Hillary Howarth, PSYD
NPI 1336447259 · Clinical Psychologist · San Francisco, CA
Hillary Howarth, PSYD is a Clinical Psychologist provider in San Francisco, CA (NPI 1336447259).
Provider details
- NPI number
- 1336447259
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PSY23102 (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
15 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
- 2011-03-01
- Last updated
- 2011-03-01
Frequently asked questions
- What is Hillary Howarth's NPI number?
- Hillary Howarth's National Provider Identifier (NPI) is 1336447259, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hillary Howarth's specialty?
- Hillary Howarth is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Hillary Howarth located?
- Hillary Howarth's practice location on file with NPPES is 2485 Clay St, San Francisco, CA 94115-1833.
- What is Hillary Howarth's phone number?
- The practice phone number listed in the NPPES registry for Hillary Howarth is (415) 506-9175.
- Is Hillary Howarth's NPI active?
- Yes — Hillary Howarth's NPI (1336447259) is active in the NPPES registry as of the last update on 2011-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.