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VISTA BEHAVIORAL HEALTH, INC
NPI 1881945905
Psychiatry & Neurology - Psychiatry in Rancho Cucamonga, CA

Active since September 28, 2012
10630 TOWN CENTER DRIVE., STE 110, RANCHO CUCAMONGA, CA 91730(909) 919-7727 Get Directions Write a Review

NPPES record last updated: September 28, 2012. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Vista Behavioral Health, Inc NPPES

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

VISTA BEHAVIORAL HEALTH, INC (NPI 1881945905) is a healthcare organization registered as a psychiatry in Rancho Cucamonga, California and active in the NPI registry since September 2012. The organization lists Ochuko Gregson Diamreyou, President, as its authorized official.

NPPES Registry Identity

NPI1881945905
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameVISTA BEHAVIORAL HEALTH, INC
Location Address10630 TOWN CENTER DRIVE., STE 110Rancho Cucamonga, CA 91730
Mailing Address10630 Town Center Drive, Ste 110Rancho Cucamonga, CA 91730 · (909) 919-7727 · Fax (909) 191-2035
Phone(909) 919-7727
Organization SubpartNo
Authorized OfficialOchuko Gregson DiamreyouPresident · (909) 919-7727
Enumeration DateSeptember 28, 2012
✔ NPI 1881945905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A66432
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
10630 TOWN CENTER DRIVE., Rancho Cucamonga, CA 91730
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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 MULTIPLE 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)

Vista Behavioral Health, Inc 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 Vista Behavioral Health, Inc, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Flora Diamreyan, FNP
Nurse Practitioner
NPI 1477626521
8599 HAVEN AVE STE 101
Rancho Cucamonga, CA 91730
(909) 466-8888
✔ PECOS✔ Accepts Medicare1.0 mi
Ochuko Diamreyan, M.D.
Psychiatry
NPI 1134171408
2380 NORTH SIERRA WAY
San Bernadino, CA 92405
(909) 556-7305
✔ PECOS✔ Accepts Medicare17 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 Vista Behavioral Health, Inc's NPI number?

The NPI number for Vista Behavioral Health, Inc is 1881945905. It was assigned to this organization in the NPPES registry on September 28, 2012.

Where is Vista Behavioral Health, Inc located?

Vista Behavioral Health, Inc is located at 10630 Town Center Drive. Ste 110, Rancho Cucamonga, CA 91730. The listed phone number is (909) 919-7727.

What is Vista Behavioral Health, Inc's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Vista Behavioral Health, Inc enrolled in Medicare?

Yes. Vista Behavioral Health, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Vista Behavioral Health, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Vista Behavioral Health, Inc, in Nurse Practitioner and Psychiatry. 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. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Vista Behavioral Health, Inc was last updated on September 28, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.