Nancy Sullivan, PH.D.
NPI 1215952759 · Clinical Neuropsychologist · Palo Alto, CA
Nancy Sullivan, PH.D. is a Clinical Neuropsychologist provider in Palo Alto, CA (NPI 1215952759).
Provider details
- NPI number
- 1215952759
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY15181 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-07-13
- Last updated
- 2009-10-05
Frequently asked questions
- What is Nancy Sullivan's NPI number?
- Nancy Sullivan's National Provider Identifier (NPI) is 1215952759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Sullivan's specialty?
- Nancy Sullivan is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Nancy Sullivan located?
- Nancy Sullivan's practice location on file with NPPES is 2555 Park Blvd, Palo Alto, CA 94306-1924.
- What is Nancy Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Nancy Sullivan is (650) 245-8685.
- Is Nancy Sullivan's NPI active?
- Yes — Nancy Sullivan's NPI (1215952759) is active in the NPPES registry as of the last update on 2009-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.