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CORE MENTAL HEALTH SERVICES
NPI 1356817597
Clinic/Center - Mental Health (Including Community Mental Health Center) in Las Vegas, NV

Active since October 15, 2018
3831 W CHARLESTON BLVD STE 150, LAS VEGAS, NV 89102(725) 735-2700(725) 735-2702 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 12, 2026, Feb 16, 2021, Jan 25, 2019 and 2 more (5 updates tracked since 2018).

About Core Mental Health Services NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CORE MENTAL HEALTH SERVICES (NPI 1356817597) is a healthcare organization registered as a mental health (including community mental health center) in Las Vegas, Nevada and active in the NPI registry since October 2018. The organization lists Griselda Maria Lloyd, Executive Director/ Owner, as its authorized official.

NPPES Registry Identity

NPI1356817597
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameCORE MENTAL HEALTH SERVICES
Location Address3831 W CHARLESTON BLVD STE 150Las Vegas, NV 89102-1859
Mailing Address3831 W Charleston Blvd Ste 150Las Vegas, NV 89102-1859 · (725) 735-2700 · Fax (725) 735-2702
Phone(725) 735-2700
Fax(725) 735-2702
Organization SubpartNo
Authorized OfficialGriselda Maria LloydExecutive Director/ Owner · (702) 756-6518
Enumeration DateOctober 15, 2018
Last NPPES UpdateJanuary 12, 20265 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1356817597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X
Also ListedMarriage & Family TherapistTaxonomy 106H00000X
3831 W CHARLESTON BLVD STE 150, Las Vegas, NV 89102
Open in Google Maps ↗

Other Identifiers 1

Medicaid1356817597NV

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Core Mental Health Services is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Core Mental Health Services, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Rachelle Flowers, MS, LMFT, LCADC
Marriage and Family Therapist
NPI 1578052874
3831 W CHARLESTON BLVD STE 150
Las Vegas, NV 89102
(725) 735-2700
✔ PECOS✔ Accepts MedicareSame address
Griselda Lloyd, PH.D.
Marriage and Family Therapist
NPI 1730668237
3831 W CHARLESTON BLVD STE 150
Las Vegas, NV 89102
(702) 756-6518
✔ PECOS✔ Accepts MedicareSame address

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 Core Mental Health Services's NPI number?

The NPI number for Core Mental Health Services is 1356817597. It was assigned to this organization in the NPPES registry on October 15, 2018.

Where is Core Mental Health Services located?

Core Mental Health Services is located at 3831 W Charleston Blvd Ste 150, Las Vegas, NV 89102. The listed phone number is (725) 735-2700.

What is Core Mental Health Services's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Core Mental Health Services enrolled in Medicare?

Yes. Core Mental Health Services is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Core Mental Health Services?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Marriage and Family Therapist, reassign their Medicare billing to Core Mental Health Services. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Core Mental Health Services accept?

Health plans from Ambetter from Arizona Complete Health list Core Mental Health Services as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Core Mental Health Services was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.