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MRS. KATHLEEN ANNE WILK-VAN ESSENDELFT LCSW
NPI 1821134578
Social Worker - Clinical in Miller Place, NY

Active since January 29, 2007PECOS EnrolledAccepts Medicare Assignment
595 ROUTE 25A STE 20, MILLER PLACE, NY 11764(631) 744-5500(631) 744-5677 Get Directions Write a Review

NPPES record last updated: January 8, 2008. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mrs. Kathleen Anne Wilk-van Essendelft Lcsw NPPES

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

MRS. KATHLEEN ANNE WILK-VAN ESSENDELFT LCSW (NPI 1821134578) is an individual clinical provider in Miller Place, New York, licensed in New York (R040232) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1989).

NPPES Registry Identity

NPI1821134578
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMRS. KATHLEEN ANNE WILK-VAN ESSENDELFTCredential: LCSW
Location Address595 ROUTE 25A STE 20Miller Place, NY 11764-2647
Mailing Address595 Route 25a Ste 20Miller Place, NY 11764-2647 · (631) 744-5500 · Fax (631) 744-5677
Phone(631) 744-5500
Fax(631) 744-5677
Sole ProprietorNo
Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1989
Enumeration DateJanuary 29, 2007
Last NPPES UpdateJanuary 8, 2008
✔ NPI 1821134578 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 NY · R040232
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.
595 ROUTE 25A STE 20, Miller Place, NY 11764
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Other Identifiers 1

Medicare ID-Type UnspecifiedN7C891NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Kathleen Anne Wilk-van Essendelft 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 ID4688746845
PECOS Enrollment IDI20080730000831
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
459 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11764 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 $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 3

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

GAIL A. RIVERA LMSW
Social Worker
595 ROUTE 25A STE 20
MILLER PLACE, NY 11764
Suffolk County (631) 744-5500
JEAN M GRIFFITHS LMT
Massage Therapist
595 ROUTE 25A STE 20
MILLER PLACE, NY 11764
Suffolk County (631) 849-1586
FAMILY CARE COUNSELING SERVICES, LCSW,P.C.
Social Worker (Clinical)
595 ROUTE 25A STE 20
MILLER PLACE, NY 11764
Suffolk County (631) 744-5500

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 Kathleen Wilk-van Essendelft's NPI number?

The NPI number for Kathleen Wilk-van Essendelft is 1821134578. It was assigned to this individual provider in the NPPES registry on January 29, 2007.

Where is Kathleen Wilk-van Essendelft located?

Kathleen Wilk-van Essendelft practices at 595 Route 25A Ste 20, Miller Place, NY 11764. The listed phone number is (631) 744-5500.

What is Kathleen Wilk-van Essendelft's specialty?

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

Is Kathleen Wilk-van Essendelft enrolled in Medicare?

Yes. Kathleen Wilk-van Essendelft 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.

What insurance does Kathleen Wilk-van Essendelft accept?

Health plans from Providence Health Plan list Kathleen Wilk-van Essendelft 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 Kathleen Wilk-van Essendelft was last updated on January 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.