Nicolette Leffler, RD
NPI 1457283673 · Registered Dietitian · Costa Mesa, CA
Nicolette Leffler, RD is a Registered Dietitian provider in Costa Mesa, CA (NPI 1457283673).
Provider details
- NPI number
- 1457283673
- Entity type
- Individual
- Primary specialty
- Registered DietitianDietary & Nutritional Service Providers
- Credential
- RD
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Dietary & Nutritional Service Providers
- Health & Wellness Coach171400000X
Other Service Providers
Profile Score
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
83% 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
- 2026-06-01
- Last updated
- 2026-06-01
- Certified
- 2026-06-01
Frequently asked questions
- What is Nicolette Leffler's NPI number?
- Nicolette Leffler's National Provider Identifier (NPI) is 1457283673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicolette Leffler's specialty?
- Nicolette Leffler is listed in the NPPES registry with a primary specialty of Registered Dietitian (Dietary & Nutritional Service Providers).
- Where is Nicolette Leffler located?
- Nicolette Leffler's practice location on file with NPPES is 267 Hanover Dr, Costa Mesa, CA 92626-6173.
- What is Nicolette Leffler's phone number?
- The practice phone number listed in the NPPES registry for Nicolette Leffler is (949) 342-4020.
- Is Nicolette Leffler's NPI active?
- Yes — Nicolette Leffler's NPI (1457283673) is active in the NPPES registry as of the last update on 2026-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.