Joanna Wallace, PHD
NPI 1811058431 · Clinical Neuropsychologist · Palo Alto, CA
Joanna Wallace, PHD is a Clinical Neuropsychologist provider in Palo Alto, CA (NPI 1811058431).
Provider details
- NPI number
- 1811058431
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 26254 (CA)
Specialties & taxonomies
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
- 2006-12-13
- Last updated
- 2023-08-14
- Certified
- 2023-08-14
Frequently asked questions
- What is Joanna Wallace's NPI number?
- Joanna Wallace's National Provider Identifier (NPI) is 1811058431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Wallace's specialty?
- Joanna Wallace is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Joanna Wallace located?
- Joanna Wallace's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Joanna Wallace's phone number?
- The practice phone number listed in the NPPES registry for Joanna Wallace is (650) 497-8000.
- Is Joanna Wallace's NPI active?
- Yes — Joanna Wallace's NPI (1811058431) is active in the NPPES registry as of the last update on 2023-08-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.