NPPES file of Aug 9, 2026

Karen A. Decocker, DNP, PMHNP

Psychiatric/Mental Health Nurse Practitioner · Westmont, IL

Karen A. Decocker, DNP, PMHNP is a psychiatric/mental health nurse practitioner with a practice address in Westmont, Illinois, and NPI 1629273834, issued on Jun 18, 2007. Check the license (Illinois 277.003915, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629273834
Name
Karen A. Decocker
Credential
DNP, PMHNP
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
277.003915 IL
209013436 IL
290.013436 IL
Self-reported in NPPES; status is on the state search
Practice location
1 E Oakhill Dr Ste 100, Westmont, IL 60559
Phone
(574) 220-4676
Enumerated
Jun 18, 2007
Record last updated
Mar 7, 2025
Fax
(574) 406-7309
Medicaid ID
5215366 MI
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1 E Oakhill Dr Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jonathan Maravelias, APRNPsychiatric/Mental Health Nurse Practitioner1962363101
  2. Heather Miller, DNPPsychiatric/Mental Health Nurse Practitioner1134993116
  3. Gerson Santizo, MSN, APRN, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1124827514

Verify Karen A. Decocker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 277.003915
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $582.96

6 payments; by number, the most common kind was food and beverage; the largest payer was Neuronetics, Inc. The 23,362 providers of this specialty with any payment received $1,027.77 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Karen Decocker$582.96
  2. Specialty average$1,027.77

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Karen A. Decocker among 1,530 psychiatric/mental health nurse practitioner records in Illinois

Karen A. Decocker, DNP, PMHNP is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 3% of them.

  • NPI issued2007 · 3% of these records are older, 96% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2025 · 17% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 psychiatric/mental health nurse practitioner records list a practice address in Westmont

They are 8 of the 814 NPPES records with a practice address in Westmont, and 1,530 psychiatric/mental health nurse practitioner records in Illinois.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Zachary Koester, DNPWestmont, IL 605591174332720
  2. Jonathan Maravelias, APRNWestmont, IL 605591962363101
  3. Heather Miller, DNPWestmont, IL 605591134993116
  4. Ana MiricaWestmont, IL 605591346507803
  5. Sara Pustai, DNPWestmont, IL 605591427909670
  6. Gerson Santizo, MSN, APRN, PMHNP-BCWestmont, IL 605591124827514
  7. Kellie Vaidya, APNWestmont, IL 605591346781879
  8. Susan Costello, APRNWestern Springs, IL 605581417704362

Common questions

What is Karen A. Decocker, DNP, PMHNP's NPI number?

Karen A. Decocker, DNP, PMHNP's National Provider Identifier (NPI) is 1629273834, issued on Jun 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen A. Decocker, DNP, PMHNP located?

The NPPES record lists a practice address at 1 E Oakhill Dr Ste 100, Westmont, IL, 60559. Phone: (574) 220-4676. Providers update this record themselves, so call before visiting.

How can I verify Karen A. Decocker, DNP, PMHNP's license?

NPPES lists Illinois license number 277.003915, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.