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D&Y Integrated Psychiatry

Q: What is the NPI number for D&Y Integrated Psychiatry?

The NPI for D&Y Integrated Psychiatry is 1023993003, a Type 2 (organization) record in the CMS NPPES registry.

Psychiatric/Mental Health Nurse Practitioner in Monrovia, CA · enumerated 2025 · authorized official Denis Grigorov, Nurse Practitioner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1023993003

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Registry record

Entity type Organization (Type 2)

Legal business name D&Y Integrated Psychiatry

Practice address 517 S Ivy Ave, Monrovia, CA, 91016

Phone (469) 396-3369

Enumeration date Aug 8, 2025

Last updated in NPPES Oct 24, 2025

Taxonomy & classification

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Denis Grigorov

Title Nurse Practitioner

Phone (469) 396-3369

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.

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Frequently asked questions

Who is the authorized official for D&Y Integrated Psychiatry?

NPPES lists Denis Grigorov (Nurse Practitioner) as the authorized official for this organization.

What is the NPI number for D&Y Integrated Psychiatry?

The NPI for D&Y Integrated Psychiatry is 1023993003, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-24.