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Clinical Social Worker

Thomas Colligan, CSW

Sees patients in Frederick, MD · Baltimore, MD · Columbia, MD · Maryland

Summary

Thomas Colligan, CSW (Clinical Social Worker) is enrolled with Medicare at 3 practice locations in Frederick, MD, Baltimore, MD and Columbia, MD. NPI 1316276900. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Colligan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Clinical Social WorkerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
28Years since medical school (graduated 1998)
MaleGender (as listed)
Mosaic Community Services, IncGroup practice (+1 more)

Quick answers

Where does Thomas Colligan see patients?
Medicare's clinician data lists 3 practice locations, including Frederick, MD, Baltimore, MD and Columbia, MD. Call before your visit to confirm the address.
What is Thomas Colligan's specialty?
Medicare lists Clinical Social Worker as the primary specialty.
Does Thomas Colligan accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Colligan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Thomas Colligan offer telehealth?
Medicare's clinician data says Thomas Colligan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Thomas Colligan?
(301) 663-8263, as listed in official Medicare / NPI Registry data.
What is Thomas Colligan's NPI number?
1316276900. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Thomas Colligan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas Colligan as a member of these groups (CMS data updated 2026-10-02).

  • Mosaic Community Services, Inc60 clinicians in the group
  • Frederick Behavioral Health Services, LLC7 clinicians in the group

Specialties

Find other clinicians: Clinical Social Worker, Maryland →

Other clinical social workers in Frederick

Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.

All clinical social workers in Frederick →

Clinician information

CredentialCSW
Graduation year1998
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1316276900
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians