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CASSANDRA LYNN LYLES PMHNP
NPI 1972324259
Nurse Practitioner - Psychiatric/Mental Health in Madison, WI

Active since October 21, 2024PECOS EnrolledAccepts Medicare Assignment
122 W WASHINGTON AVE STE 630, MADISON, WI 53703(262) 999-3495 Get Directions Write a Review

NPPES record last updated: May 22, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 22, 2026, Mar 13, 2025 (2 updates tracked since 2025).

About Cassandra Lynn Lyles Pmhnp NPPES

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

CASSANDRA LYNN LYLES PMHNP (NPI 1972324259) is an individual psychiatric/mental health provider in Madison, Wisconsin, licensed in Wisconsin (15716) and active in the NPI registry since October 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in South Milwaukee, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1972324259
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameCASSANDRA LYNN LYLESCredential: PMHNP
Location Address122 W WASHINGTON AVE STE 630Madison, WI 53703-2758
Mailing Address4800 N Scottsdale Rd Ste 2500Scottsdale, AZ 85251-7630 · (262) 999-3495
Phone(262) 999-3495
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateOctober 21, 2024
Last NPPES UpdateMay 22, 20262 updates tracked since enumeration
NPPES CertifiedMay 22, 2026
✔ NPI 1972324259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WI · 15716
Also ListedNurse PractitionerTaxonomy 363L00000X · License 15716 (WI)
122 W WASHINGTON AVE STE 630, Madison, WI 53703
Open in Google Maps ↗

Secondary Practice Location 1

Location 11333 College AveSouth Milwaukee, WI 53172-1150 · Phone (414) 380-3231

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan and more.Insurance ›

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

Cassandra Lynn Lyles Pmhnp 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 ID4183113400
PECOS Enrollment IDI20251028002046
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 Cassandra Lyles reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cornerstone Counseling Services, Inc
74 mi
Mental Health
16535 W BLUEMOUND RD, SUITE 200
Brookfield, WI 53005
  • Reassigned Medicare billing, Wisconsin enrollment
  • 556 clinicians in this Medicare group
NPI 1033127246 (262) 789-1191

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 53703 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
Most-billed visit code 99214
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.

AMY WEIDERT MS, LPC
Counselor (Professional)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (608) 236-4460
KELLY JEAN HOPPE LPC
Counselor (Professional)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (855) 226-7215
MS. MIKELE GRACE MICHIELS-WELDON
Counselor (Mental Health)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (920) 750-0171
NICOLAS GARVOILLE LPC
Counselor (Professional)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (262) 999-3495
JENNIFER LEA BURKEL LCSW
Social Worker (Clinical)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (608) 424-8411
WHITNEY M NELSON LCSW
Social Worker (Clinical)
122 W WASHINGTON AVE STE 630
MADISON, WI 53703
Dane County (262) 999-3495

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 Cassandra Lyles's NPI number?

The NPI number for Cassandra Lyles is 1972324259. It was assigned to this individual provider in the NPPES registry on October 21, 2024.

Where is Cassandra Lyles located?

Cassandra Lyles practices at 122 W Washington Ave Ste 630, Madison, WI 53703. The listed phone number is (262) 999-3495.

What is Cassandra Lyles's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Cassandra Lyles enrolled in Medicare?

Yes. Cassandra Lyles 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 Cassandra Lyles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Lyles reassigns Medicare benefits to Cornerstone Counseling Services, Inc (Brookfield, WI). 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 Cassandra Lyles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cassandra Lyles accept?

Health plans from Anthem Blue Cross and Blue Shield, CareSource (Common Ground Healthcare), Dean Health Plan, HealthPartners and Medica and 3 other insurers list Cassandra Lyles 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 Cassandra Lyles was last updated on May 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.