NPI Portal NPI Lookup & Verification

Stephen Richard Geist

Stephen Richard Geist is a Case Manager/Care Coordinator provider (Case Manager/Care Coordinator) practicing in Riverside, CA, registered in the NPPES registry with NPI 1043523111 since 2010. Practices at Riverside County Office on Aging (listed at the same practice address in NPPES).

✓ Active NPI ✓ Valid NPI checksum

NPI 1043523111
Entity type Individual (Type 1)
Name Stephen Richard Geist
Sex Male
Practice address 6296 RIVER CREST DR STE K, Riverside, CA, 92507
Phone 9518673800
Fax 9518673840
Enumeration date 2010-07-19
Last updated in NPPES 2010-07-19

Taxonomy & licenses

Taxonomy code Specialty Primary License State
171M00000X Case Manager/Care Coordinator Primary
Copy-ready billing details
Provider: Stephen Geist
NPI: 1043523111
Taxonomy: 171M00000X (Case Manager/Care Coordinator)
Address: 6296 RIVER CREST DR STE K, Riverside, CA, 92507

Other providers at this practice address

NPI Name Type Specialty Location
1396926655 Riverside County Office on Aging Organization Case Management Agency Riverside, CA
1881875011 Myrna Linnemann-Beaty Individual Case Manager/Care Coordinator Riverside, CA
1902087059 Cynthia Callente Individual Case Management Agency Riverside, CA
1740461607 Cherie Villeneuve Individual Case Manager/Care Coordinator Riverside, CA
1548441231 Traci Cornelius Individual Case Manager/Care Coordinator Riverside, CA
1790966240 Lorna Levias Individual Case Manager/Care Coordinator Riverside, CA
1093944167 Catherine Henrichsen Individual Case Manager/Care Coordinator Riverside, CA
1265742043 Veronica Castro Individual Case Manager/Care Coordinator Riverside, CA

Verify this record

Cross-check NPI 1043523111 against the authoritative CMS record: view Stephen Richard Geist on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Stephen Geist practice?
The practice location on file with NPPES is in Riverside, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Stephen Geist?
The National Provider Identifier (NPI) for Stephen Geist is 1043523111, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-07-19.