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Troy Piwowarski, PSYD
NPI 1902130578 · Clinical Psychologist · Oakland, CA
Troy Piwowarski, PSYD is a Clinical Psychologist provider in Oakland, CA (NPI 1902130578).
Provider details
- NPI number
- 1902130578
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSYD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 28839 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
4279 Piedmont Ave
Oakland, CA 94611-4713
Phone: (510) 878-4165
Street-level locationGet directions
Mailing address
4279 Piedmont Ave
Oakland, CA 94611-4713
Registry dates
- Enumerated
- 2009-09-29
- Last updated
- 2019-01-05
Frequently asked questions
- What is Troy Piwowarski's NPI number?
- Troy Piwowarski's National Provider Identifier (NPI) is 1902130578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Troy Piwowarski's specialty?
- Troy Piwowarski is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Troy Piwowarski located?
- Troy Piwowarski's practice location on file with NPPES is 4279 Piedmont Ave, Oakland, CA 94611-4713.
- What is Troy Piwowarski's phone number?
- The practice phone number listed in the NPPES registry for Troy Piwowarski is (510) 878-4165.
- Is Troy Piwowarski's NPI active?
- Yes — Troy Piwowarski's NPI (1902130578) is active in the NPPES registry as of the last update on 2019-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.