Constance Halligan, PH.D.

Clinical Psychologist

Constance Halligan is a Clinical Psychologist based in Ellicott City, MD with over 47 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(410) 730-7333Ellicott City, MD
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Constance Halligan, PH.D. has practiced psychology for 47+ years, working in independent practice. She has been practicing since 2007 — over 47 years. A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to age...

1 of 133 Psychologist providers in MDSee all Psychologist in Ellicott City47+ years experienceNPI since 2007

Older · 6894dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Maryland Board of Physicians

Contact & Location

Practice Location

5022 Dorsey Hall Dr Suite 101, Ellicott City, MD 21042-7711

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. 47 years in practice

    Senior practitioner

PsychologistBehavioral Health & Social Service Providers

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

Taxonomy: 103TC0700X

Virtual Psychology Care With Constance Halligan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Constance Halligan for follow-ups, medication reviews, and ongoing care — no travel to Ellicott City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Constance Halligan

Dr. Halligan is listed as active in the NPI registry with telehealth listed in Ellicott City, MD. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (410) 730-7333.

Verified across 2 federal data sources

Sourced from CMS NPPES · OIG LEIE. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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