Leah Sullivan, FNP-C
NPI 1538539846 · Family Nurse Practitioner · Huntington Beach, CA
Leah Sullivan, FNP-C is a Family Nurse Practitioner provider in Huntington Beach, CA (NPI 1538539846).
Provider details
- NPI number
- 1538539846
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 95003157 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-09-29
- Last updated
- 2015-09-29
Frequently asked questions
- What is Leah Sullivan's NPI number?
- Leah Sullivan's National Provider Identifier (NPI) is 1538539846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Sullivan's specialty?
- Leah Sullivan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leah Sullivan located?
- Leah Sullivan's practice location on file with NPPES is 17371 Whetmore Ln, Huntington Beach, CA 92647-5647.
- What is Leah Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Leah Sullivan is (714) 362-6964.
- Is Leah Sullivan's NPI active?
- Yes — Leah Sullivan's NPI (1538539846) is active in the NPPES registry as of the last update on 2015-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.