Beth Siwek, RD, RN, MPH
NPI 1336272087 · Registered Dietitian · Phoenix, AZ
Beth Siwek, RD, RN, MPH is a Registered Dietitian provider in Phoenix, AZ (NPI 1336272087).
Provider details
- NPI number
- 1336272087
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, RN, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- 164.004197 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
- Pediatric Nutrition Registered Dietitian133VN1004X
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)
- 1919 E Thomas RdPhoenix, AZ 85016Phone: (602) 933-1000
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2019-06-25
Frequently asked questions
- What is Beth Siwek's NPI number?
- Beth Siwek's National Provider Identifier (NPI) is 1336272087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Beth Siwek's specialty?
- Beth Siwek is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Beth Siwek located?
- Beth Siwek's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016.
- What is Beth Siwek's phone number?
- The practice phone number listed in the NPPES registry for Beth Siwek is (602) 933-3366.
- Is Beth Siwek's NPI active?
- Yes — Beth Siwek's NPI (1336272087) is active in the NPPES registry as of the last update on 2019-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.