Katherine Knapp Lengyel

J.D., M.S., LPC | Mental Health Counselor


  2600 Eldorado Pkwy, Suite 230, Mckinney
     Texas, 75070-4367
  360-528-0059    Maps & Directions
Katherine Knapp Lengyel is a Mckinney, Texas based counselor who is specialized as Mental Health Counselor. Active license number of Katherine Knapp Lengyel is 62906 for Professional Counselor in Texas. Her current practice location is 2600 Eldorado Pkwy, Suite 230, Mckinney. Patients can book an appointment with her at 360-528-0059.
Katherine Knapp Lengyel is a licensed professional who helps individuals, couples, and families manage and overcome emotional, psychological, and behavioral challenges. She assess clients’ mental health conditions and develop personalized treatment plans to provide therapy for a range of mental health issues, including anxiety, depression, trauma, relationship issues, stress, grief, and life transitions.
Complete Profile:
Katherine Knapp Lengyel speciality, credentials, practice address, contact phone number and fax are as below. Patients can directly walk in or can call on the below given phone number for appointment.
Name: Katherine Knapp Lengyel
Specialization: Mental Health Counselor
Gender:Female
Credentials: J.D., M.S., LPC
Accepts Medicare Assignment:No
Practice Address:2600 Eldorado Pkwy, Suite 230, Mckinney,
Texas, 75070-4367
Phone:360-528-0059
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.
NPI Number: 1447565486
NPI Enumeration Date: 14 Aug, 2010
NPI Last Update On: 14 Feb, 2016

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Katherine Knapp Lengyel are as mentioned below.
License NumberSpecializationStateStatus
62906Professional Counselor TexasPrimary
LH60134000Mental Health Counselor WashingtonSecondary
4561Professional Counselor LouisianaSecondary
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: Po Box 554,
Melissa, Texas
Zip: 75454-0554
Phone Number: 360-528-0059
Patients can reach Katherine Knapp Lengyel at 2600 Eldorado Pkwy, Suite 230, Mckinney, Texas or can call to book an appointment on 360-528-0059.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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