Dr. Phyllis Daen , PhD
Psychologist • Glen Echo, MD
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Phyllis Daen has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Phyllis Daen, PhD was a registered Psychologist practicing in Glen Echo, MD. Throughout an active medical career spanning 19 years, Dr. Daen provided care at the practice location at 6000 HARVARD AVE until profile deactivation on 2025-07-24.
Historical Medicare Part B clinical services included psychotherapy. Public procedure reimbursement records and service volume details are provided below for historical transparency.
Practice Location & Contact Primary Location
6000 Harvard Ave
Glen Echo, MD 208121114
Specialty Benchmarks & Practice Insights
Comparative analytics for Psychologist in Glen Echo, MD
Practicing in Glen Echo, MD (1248 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
90837
Psychotherapy, 60 minutes
|
152 | 16 | $156.51 | $145.63 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 103T00000X
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Psychologist - Clinical
Doctor of Philosophy (Ph.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on July 24, 2025
NPI status registered as active in NPPES database
Registered at 6000 HARVARD AVE, GLEN ECHO, MD 208121114 (Tel: 3019510330)
Registered at 6000 HARVARD AVE, GLEN ECHO, MD 208121114 (Tel: 3019510330)
Recorded as PHYLLIS DAEN, PHD
Psychologist (License #952 in MD)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
6000 Harvard Ave
Glen Echo, MD 208121114
Phone: 3019510330
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