Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1699636720 Individual Practitioner Female Practitioner

Catherine Day

Psychologist • Frederick, MD

Professional Overview & Biography Verified Profile Summary

Catherine Day is a registered healthcare professional specializing in Psychologist in Frederick, MD. Practice services are available at 10 N JEFFERSON ST STE 203 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

10 N Jefferson St Ste 203

Frederick, MD 217014865

Telephone 2027501028
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Psychologist in Frederick, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 29.0 Yrs
State Avg: 27.5 Yrs
Regional Practice Density
28 Specialists

Practicing in Frederick, MD (1248 Statewide)

Telehealth Adoption Rate
17.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-05-22
Psychologist Primary Specialty

NUCC Taxonomy Code: 103T00000X

State License MD A01225

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.

Secondary Practice Locations

6010 Executive Blvd Unit 303

Rockville, MD 208523809

Phone: 2027501028

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

10 Associated Practitioners
Harleigh Robbins , LCPC, LPC, LGPC

Counselor - Mental Health

NPI 1003574104

Licensed Clinical Professional Counselor, Licensed Professional Counselor, LGPC

Mallory Simmons , LGPC

Counselor - Professional

NPI 1215682042
Kate Meadows

Counselor

NPI 1215806690
NPI 1316516479

Master of Science

Tracey Biagas , LGPC

Counselor - Mental Health

NPI 1558067892
Stephanie Miller , LCPC

Counselor - Mental Health

NPI 1558848655

Licensed Clinical Professional Counselor

Career & Practice History Timeline

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

8 Historical Events
📍
Updated Business Mailing Address May 22, 2026

Registered at 6010 EXECUTIVE BLVD UNIT 303, ROCKVILLE, MD 208523809 (Tel: 2027501028)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 22, 2026

Psychologist (License #A01225 in MD)

NPI Profile Active November 19, 2025

NPI status registered as active in NPPES database

📍
Updated Practice Location November 19, 2025

Registered at 10 N JEFFERSON ST STE 203, FREDERICK, MD 217014865 (Tel: 2027501028)

📍
Updated Business Mailing Address November 19, 2025

Registered at 3030 GREENMOUNT AVE STE 300, PMB 838088, BALTIMORE, MD 212186907 (Tel: 3016838924)

👤
Provider Name / Credentials Updated November 19, 2025

Recorded as CATHERINE DAY

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) November 19, 2025

Psychologist (License #A01255 in MD)

🟢
Initial NPI Registration & Enumeration November 19, 2025

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1699636720
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 19, 2025
Last Update: May 22, 2026
Sole Proprietor: No

Mailing Address

6010 Executive Blvd Unit 303

Rockville, MD 208523809

Phone: 2027501028

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.