castler located?: Courtney Castler's practice location on file with NPPES is 5441 S Macadam Ave Ste N, Portland, OR 97239-6106.
What is Courtney Castler's phone number?: The practice phone number listed in the NPPES registry for Courtney Castler is (509) 768-2249.
Is Courtney Castler's NPI active?: Yes — Courtney Castler's NPI (1720878804) is active in the NPPES registry as of the last update on 2025-05-12.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions