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NICOLE JILL MALLIS
NPI 1871253161
Social Worker - Clinical in West Chester, PA

Active since December 28, 2021PECOS Enrolled
835 W CHESTER PIKE, WEST CHESTER, PA 19382(215) 630-2955 Get Directions Write a Review

NPPES record last updated: May 6, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 6, 2026, Apr 30, 2026, Dec 28, 2021 (3 updates tracked since 2021).

About Nicole Jill Mallis NPPES

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

NICOLE JILL MALLIS (NPI 1871253161) is an individual clinical provider in West Chester, Pennsylvania, licensed in Pennsylvania (CW022402) and active in the NPI registry since December 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1871253161
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameNICOLE JILL MALLIS
Location Address835 W CHESTER PIKEWest Chester, PA 19382-4848
Mailing Address10 Mary Fran DrWest Chester, PA 19382-6310 · (215) 630-2955
Phone(215) 630-2955
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateDecember 28, 2021
Last NPPES UpdateMay 6, 20263 updates tracked since enumeration
NPPES CertifiedMay 6, 2026
✔ NPI 1871253161 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 PA · CW022402
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.
835 W CHESTER PIKE, West Chester, PA 19382
Open in Google Maps ↗

Other Identifiers 1

Other1235605171PA · Commercial Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nicole Jill Mallis is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193280832
PECOS Enrollment IDI20260722004491
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 Nicole Mallis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nicole Mallis Lcsw LLC
Same address
Clinical
835 W CHESTER PIKE
West Chester, PA 19382
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1518851476 (215) 630-2955

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 19382 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 $59.88 – $180.99
Typical copayment $0.00 (range $14.97 – $45.24)
Most-billed visit code NA
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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 8

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

JEFFREY CRAIG PARUSZEWSKI DPM
Podiatrist (Foot & Ankle Surgery)
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (566) 712-4838
DR. STEVEN JOSEPH DICKTER M.D.
Family Medicine
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (610) 696-0127
GRACE ELIZABETH TASMAN
Internal Medicine
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (610) 696-0127
HOSPITAL CARE SPECIALIST LLC
Internal Medicine
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (800) 528-0006
DOCTOR CRAIG LLC
Podiatrist (Foot & Ankle Surgery)
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (856) 671-2483
NICOLE MALLIS LCSW LLC
Social Worker (Clinical)
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (215) 630-2955
SHABIH U KHAN MD
Internal Medicine
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (610) 696-0127
HOLYN DAVIS PA-C
Physician Assistant (Medical)
835 W CHESTER PIKE
WEST CHESTER, PA 19382
Chester County (610) 696-0127

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 Nicole Mallis's NPI number?

The NPI number for Nicole Mallis is 1871253161. It was assigned to this individual provider in the NPPES registry on December 28, 2021.

Where is Nicole Mallis located?

Nicole Mallis practices at 835 W Chester Pike, West Chester, PA 19382. The listed phone number is (215) 630-2955.

What is Nicole Mallis's specialty?

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

Is Nicole Mallis enrolled in Medicare?

Yes. Nicole Mallis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nicole Mallis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicole Mallis reassigns Medicare benefits to Nicole Mallis Lcsw LLC (West Chester, PA). 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 Nicole Mallis'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 Nicole Mallis was last updated on May 6, 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.