DR. MARY BERST PHD, PSYCHOLOGIST
NPI 1619295938
Psychologist in La Quinta, CA
About Dr. Mary Berst Phd, Psychologist NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARY BERST PHD, PSYCHOLOGIST (NPI 1619295938) is an individual psychologist in La Quinta, California, licensed in California (32434) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 4
Other Names 1
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. Mary Berst Phd, Psychologist 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 Mary Berst 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 3
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.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Berst's NPI number?
The NPI number for Mary Berst is 1619295938. It was assigned to this individual provider in the NPPES registry on May 11, 2010. The provider is also known as Dr. Mary Lynette Berst Psychologist.
Where is Mary Berst located?
Mary Berst practices at 61645 Living Stone Dr, La Quinta, CA 92253. The listed phone number is (760) 902-9296.
What is Mary Berst's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Mary Berst enrolled in Medicare?
Yes. Mary Berst 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 Mary Berst's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Berst 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 Mary Berst'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 Mary Berst was last updated on July 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.