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April Callahan, MS, RD, CDE
NPI 1841542776 · Registered Dietitian · Phoenix, AZ
April Callahan, MS, RD, CDE is a Registered Dietitian provider in Phoenix, AZ (NPI 1841542776).
Provider details
- NPI number
- 1841542776
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, CDE
- Sex
- Female
- Sole proprietor
- No
- License
- 679028 (AZ)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Detailed profile(79/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
1919 E Thomas Rd
Phoenix, AZ 85016-7710
Phone: (602) 933-0935
Fax: (602) 933-0610
Street-level locationGet directions
Mailing address
3200 E Camelback Rd
Phoenix, AZ 85018-2327
Registry dates
- Enumerated
- 2012-10-02
- Last updated
- 2017-06-23
Frequently asked questions
- What is April Callahan's NPI number?
- April Callahan's National Provider Identifier (NPI) is 1841542776, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is April Callahan's specialty?
- April Callahan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is April Callahan located?
- April Callahan's practice location on file with NPPES is 1919 E Thomas Rd, Phoenix, AZ 85016-7710.
- What is April Callahan's phone number?
- The practice phone number listed in the NPPES registry for April Callahan is (602) 933-0935.
- Is April Callahan's NPI active?
- Yes — April Callahan's NPI (1841542776) is active in the NPPES registry as of the last update on 2017-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.