Psychologist | Clinical Psychology | 26+ years experience

Dr. Mary Monaco Keller, ED.D.

55 Post Ave, Suite #205, Westbury, New York, 11590-4361

About Dr. Mary Monaco Keller

Dr. Mary Monaco Keller is a psychologist based in Westbury, New York with 26 years of experience in Clinical Psychology. She completed her graduation in 2000. 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. Mary Monaco Keller is 015524 for Clinical Psychology in New York. Her current practice location is 55 Post Ave, Suite #205, Westbury. Patients can contact her at 631-921-8561. Dr. Mary Monaco Keller, ED.D., specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1043254089.

Dr. Mary Monaco Keller 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. Mary Monaco Keller'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. Mary Monaco Keller
Specialization Clinical Psychology
Credentials ED.D.
Accepts Medicare Assignment Yes
Experience 26+ years
Graduation Year 2000
Gender Female
Practice Address: 55 Post Ave, Suite #205
Westbury, NY - 11590-4361

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 8527083112
Enrollment ID I20061020000430
NPI Number1043254089
NPI Enumeration Date: 16 Jun, 2006
NPI Last Update On: 09 Jul, 2010

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. Mary Monaco Keller are as mentioned below.

License NumberSpecializationStateStatus
015524Clinical 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. Mary Monaco Keller
4 Oak Pl,
Southampton, NY - 11968-1525
Phone: 631-283-3296
Fax: 631-283-3296

Book an Appointment with Dr. Mary Monaco Keller

To schedule an appointment, contact Dr. Mary Monaco Keller at 55 Post Ave, Suite #205, Westbury, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mary Monaco Keller:

Dr. Mary Monaco Keller 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. Mary Monaco Keller has approximately 26 years of experience in Clinical Psychology.

Yes, Dr. Mary Monaco Keller accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Mary Monaco Keller 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. Mary Monaco Keller practices at 55 Post Ave, Suite #205, Westbury, New York, 11590-4361.

To schedule an appointment with Dr. Mary Monaco Keller, please contact the office at 631-921-8561.

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