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VANESSA KATHLEEN CLARK HANNAN APCC
NPI 1891547766
Counselor - Mental Health in Riverside, CA

Active since April 03, 2024PECOS Enrolled
6840 INDIANA AVE STE 275, RIVERSIDE, CA 92506(951) 778-0230 Get Directions Write a Review

NPPES record last updated: May 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 8, 2026, Apr 3, 2024 (2 updates tracked since 2024).

About Vanessa Kathleen Clark Hannan Apcc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

VANESSA KATHLEEN CLARK HANNAN APCC (NPI 1891547766) is an individual mental health provider in Riverside, California, licensed in California (15899) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1891547766
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameVANESSA KATHLEEN CLARK HANNANCredential: APCC
Location Address6840 INDIANA AVE STE 275Riverside, CA 92506-4279
Mailing Address6840 Indiana Ave Ste 275Riverside, CA 92506-4279 · (951) 778-0230
Phone(951) 778-0230
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateApril 3, 2024
Last NPPES UpdateMay 8, 20262 updates tracked since enumeration
NPPES CertifiedMay 8, 2026
✔ NPI 1891547766 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · 15899
6840 INDIANA AVE STE 275, Riverside, CA 92506
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Vanessa Kathleen Clark Hannan Apcc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6800351388
PECOS Enrollment IDI20260724002884
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Vanessa Hannan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cyti Health PC
86 mi
Mental Health (Including Community Mental Health Center)
402 W BROADWAY STE 400
San Diego, CA 92101
  • Reassigned Medicare billing, California enrollment
  • 545 clinicians in this Medicare group
NPI 1679172290 (866) 478-3978

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LEANN ELLEN GALOUSTIAN LCSW
Social Worker (Clinical)
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
CENTRAL COUNSELING SERVICES LICENSED CLINICAL SOCIAL WORKER INC
Social Worker (Clinical)
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
ANITA ROXANNE MUNOZ ACSW
Social Worker (Clinical)
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
ATTEND THERAPY, A LICENSED CLINICAL SOCIAL WORKER, INC.
Social Worker (Clinical)
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (408) 740-3692
MRS. ROSE MARIA CABRAL AMFT
Marriage & Family Therapist
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
MS. COLLEEN DUGGIN LCSW
Social Worker (Clinical)
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
ALEXIS GARCIA AMFT -
Marriage & Family Therapist
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230
MARK NAFTZGER
Marriage & Family Therapist
6840 INDIANA AVE STE 275
RIVERSIDE, CA 92506
Riverside County (951) 778-0230

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vanessa Hannan's NPI number?

The NPI number for Vanessa Hannan is 1891547766. It was assigned to this individual provider in the NPPES registry on April 3, 2024.

Where is Vanessa Hannan located?

Vanessa Hannan practices at 6840 Indiana Ave Ste 275, Riverside, CA 92506. The listed phone number is (951) 778-0230.

What is Vanessa Hannan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Vanessa Hannan enrolled in Medicare?

Yes. Vanessa Hannan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Vanessa Hannan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vanessa Hannan reassigns Medicare benefits to Cyti Health PC (San Diego, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vanessa Hannan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Vanessa Hannan was last updated on May 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.