Stephen Sienknecht, PSY.D.
NPI 1316017221 · Clinical Psychologist · Berkeley, CA
Stephen Sienknecht, PSY.D. is a Clinical Psychologist provider in Berkeley, CA (NPI 1316017221).
Provider details
- NPI number
- 1316017221
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY25469 (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
- 2006-11-08
- Last updated
- 2013-02-20
Frequently asked questions
- What is Stephen Sienknecht's NPI number?
- Stephen Sienknecht's National Provider Identifier (NPI) is 1316017221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Sienknecht's specialty?
- Stephen Sienknecht is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Sienknecht located?
- Stephen Sienknecht's practice location on file with NPPES is 3099 Telegraph Ave, Berkeley, CA 94705-2035.
- What is Stephen Sienknecht's phone number?
- The practice phone number listed in the NPPES registry for Stephen Sienknecht is (415) 570-1067.
- Is Stephen Sienknecht's NPI active?
- Yes — Stephen Sienknecht's NPI (1316017221) is active in the NPPES registry as of the last update on 2013-02-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.