Therapist

James Ostendarp, LMHC

48 Sanderson St, Greenfield, Massachusetts, 01301-2715

About James Ostendarp

James Ostendarp is a therapist based in Greenfield, Massachusetts who is specialized in Counselor. Active license number of James Ostendarp is 774 for Counselor in Massachusetts. His current practice location is 48 Sanderson St, Greenfield. Patients can reach him at 413-773-4449. James Ostendarp is LMHC in Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1538383575.

James Ostendarp is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.

Practice Information

James Ostendarp 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 James Ostendarp
Specialization Counselor
Credentials LMHC
Gender Male
Practice Address: 48 Sanderson St,
Greenfield, MA - 01301-2715

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 Number1538383575
NPI Enumeration Date: 12 Apr, 2007
NPI Last Update On: 15 Jan, 2008

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 James Ostendarp are as mentioned below.

License NumberSpecializationStateStatus
774Counselor MassachusettsPrimary
774Social Worker MassachusettsSecondary

Mailing Address

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

James Ostendarp
48 Sanderson St,
Greenfield, MA - 01301-2715
Phone: 413-773-4449

Book an Appointment with James Ostendarp

To schedule an appointment, contact James Ostendarp at 48 Sanderson St, Greenfield, Massachusetts or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about James Ostendarp:

James Ostendarp is a therapist specializing in Counselor. He is a trained and licensed mental health professional who helps individuals, couples, or groups manage and overcome emotional, psychological, behavioral, or relationship challenges. He works with people dealing with anxiety, depression, mood disorders, trauma, post-traumatic stress disorder (PTSD), grief and loss etc. He support his clients by understanding their thoughts, emotions, and behaviors.

Yes, James Ostendarp is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

James Ostendarp practices at 48 Sanderson St, Greenfield, Massachusetts, 01301-2715.

To schedule an appointment with James Ostendarp, please contact the office at 413-773-4449.

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