IndividualActive
Mallory Mcmahan
NPI 1538032719 · Registered Dietitian · Mount Vernon, IL
Mallory Mcmahan is a Registered Dietitian provider in Mount Vernon, IL (NPI 1538032719).
Provider details
- NPI number
- 1538032719
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 164022538 (IL)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
14521 N Mccauley Ln
Mount Vernon, IL 62864-7969
Phone: (618) 335-2092
Street-level locationGet directions
Mailing address
Po Box 18
Dix, IL 62830-0018
Registry dates
- Enumerated
- 2025-09-24
- Last updated
- 2025-10-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Mallory Mcmahan's NPI number?
- Mallory Mcmahan's National Provider Identifier (NPI) is 1538032719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Mcmahan's specialty?
- Mallory Mcmahan is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Mallory Mcmahan located?
- Mallory Mcmahan's practice location on file with NPPES is 14521 N Mccauley Ln, Mount Vernon, IL 62864-7969.
- What is Mallory Mcmahan's phone number?
- The practice phone number listed in the NPPES registry for Mallory Mcmahan is (618) 335-2092.
- Is Mallory Mcmahan's NPI active?
- Yes — Mallory Mcmahan's NPI (1538032719) is active in the NPPES registry as of the last update on 2025-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.