DR. PHYLLIS MONTAVON PSY.D., LCSW, LCADC
NPI 1235364522
Social Worker - Clinical in Las Vegas, NV

Active since May 15, 2009PECOS Enrolled
3450 E RUSSELL RD STE 115, LAS VEGAS, NV 89120(702) 712-5431(702) 297-6599 Get Directions Write a Review

NPPES record last updated: February 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 7, 2025, Sep 28, 2015 (2 updates tracked since 2015).

About Dr. Phyllis Montavon Psy.d., Lcsw, Lcadc NPPES

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

DR. PHYLLIS MONTAVON PSY.D., LCSW, LCADC (NPI 1235364522) is an individual clinical provider in Las Vegas, Nevada, licensed in Nevada (LCSW 7031-C) and active in the NPI registry since May 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235364522
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameDR. PHYLLIS MONTAVONCredential: PSY.D., LCSW, LCADC
Location Address3450 E RUSSELL RD STE 115Las Vegas, NV 89120-2201
Mailing Address5172 Jewel Canyon DrLas Vegas, NV 89122-8328 · (702) 712-5431
Fax(702) 297-6599
Sole ProprietorYes
Enumeration DateMay 15, 2009
Last NPPES UpdateFebruary 7, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 7, 2025
✔ NPI 1235364522 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NV · LCSW 7031-C
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License LADC - 01322-L (NV)
3450 E RUSSELL RD STE 115, Las Vegas, NV 89120

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Phyllis Montavon Psy.d., Lcsw, Lcadc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Phyllis Montavon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community/Behavioral Health
3312 W CHARLESTON BLVD
Las Vegas, NV 89102
  • Reassigned Medicare billing, Nevada enrollment
  • Medicare enrollment name: Medtrans Medical Nevada Casal PLLC
  • 74 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 89120 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
$0.00 typical visit price
range $57.07 – $173.24
Typical copayment $0.00 (range $14.26 – $43.31)
Most-billed visit code NA
Established Patient
$71.14 typical visit price
range $18.27 – $140.96
Typical copayment $17.78 (range $4.56 – $35.24)
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.

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 Phyllis Montavon's NPI number?

The NPI number for Phyllis Montavon is 1235364522. It was assigned to this individual provider in the NPPES registry on May 15, 2009.

Where is Phyllis Montavon located?

Phyllis Montavon practices at 3450 E Russell Rd Ste 115, Las Vegas, NV 89120. The listed phone number is (702) 712-5431.

What is Phyllis Montavon's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Phyllis Montavon enrolled in Medicare?

Yes. Phyllis Montavon is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Phyllis Montavon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Phyllis Montavon reassigns Medicare benefits to Homebase Care Casal PLLC (Las Vegas, NV). 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 Phyllis Montavon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Phyllis Montavon accept?

Health plans from Molina Healthcare list Phyllis Montavon 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 Phyllis Montavon was last updated on February 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.