ILLUMINATING PSYCHOLOGICAL SERVICES CORPORATION
NPI 1861090441
Psychologist - Counseling in Riverside, CA

Active since October 15, 2020
1650 SPRUCE ST STE 240, RIVERSIDE, CA 92507(951) 981-2383(855) 595-2795 Get Directions Write a Review

NPPES record last updated: March 14, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 14, 2025, Oct 15, 2020 (2 updates tracked since 2020).

About Illuminating Psychological Services Corporation NPPES

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

ILLUMINATING PSYCHOLOGICAL SERVICES CORPORATION (NPI 1861090441) is a healthcare organization registered as a counseling in Riverside, California and active in the NPI registry since October 2020. The organization lists Ina J Creekbaum, Owner, as its authorized official.

NPPES Registry Identity

NPI1861090441
Entity TypeOrganization
Primary Taxonomy103TC1900X
Legal Business NameILLUMINATING PSYCHOLOGICAL SERVICES CORPORATION
Location Address1650 SPRUCE ST STE 240Riverside, CA 92507-7403
Mailing Address967 Kendall Dr Ste A515San Bernardino, CA 92407-4306 · (951) 981-2383 · Fax (855) 595-2795
Fax(855) 595-2795
Organization SubpartNo
Authorized OfficialIna J CreekbaumOwner · (909) 856-5904
Enumeration DateOctober 15, 2020
Last NPPES UpdateMarch 14, 20252 updates tracked since enumeration
NPPES CertifiedMarch 14, 2025
✔ NPI 1861090441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
1650 SPRUCE ST STE 240, Riverside, CA 92507

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Illuminating Psychological Services Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Illuminating Psychological Services Corporation, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Clinical Psychologist
NPI 1528522216
4181 FLAT ROCK DR STE 300
Riverside, CA 92505
(909) 856-5904
✔ PECOS✔ Accepts Medicare10 mi
Clinical Psychologist
NPI 1740601228
4210 W SARAH ST APT 7
Burbank, CA 91505
(323) 401-2958
✔ PECOS✔ Accepts Medicare58 mi

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

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 Illuminating Psychological Services Corporation's NPI number?

The NPI number for Illuminating Psychological Services Corporation is 1861090441. It was assigned to this organization in the NPPES registry on October 15, 2020.

Where is Illuminating Psychological Services Corporation located?

Illuminating Psychological Services Corporation is located at 1650 Spruce St Ste 240, Riverside, CA 92507. The listed phone number is (951) 981-2383.

What is Illuminating Psychological Services Corporation's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.

Is Illuminating Psychological Services Corporation enrolled in Medicare?

Yes. Illuminating Psychological Services Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Illuminating Psychological Services Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Clinical Psychologist, reassign their Medicare billing to Illuminating Psychological Services Corporation. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Illuminating Psychological Services Corporation was last updated on March 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.