DR. LOURDES GRAYSON
NPI 1851523955
Psychiatry & Neurology - Psychiatry in Ventura, CA

Active since August 23, 2009PECOS EnrolledAccepts Medicare Assignment
200 S WELLS RD STE 250, VENTURA, CA 93004(805) 647-0991(805) 647-7163 Get Directions Write a Review

NPPES record last updated: July 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 26, 2024, Dec 5, 2022, Dec 25, 2018 (3 updates tracked since 2018).

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

NPI1851523955
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. LOURDES GRAYSON
Location Address200 S WELLS RD STE 250Ventura, CA 93004-1383
Mailing Address1040 Flynn RdCamarillo, CA 93012-5092 · (805) 673-3930
Fax(805) 647-7163
Sole ProprietorYes
Medical School CMSOtherGraduated 2006
Enumeration DateAugust 23, 2009
Last NPPES UpdateJuly 26, 20243 updates tracked since enumeration
NPPES CertifiedJuly 26, 2024
✔ NPI 1851523955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in CA · A111804✔ Licensed in NY · 254459-1
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Child & Adolescent PsychiatryTaxonomy 2084P0804X · License A111804 (CA)
200 S WELLS RD STE 250, Ventura, CA 93004

Other Names 1

Former Name (1)Dr. Lourdes D. Villaruz M.d.

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.

PECOS PAC ID1254526049
PECOS Enrollment IDI20101105000664
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

4

Medicare 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.

Federally Qualified Health Center (FQHC)
200 S WELLS RD, SUITE 100
Ventura, CA 93004
  • Reassigned Medicare billing, California enrollment
  • 216 clinicians in this Medicare group
Primary Care
20151 NORDHOFF ST
Chatsworth, CA 91311
  • Reassigned Medicare billing, California enrollment
  • 1,939 clinicians in this Medicare group
General Acute Care Hospital
911 SUNSET DR
Hollister, CA 95023
  • Reassigned Medicare billing, California enrollment
  • 73 clinicians in this Medicare group
Psychiatry
360 POST ST STE 500
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.

New Patient
$185.36 typical visit price
range $62.32 – $185.36
Typical copayment $46.34 (range $15.58 – $46.34)
Most-billed visit code 99205
Established Patient
$77.11 typical visit price
range $20.68 – $151.85
Typical copayment $19.27 (range $5.17 – $37.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Social Worker
200 S WELLS RD STE 250
VENTURA, CA 93004
Social Worker (Clinical)
200 S WELLS RD STE 250
VENTURA, CA 93004
Social Worker (Clinical)
200 S WELLS RD STE 250
VENTURA, CA 93004
Social Worker (Clinical)
200 S WELLS RD STE 250
VENTURA, CA 93004
Social Worker (Clinical)
200 S WELLS RD STE 250
VENTURA, CA 93004
Social Worker
200 S WELLS RD STE 250
VENTURA, CA 93004

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.