Natalie Claassen, MS, RD
NPI 1144068099 · Registered Dietitian · Tempe, AZ
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Claassen, MS, RD is a Registered Dietitian provider in Tempe, AZ (NPI 1144068099).
Provider details
- NPI number
- 1144068099
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD
- Sex
- Female
- Sole proprietor
- No
- License
- 86325670 (AZ)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2024-07-16
- Last updated
- 2024-07-16
- Certified
- 2024-07-16
Frequently asked questions
- What is Natalie Claassen's NPI number?
- Natalie Claassen's National Provider Identifier (NPI) is 1144068099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Claassen's specialty?
- Natalie Claassen is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Natalie Claassen located?
- Natalie Claassen's practice location on file with NPPES is 1840 E Broadway Rd, Tempe, AZ 85282-1614.
- What is Natalie Claassen's phone number?
- The practice phone number listed in the NPPES registry for Natalie Claassen is (602) 243-7277.
- Does Natalie Claassen accept Medicare?
- Natalie Claassen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Claassen's NPI active?
- Yes — Natalie Claassen's NPI (1144068099) is active in the NPPES registry as of the last update on 2024-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.