DR. DINA BISHAY ZAYAT PSY.D.
NPI 1902917180
Psychologist - Clinical in Laguna Hills, CA
About Dr. Dina Bishay Zayat Psy.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DINA BISHAY ZAYAT PSY.D. (NPI 1902917180) is an individual clinical provider in Laguna Hills, California, licensed in California (PSY18709) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Dina Bishay Zayat Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Dina Zayat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newport Beach, CA 92660
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92653 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
LAGUNA HILLS, CA 92653
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 Dina Zayat's NPI number?
The NPI number for Dina Zayat is 1902917180. It was assigned to this individual provider in the NPPES registry on August 31, 2006.
Where is Dina Zayat located?
Dina Zayat practices at 25251 Paseo De Alicia 105, Laguna Hills, CA 92653. The listed phone number is (949) 595-8610.
What is Dina Zayat's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Dina Zayat enrolled in Medicare?
Yes. Dina Zayat is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Dina Zayat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dina Zayat reassigns Medicare benefits to Harbor Psychiatry & Mental Health, Professional Corporation (Newport Beach, 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 Dina Zayat'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 Dina Zayat was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. Dina Bishay Zayat, PSY.D. · NPI 1902917180
Clinical provider in Laguna Hills, California. Individual provider, active in the CMS NPPES registry since August 31, 2006.
## Identity
- **NPI:** 1902917180 (Entity type: Individual)
- **Enumerated:** August 31, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY18709 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 25251 PASEO DE ALICIA, 105, Laguna Hills, CA 92653-4616
- **Phone:** (949) 595-8610
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Harbor Psychiatry & Mental Health, Professional Corporation (NPI 1780050054, Newport Beach, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1902917180) · Data from the CMS NPPES public registry.