IndividualActive
Joanna Jaszczerska
NPI 1255527669 · Mental Health Counselor · Oakland, CA
Joanna Jaszczerska is a Mental Health Counselor provider in Oakland, CA (NPI 1255527669).
Provider details
- NPI number
- 1255527669
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
519 17th St Ste 210
Oakland, CA 94612-1568
Phone: (510) 628-9065
Street-level locationGet directions
Mailing address
519 17th St Ste 210
Oakland, CA 94612-1568
Registry dates
- Enumerated
- 2007-09-19
- Last updated
- 2007-09-19
Frequently asked questions
- What is Joanna Jaszczerska's NPI number?
- Joanna Jaszczerska's National Provider Identifier (NPI) is 1255527669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna Jaszczerska's specialty?
- Joanna Jaszczerska is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Joanna Jaszczerska located?
- Joanna Jaszczerska's practice location on file with NPPES is 519 17th St Ste 210, Oakland, CA 94612-1568.
- What is Joanna Jaszczerska's phone number?
- The practice phone number listed in the NPPES registry for Joanna Jaszczerska is (510) 628-9065.
- Is Joanna Jaszczerska's NPI active?
- Yes — Joanna Jaszczerska's NPI (1255527669) is active in the NPPES registry as of the last update on 2007-09-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.