IndividualActive
Siobhan Schlapper
NPI 1639589856 · Counselor · San Leandro, CA
Siobhan Schlapper is a Counselor provider in San Leandro, CA (NPI 1639589856).
Provider details
- NPI number
- 1639589856
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
2275 Arlington Dr
San Leandro, CA 94578-1132
Phone: (510) 317-1444
Street-level locationGet directions
Mailing address
2275 Arlington Dr
San Leandro, CA 94578-1132
Registry dates
- Enumerated
- 2014-04-28
- Last updated
- 2014-04-28
Frequently asked questions
- What is Siobhan Schlapper's NPI number?
- Siobhan Schlapper's National Provider Identifier (NPI) is 1639589856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Schlapper's specialty?
- Siobhan Schlapper is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Siobhan Schlapper located?
- Siobhan Schlapper's practice location on file with NPPES is 2275 Arlington Dr, San Leandro, CA 94578-1132.
- What is Siobhan Schlapper's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Schlapper is (510) 317-1444.
- Is Siobhan Schlapper's NPI active?
- Yes — Siobhan Schlapper's NPI (1639589856) is active in the NPPES registry as of the last update on 2014-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.