DR. LOURDES GRAYSON
NPI 1851523955
Psychiatry & Neurology - Psychiatry in Ventura, CA
About Dr. Lourdes Grayson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LOURDES GRAYSON (NPI 1851523955) is an individual psychiatry provider in Ventura, California, licensed in California (A111804) and active in the NPI registry since August 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
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. Lourdes Grayson 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 Reassignments
4Medicare enrollment records show Lourdes Grayson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ventura, CA 93004
- Reassigned Medicare billing, California enrollment
- 216 clinicians in this Medicare group
Chatsworth, CA 91311
- Reassigned Medicare billing, California enrollment
- 1,939 clinicians in this Medicare group
Hollister, CA 95023
- Reassigned Medicare billing, California enrollment
- 73 clinicians in this Medicare group
San Francisco, CA 94108
- Reassigned Medicare billing, California enrollment
- 118 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93004 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 6
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 Lourdes Grayson's NPI number?
The NPI number for Lourdes Grayson is 1851523955. It was assigned to this individual provider in the NPPES registry on August 23, 2009. The provider is also known as Dr. Lourdes D. Villaruz M.D..
Where is Lourdes Grayson located?
Lourdes Grayson practices at 200 S Wells Rd Ste 250, Ventura, CA 93004. The listed phone number is (805) 647-0991.
What is Lourdes Grayson's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Lourdes Grayson enrolled in Medicare?
Yes. Lourdes Grayson 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 organizations bill Medicare for Lourdes Grayson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lourdes Grayson reassigns Medicare benefits to 4 organizations: Clinicas Del Camino Real Inc (Ventura, CA), County Of Los Angeles (Chatsworth, CA), Hazel Hawkins Memorial Hospital (Hollister, CA) and Mindful Health Solutions A Professional Medical Corporation (San Francisco, CA). Each 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 Lourdes Grayson'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 Lourdes Grayson was last updated on July 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.