Olivia Simmons, RD, LDN
NPI 1598440422 · Registered Dietitian · Nashville, TN
Enrolled with Medicare as Practitioner - Registered Dietitian Or Nutrition Professional · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Simmons, RD, LDN is a Registered Dietitian provider in Nashville, TN (NPI 1598440422).
Provider details
- NPI number
- 1598440422
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD, LDN
- Sex
- Female
- Sole proprietor
- No
- License
- 3164 (TN)
Specialties & taxonomies
Dietary & Nutritional Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2023-06-19
- Last updated
- 2023-06-19
- Certified
- 2023-06-19
Frequently asked questions
- What is Olivia Simmons's NPI number?
- Olivia Simmons's National Provider Identifier (NPI) is 1598440422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Simmons's specialty?
- Olivia Simmons is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Olivia Simmons located?
- Olivia Simmons's practice location on file with NPPES is 2002 Eastland Ave Ste 101, Nashville, TN 37206-1705.
- What is Olivia Simmons's phone number?
- The practice phone number listed in the NPPES registry for Olivia Simmons is (615) 697-9355.
- Does Olivia Simmons accept Medicare?
- Olivia Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Simmons's NPI active?
- Yes — Olivia Simmons's NPI (1598440422) is active in the NPPES registry as of the last update on 2023-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.