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DR. KAREN A DECOCKER DNP, PMHNP
NPI 1629273834
Nurse Practitioner - Psychiatric/Mental Health in Westmont, IL

Active since June 18, 2007PECOS Enrolled
1 E OAKHILL DR STE 100, WESTMONT, IL 60559(574) 220-4676(574) 406-7309 Get Directions Write a Review

NPPES record last updated: March 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 7, 2025, Oct 17, 2023, Mar 7, 2023 and 2 more (5 updates tracked since 2015).

About Dr. Karen A Decocker Dnp, Pmhnp NPPES

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

DR. KAREN A DECOCKER DNP, PMHNP (NPI 1629273834) is an individual psychiatric/mental health provider in Westmont, Illinois, licensed in Illinois (277.003915) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1629273834
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameDR. KAREN A DECOCKERCredential: DNP, PMHNP
Location Address1 E OAKHILL DR STE 100Westmont, IL 60559-5540
Mailing Address8000 Warren Woods Rd Lot 68Three Oaks, MI 49128-9573 · (574) 220-4676
Phone(574) 220-4676
Fax(574) 406-7309
Sole ProprietorNo
Enumeration DateJune 18, 2007
Last NPPES UpdateMarch 7, 20255 updates tracked since enumeration
NPPES CertifiedMarch 7, 2025
✔ NPI 1629273834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
Licenses✔ Licensed in IL · 277.003915✔ Licensed in IL · 209013436✔ Licensed in IL · 290.013436
1 E OAKHILL DR STE 100, Westmont, IL 60559
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Other Names 1

Former Name (1)Karen Ann Sandock

Other Identifiers 1

Medicaid5215366MI

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 (PECOS)

Dr. Karen A Decocker Dnp, Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60559 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
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
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 4

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

GERSON SANTIZO MSN, APRN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1 E OAKHILL DR STE 100
WESTMONT, IL 60559
Dupage County (855) 519-2122
HEATHER MILLER DNP
Nurse Practitioner (Psychiatric/Mental Health)
1 E OAKHILL DR STE 100
WESTMONT, IL 60559
Dupage County (630) 672-4266
LIPOV MEDICAL SC
Psychiatry & Neurology (Psychiatry)
1 E OAKHILL DR STE 100
WESTMONT, IL 60559
Dupage County (937) 838-0568
JONATHAN MARAVELIAS APRN
Nurse Practitioner (Psychiatric/Mental Health)
1 E OAKHILL DR STE 100
WESTMONT, IL 60559
Dupage County (773) 694-1170

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 Karen Decocker's NPI number?

The NPI number for Karen Decocker is 1629273834. It was assigned to this individual provider in the NPPES registry on June 18, 2007. The provider is also known as Karen Ann Sandock.

Where is Karen Decocker located?

Karen Decocker practices at 1 E Oakhill Dr Ste 100, Westmont, IL 60559. The listed phone number is (574) 220-4676.

What is Karen Decocker's specialty?

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

Is Karen Decocker enrolled in Medicare?

Yes. Karen Decocker is registered in the Medicare PECOS enrollment system.

What insurance does Karen Decocker accept?

Health plans from Providence Health Plan list Karen Decocker 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 Karen Decocker was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.