Tammy Johnson, R.D.
NPI 1437133147 · Registered Dietitian · Phoenix, AZ
Tammy Johnson, R.D. is a Registered Dietitian provider in Phoenix, AZ (NPI 1437133147).
Provider details
- NPI number
- 1437133147
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- R.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 718635
Specialties & taxonomies
Dietary & Nutritional Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-12-06
- Last updated
- 2020-10-16
- Certified
- 2020-10-16
Frequently asked questions
- What is Tammy Johnson's NPI number?
- Tammy Johnson's National Provider Identifier (NPI) is 1437133147, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Johnson's specialty?
- Tammy Johnson is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Tammy Johnson located?
- Tammy Johnson's practice location on file with NPPES is 5777 E Mayo Blvd, Phoenix, AZ 85054-4502.
- What is Tammy Johnson's phone number?
- The practice phone number listed in the NPPES registry for Tammy Johnson is (480) 301-8000.
- Is Tammy Johnson's NPI active?
- Yes — Tammy Johnson's NPI (1437133147) is active in the NPPES registry as of the last update on 2020-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.