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Siena Whitham, PH.D.
NPI 1629627914 · Clinical Psychologist · Los Gatos, CA
Siena Whitham, PH.D. is a Clinical Psychologist provider in Los Gatos, CA (NPI 1629627914).
Provider details
- NPI number
- 1629627914
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY31047 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
15814 Winchester Blvd Ste 105
Los Gatos, CA 95030-3333
Phone: (413) 345-5226
Street-level locationGet directions
Mailing address
15814 Winchester Blvd Ste 105
Los Gatos, CA 95030-3333
Registry dates
- Enumerated
- 2019-09-09
- Last updated
- 2019-09-09
Frequently asked questions
- What is Siena Whitham's NPI number?
- Siena Whitham's National Provider Identifier (NPI) is 1629627914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siena Whitham's specialty?
- Siena Whitham is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Siena Whitham located?
- Siena Whitham's practice location on file with NPPES is 15814 Winchester Blvd Ste 105, Los Gatos, CA 95030-3333.
- What is Siena Whitham's phone number?
- The practice phone number listed in the NPPES registry for Siena Whitham is (413) 345-5226.
- Is Siena Whitham's NPI active?
- Yes — Siena Whitham's NPI (1629627914) is active in the NPPES registry as of the last update on 2019-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.