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Brittany Mackay, BS
NPI 1891312203 · Registered Dietitian · Glendale, AZ
Brittany Mackay, BS is a Registered Dietitian provider in Glendale, AZ (NPI 1891312203).
Provider details
- NPI number
- 1891312203
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- BS
- Sex
- Female
- Sole proprietor
- No
- License
- 86114224 (CO)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(64/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
18001 N 79th Ave Ste A12
Glendale, AZ 85308-8398
Phone: (623) 399-6825
Fax: (623) 505-3474
Street-level locationGet directions
Mailing address
18001 N 79th Ave Ste A12
Glendale, AZ 85308-8398
Registry dates
- Enumerated
- 2020-07-01
- Last updated
- 2022-02-23
- Certified
- 2022-02-23
Frequently asked questions
- What is Brittany Mackay's NPI number?
- Brittany Mackay's National Provider Identifier (NPI) is 1891312203, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brittany Mackay's specialty?
- Brittany Mackay is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Brittany Mackay located?
- Brittany Mackay's practice location on file with NPPES is 18001 N 79th Ave Ste A12, Glendale, AZ 85308-8398.
- What is Brittany Mackay's phone number?
- The practice phone number listed in the NPPES registry for Brittany Mackay is (623) 399-6825.
- Is Brittany Mackay's NPI active?
- Yes — Brittany Mackay's NPI (1891312203) is active in the NPPES registry as of the last update on 2022-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.