Mental Health Therapist

Gretchen Lynn Koster

217 E 24th St Ste 201, Holland, Michigan, 49423-4973

About Gretchen Lynn Koster

Gretchen Lynn Koster is a therapist based in Holland, Michigan who is specialized in Mental Health Counselor. Her current practice location is 217 E 24th St Ste 201, Holland. Patients can reach her at 616-258-0287. Gretchen Lynn Koster NPI number (Unique professional ID assigned by NPPES) is 1558151720.

Gretchen Lynn Koster 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.

Practice Information

Gretchen Lynn Koster speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Gretchen Lynn Koster
Specialization Mental Health Counselor
Gender Female
Practice Address: 217 E 24th St Ste 201,
Holland, MI - 49423-4973

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 Number1558151720
NPI Enumeration Date: 09 May, 2025
NPI Last Update On: 09 May, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Gretchen Lynn Koster are as mentioned below.

License NumberSpecializationStateStatus
Mental Health Counselor Primary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Gretchen Lynn Koster
217 E 24th St Ste 201,
Holland, MI - 49423-4973

Book an Appointment with Gretchen Lynn Koster

To schedule an appointment, contact Gretchen Lynn Koster at 217 E 24th St Ste 201, Holland, Michigan or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gretchen Lynn Koster:

Gretchen Lynn Koster is a therapist specializing in Mental Health Counselor. She 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.

Yes, Gretchen Lynn Koster is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Gretchen Lynn Koster practices at 217 E 24th St Ste 201, Holland, Michigan, 49423-4973.

To schedule an appointment with Gretchen Lynn Koster, please contact the office at 616-258-0287.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.