Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1740394956 Deactivated / Inactive NPI Female Practitioner

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.

Registration / Start Date August 18, 2006
NPI Deactivation Date July 24, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

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

Practice Address

6000 Harvard Ave

Glen Echo, MD 208121114

Telephone 3019510330
Fax 3019861741
Associated Practice Facility / Clinic
🏢 Westriver Therapy Facility NPI 1962940759

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Glen Echo, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 10.5 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
1 Specialists

Practicing in Glen Echo, MD (1248 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
7.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
90837 Psychotherapy, 60 minutes
152 16 $156.51 $145.63

Medical Specialties & State Licenses

Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License MD 952

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

1 Associated Practitioners
Dr. Meris Steele , PhD

Psychologist - Clinical

NPI 1033283312

Doctor of Philosophy (Ph.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events
⚠️
NPI Profile Deactivated July 24, 2025

Record deactivated on July 24, 2025

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 6000 HARVARD AVE, GLEN ECHO, MD 208121114 (Tel: 3019510330)

📍
Updated Business Mailing Address July 08, 2007

Registered at 6000 HARVARD AVE, GLEN ECHO, MD 208121114 (Tel: 3019510330)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as PHYLLIS DAEN, PHD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Psychologist (License #952 in MD)

🟢
Initial NPI Registration & Enumeration August 18, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Phyllis Daen. Be the first to share your experience!

Sign in to leave a review for Dr. Phyllis Daen

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1740394956
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 18, 2006
Last Update: July 08, 2007
Deactivation Date: July 24, 2025

Mailing Address

6000 Harvard Ave

Glen Echo, MD 208121114

Phone: 3019510330

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.