Psychologist | Clinical Psychology | 43+ years experience

Dr. Katherine Marie Muir, PH.D

450 Waverly Ave Ste 11, Patchogue, New York, 11772-1555

About Dr. Katherine Marie Muir

Dr. Katherine Marie Muir is a psychologist based in Patchogue, New York with 43 years of experience in Clinical Psychology. She completed her graduation in 1983. She accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Katherine Marie Muir is 008630-1 for Clinical Psychology in New York. Her current practice location is 450 Waverly Ave Ste 11, Patchogue. Patients can contact her at 631-338-0671. Dr. Katherine Marie Muir, PH.D, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1982802708.

Dr. Katherine Marie Muir is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. Katherine Marie Muir's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Katherine Marie Muir
Specialization Clinical Psychology
Credentials PH.D
Accepts Medicare Assignment Yes
Experience 43+ years
Graduation Year 1983
Gender Female
Practice Address: 450 Waverly Ave Ste 11,
Patchogue, NY - 11772-1555

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 0648438507
Enrollment ID I20120223000054
NPI Number1982802708
NPI Enumeration Date: 03 Jul, 2007
NPI Last Update On: 17 Nov, 2020

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Katherine Marie Muir are as mentioned below.

License NumberSpecializationStateStatus
008630-1Clinical Psychology New YorkPrimary

Mailing Address

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

Dr. Katherine Marie Muir
4 Oakhurst Rd,
Hampton Bays, NY - 11946-1555
Phone: 631-338-0671

Book an Appointment with Dr. Katherine Marie Muir

To schedule an appointment, contact Dr. Katherine Marie Muir at 450 Waverly Ave Ste 11, Patchogue, New York or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Katherine Marie Muir:

Dr. Katherine Marie Muir is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Dr. Katherine Marie Muir has approximately 43 years of experience in Clinical Psychology.

Yes, Dr. Katherine Marie Muir accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Katherine Marie Muir is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Katherine Marie Muir practices at 450 Waverly Ave Ste 11, Patchogue, New York, 11772-1555.

To schedule an appointment with Dr. Katherine Marie Muir, please contact the office at 631-338-0671.

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