Dr. John Matthew O'brien is a Portland, Maine based psychologist with 29 years of experience in Clinical Psychology. He completed his graduation in 1996. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. John Matthew O'brien is PS932 for Clinical Psychology in Maine. His current practice location is 465 Congress St, Ste 700, Portland. Patients can reach him at 207-773-2828 or can fax him at 207-761-8150. Dr. John Matthew O'brien is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1720083504. Dr. John Matthew O'brien 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.
Complete Profile:
Dr. John Matthew O'brien speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
Name:
Dr. John Matthew O'brien
Specialization:
Clinical Psychology
Gender:
Male
Credentials:
PH.D.
Experience:
29+ years
Medical School Attended:
Other
Graduation Year:
1996
Accepts Medicare Assignment:
Yes
Practice Address:
465 Congress St, Ste 700, Portland, Maine, 04101-3539
Phone:
207-773-2828
Fax:
207-761-8150
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.
PAC ID:
2769427020
Enrollment ID:
I20050627001032
NPI Number:
1720083504
NPI Enumeration Date:
17 Jun, 2005
NPI Last Update On:
08 Jul, 2007
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. John Matthew O'brien are as mentioned below.
License Number
Specialization
State
Status
PS932
Clinical Psychology
Maine
Primary
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which Dr. John Matthew O'brien is associated with along with the number of members in that group.
Organization Name (Group PAC ID)
Members
Mental Health Associates Of Maine Llc (2961565817)
3
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
Address:
Dr. John Matthew O'brien 465 Congress St, Ste 700 Portland, Maine
Zip:
04101-3539
Phone Number:
207-773-2828
Fax Number:
207-761-8150
Patients can reach Dr. John Matthew O'brien at 465 Congress St, Ste 700, Portland, Maine or can call to book an appointment on 207-773-2828.
Comments/ Reviews:
*Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 10 March, 2025.