Mrs. Theresa Margaret O'halloran

LMHC | Mental Health Counselor


  1689 Route 22, Brewster
     New York, 10509-4022
  845-279-2995    Maps & Directions
Mrs. Theresa Margaret O'halloran is a Brewster, New York based counselor who is specialized as Mental Health Counselor. Active license number of Mrs. Theresa Margaret O'halloran is 008499 for Mental Health Counselor in New York. Her current practice location is 1689 Route 22, Brewster. Patients can book an appointment with her at 845-279-2995.
Mrs. Theresa Margaret O'halloran 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:
Mrs. Theresa Margaret O'halloran 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: Mrs. Theresa Margaret O'halloran
Specialization: Mental Health Counselor
Gender:Female
Credentials: LMHC
Accepts Medicare Assignment:No
Practice Address:1689 Route 22, Brewster,
New York, 10509-4022
Phone:845-279-2995
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: 1366912172
NPI Enumeration Date: 05 Dec, 2018
NPI Last Update On: 05 Dec, 2018

Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Mrs. Theresa Margaret O'halloran are as mentioned below.
License NumberSpecializationStateStatus
008499Mental Health Counselor New YorkPrimary
Other Medical Identifiers:
Other legacy medical identifiers associated with Mrs. Theresa Margaret O'halloran such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
82113209500OtherNew YorkMVP
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address: 42 Meadow Ln,
Pleasant Valley, New York
Zip: 12569-7038
Phone Number: 845-625-8827
Patients can reach Mrs. Theresa Margaret O'halloran at 1689 Route 22, Brewster, New York or can call to book an appointment on 845-279-2995.
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 09 June, 2025.

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