D&Y INTEGRATED PSYCHIATRY
NPI 1023993003
Nurse Practitioner - Psychiatric/Mental Health in Monrovia, CA
About D&y Integrated Psychiatry NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
D&Y INTEGRATED PSYCHIATRY (NPI 1023993003) is a healthcare organization registered as a psychiatric/mental health in Monrovia, California and active in the NPI registry since August 2025. The organization lists Denis Grigorov, Nurse Practitioner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
D&y Integrated Psychiatry is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to D & y Integrated Psychiatry, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 D&y Integrated Psychiatry's NPI number?
The NPI number for D&y Integrated Psychiatry is 1023993003. It was assigned to this organization in the NPPES registry on August 8, 2025.
Where is D&y Integrated Psychiatry located?
D&y Integrated Psychiatry is located at 517 S Ivy Ave, Monrovia, CA 91016. The listed phone number is (469) 396-3369.
What is D&y Integrated Psychiatry's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is D&y Integrated Psychiatry enrolled in Medicare?
Yes. D&y Integrated Psychiatry is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through D&y Integrated Psychiatry?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to D&y Integrated 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for D&y Integrated Psychiatry was last updated on October 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# D&y Integrated Psychiatry · NPI 1023993003
Psychiatric/Mental Health organization in Monrovia, California. Organization record, active in the CMS NPPES registry since August 8, 2025.
## Identity
- **NPI:** 1023993003 (Entity type: Organization)
- **Enumerated:** August 8, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Denis Grigorov, NURSE PRACTITIONER
## Practice location
- **Address:** 517 S IVY AVE, Monrovia, CA 91016-2827
- **Phone:** (469) 396-3369
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 24, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1023993003) · Data from the CMS NPPES public registry.