Natalie Zwak, RD, LD
NPI 1437559051 · Registered Dietitian · Duluth, MN
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalie Zwak, RD, LD is a Registered Dietitian provider in Duluth, MN (NPI 1437559051).
Provider details
- NPI number
- 1437559051
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LD
- Sex
- Female
- Sole proprietor
- No
- License
- 3397 (MN)
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
11 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)
- 26 E Superior St Ste 315Duluth, MN 55802Phone: (218) 722-4180
Registry dates
- Enumerated
- 2014-09-02
- Last updated
- 2018-10-24
Frequently asked questions
- What is Natalie Zwak's NPI number?
- Natalie Zwak's National Provider Identifier (NPI) is 1437559051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Zwak's specialty?
- Natalie Zwak is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Natalie Zwak located?
- Natalie Zwak's practice location on file with NPPES is 26 E Superior St Ste 315, Duluth, MN 55802.
- What is Natalie Zwak's phone number?
- The practice phone number listed in the NPPES registry for Natalie Zwak is (218) 722-4180.
- Does Natalie Zwak accept Medicare?
- Natalie Zwak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalie Zwak's NPI active?
- Yes — Natalie Zwak's NPI (1437559051) is active in the NPPES registry as of the last update on 2018-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.