DAVID DENNIS LCSW
NPI 1255196911
Social Worker - Clinical in Naperville, IL

Q: What is David Dennis's NPI number?

The NPI number for David Dennis is 1255196911. It was assigned to this individual provider in the NPPES registry on February 20, 2024.

Q: What is David Dennis's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for David Dennis was last updated on February 20, 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.

Active since February 20, 2024PECOS EnrolledAccepts Medicare Assignment

200 E 5TH AVE STE 109, NAPERVILLE, IL 60563(708) 945-8557 Get Directions Write a Review

NPPES record last updated: February 20, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About David Dennis Lcsw NPPES

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

DAVID DENNIS LCSW (NPI 1255196911) is an individual clinical provider in Naperville, Illinois, licensed in Illinois (149.026614) and active in the NPI registry since February 2024. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1255196911

Entity TypeIndividualMale

Primary Taxonomy1041C0700X

Provider Legal NameDAVID DENNISCredential: LCSW

Location Address200 E 5TH AVE STE 109Naperville, IL 60563-3173

Mailing Address2132 City Gate Ln Apt 234Naperville, IL 60563-3725

Phone(708) 945-8557

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateFebruary 20, 2024

NPPES CertifiedFebruary 20, 2024

✔ NPI 1255196911 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in IL · 149.026614

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.

200 E 5TH AVE STE 109, Naperville, IL 60563

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

David Dennis Lcsw 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 ID1052753340

PECOS Enrollment IDI20240531003388

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 David Dennis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alw Group Grow

Same address

Counselor

200 E 5TH AVE STE 109
Naperville, IL 60563

Reassigned Medicare billing, Illinois enrollment
20 clinicians in this Medicare group

NPI 1023665999 (331) 305-4009

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 60563 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 $59.81 – $181.38

Typical copayment $0.00 (range $14.95 – $45.34)

Most-billed visit code NA

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KATHARINE WALLER LCSW

Social Worker (Clinical)