Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Steven Blake Weaver
Contractor in Sacramento, CA · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1861639957
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Registry record
Entity type Individual (Type 1)
Name Steven Blake Weaver
Sex Male
Practice address 1507 21st St, Suite 205, Sacramento, CA, 95811
Phone (916) 441-0123
Enumeration date Jan 12, 2009
Last updated in NPPES Jan 12, 2009
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Steven Weaver practice?
The practice location on file with NPPES is in Sacramento, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Steven Weaver?
The National Provider Identifier (NPI) for Steven Weaver is 1861639957, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Jennifer Martinson Case Manager/Care Coordinator · Sacramento, CA NPI 1851585830 Leslie Berner Mental Health Counselor · Sacramento, CA NPI 1174702716 Kim Borbon Mental Health Counselor · Sacramento, CA NPI 1619145935 Arteemas Greene Social Worker · Sacramento, CA NPI 1134378904 Shona Guider Social Worker · Sacramento, CA NPI 1427295997 Peter Kirchner Clinical Psychologist · Sacramento, CA NPI 1437381449 Molly Flynn Social Worker · Sacramento, CA NPI 1225368210
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-01-12.