The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Medicare assignment not listed

CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Compared with the same specialty in Glenview and Illinois

43 active clinicians are listed under Counselor - Professional with a practice address in Glenview, IL (9,512 in Illinois).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Glenview

2.3% of these 43 clinicians have the CMS telehealth indicator.

4.7% of these 43 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Specialties & License Numbers Reported to NPPES

Self-certified to NPPES: 2025-02-23

Counselor - Professional Primary Specialty

NUCC Taxonomy Code: 101YP2500X

License # reported to NPPES IL 178.004020

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Illinois Department of Financial and Professional Regulation.

Look Up on State Board Site

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

7 Historical Events

📍

Updated Practice Location February 23, 2025

Registered at 237 MONTGOMERY LN, GLENVIEW, IL 600254926 (Tel: 7082030038)

✅

NPI Profile Active March 14, 2024

NPI status registered as active in NPPES database

📍

Practice Location (Initial Record) March 14, 2024

Registered at 134 N LASALLE STREET, SUITE 1810, CHICAGO, IL 60602 (Tel: 3124560225)

📍

Business Mailing Address (Initial Record) March 14, 2024

Registered at 237 MONTGOMERY LN, GLENVIEW, IL 600254926 (Tel: 7082030038)

👤

Provider Name / Credentials (Initial Record) March 14, 2024

Recorded as KATARZYNA FERGEMANN, M.A. LPC

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 14, 2024

Counselor (license number reported to NPPES: IL 178.004020)

🟢

Initial NPI Registration & Enumeration March 14, 2024

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1629837570

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: March 14, 2024

Last Update: February 23, 2025

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

237 Montgomery Ln

Glenview, IL 600254926

Phone: 7082030038

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.