IndividualActive
Mallory Longwell, MS, RD, LD
NPI 1891418547 · Registered Dietitian · Austin, TX
Mallory Longwell, MS, RD, LD is a Registered Dietitian provider in Austin, TX (NPI 1891418547).
Provider details
- NPI number
- 1891418547
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- MS, RD, LD
- Sex
- Female
- Sole proprietor
- No
- License
- DT87204 (TX)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
5225 N Lamar Blvd
Austin, TX 78751-1820
Phone: (512) 472-4357
Street-level locationGet directions
Mailing address
2425 Ashdale Dr Apt 40
Austin, TX 78757-8151
Registry dates
- Enumerated
- 2022-09-19
- Last updated
- 2022-09-19
- Certified
- 2022-09-18
Frequently asked questions
- What is Mallory Longwell's NPI number?
- Mallory Longwell's National Provider Identifier (NPI) is 1891418547, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Longwell's specialty?
- Mallory Longwell is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mallory Longwell located?
- Mallory Longwell's practice location on file with NPPES is 5225 N Lamar Blvd, Austin, TX 78751-1820.
- What is Mallory Longwell's phone number?
- The practice phone number listed in the NPPES registry for Mallory Longwell is (512) 472-4357.
- Is Mallory Longwell's NPI active?
- Yes — Mallory Longwell's NPI (1891418547) is active in the NPPES registry as of the last update on 2022-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.