Psychologist | Clinical Psychology | 46+ years experience

Dr. Dana Elizabeth O'brien, PHD

11119 Rockville Pike, Suite 200, Rockville, Maryland, 20852-3143

About Dr. Dana Elizabeth O'brien

Dr. Dana Elizabeth O'brien is a psychologist based in Rockville, Maryland with 46 years of experience in Clinical Psychology. She completed her graduation in 1980. 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. Dana Elizabeth O'brien is 01577 for Clinical Psychology in Maryland. Her current practice location is 11119 Rockville Pike, Suite 200, Rockville. Patients can contact her at 301-231-9665 or can fax her at 301-231-0129. Dr. Dana Elizabeth O'brien, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1184726846.

Dr. Dana Elizabeth 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). 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. Dana Elizabeth O'brien'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. Dana Elizabeth O'brien
Specialization Clinical Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 46+ years
Graduation Year 1980
Gender Female
Practice Address: 11119 Rockville Pike, Suite 200
Rockville, MD - 20852-3143
Fax 301-231-0129

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 2769514777
Enrollment ID I20100827000080
NPI Number1184726846
NPI Enumeration Date: 02 Sep, 2006
NPI Last Update On: 07 Jan, 2017

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. Dana Elizabeth O'brien are as mentioned below.

License NumberSpecializationStateStatus
01577Clinical Psychology MarylandPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Dana Elizabeth O'brien such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
52-2052512OtherMarylandFEDERAL TAX ID

Mailing Address

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

Dr. Dana Elizabeth O'brien
11119 Rockville Pike, Suite 200
Rockville, MD - 20852-3143
Phone: 301-231-9665
Fax: 301-231-0129

Book an Appointment with Dr. Dana Elizabeth O'brien

To schedule an appointment, contact Dr. Dana Elizabeth O'brien at 11119 Rockville Pike, Suite 200, Rockville, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. Dana Elizabeth O'brien:

Dr. Dana Elizabeth O'brien 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. Dana Elizabeth O'brien has approximately 46 years of experience in Clinical Psychology.

Yes, Dr. Dana Elizabeth O'brien accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Dana Elizabeth O'brien 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. Dana Elizabeth O'brien practices at 11119 Rockville Pike, Suite 200, Rockville, Maryland, 20852-3143.

To schedule an appointment with Dr. Dana Elizabeth O'brien, please contact the office at 301-231-9665.

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