Katherine Shadish, PHD
NPI 1336589043 · Clinical Psychologist · San Mateo, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Shadish, PHD is a Clinical Psychologist provider in San Mateo, CA (NPI 1336589043).
Provider details
- NPI number
- 1336589043
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 yrs in NPPES 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
- 2013-06-26
- Last updated
- 2019-01-15
Frequently asked questions
- What is Katherine Shadish's NPI number?
- Katherine Shadish's National Provider Identifier (NPI) is 1336589043, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Shadish's specialty?
- Katherine Shadish is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Katherine Shadish located?
- Katherine Shadish's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Katherine Shadish's phone number?
- The practice phone number listed in the NPPES registry for Katherine Shadish is (408) 975-2730.
- Does Katherine Shadish accept Medicare?
- Katherine Shadish is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Shadish's NPI active?
- Yes — Katherine Shadish's NPI (1336589043) is active in the NPPES registry as of the last update on 2019-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.