Doctor profile · Federal record

Dr. Kathleen Wilk-van Essendelft, LCSW

Clinical Social Worker · Miller Place, NY

  • NPI 1821134578
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
595 Route 25A Ste 20
Miller Place, NY 117642647
(631) 744-5500
fax (631) 744-5677

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
January 8, 2008
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
New York #R040232

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821134578. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
488
Distinct HCPCS
1
Medicare allowed
$40,192
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 488 22 $82

In context: peer comparison

Among 1 peers in Miller Place Clinical Social Worker, average services per provider: 488. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathleen Wilk-van Essendelft's medical specialty?
Dr. Kathleen Wilk-van Essendelft practices Clinical Social Worker in Miller Place, NY.
Where does Dr. Kathleen Wilk-van Essendelft practice?
Dr. Kathleen Wilk-van Essendelft practices at 595 Route 25A Ste 20, Miller Place, NY 117642647. Office phone: 6317445500.
What is Dr. Kathleen Wilk-van Essendelft's NPI?
Dr. Kathleen Wilk-van Essendelft's National Provider Identifier (NPI) is 1821134578, issued by NPPES.
Does Dr. Kathleen Wilk-van Essendelft accept Medicare assignment?
Yes. Dr. Kathleen Wilk-van Essendelft accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Wilk-van Essendelft commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 14, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›