Susan Sullivan, FNP-C
NPI 1881918399 · Family Nurse Practitioner · San Francisco, CA
Susan Sullivan, FNP-C is a Family Nurse Practitioner provider in San Francisco, CA (NPI 1881918399).
Provider details
- NPI number
- 1881918399
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- RN448192 (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
16 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
- 2010-03-26
- Last updated
- 2010-03-26
Frequently asked questions
- What is Susan Sullivan's NPI number?
- Susan Sullivan's National Provider Identifier (NPI) is 1881918399, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Sullivan's specialty?
- Susan Sullivan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Sullivan located?
- Susan Sullivan's practice location on file with NPPES is 45 Castro St Ste 138, San Francisco, CA 94114-1029.
- What is Susan Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Susan Sullivan is (415) 558-8200.
- Is Susan Sullivan's NPI active?
- Yes — Susan Sullivan's NPI (1881918399) is active in the NPPES registry as of the last update on 2010-03-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.