Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William Gallagher, MD

Individual provider Family Medicine Physician · NPI 1437187648

William Gallagher, MD is a Family Practice in Colmar Manor, Maryland. Graduated from Temple University School of Medicine in 1993, 33 years ago. Practices with Medstar Medical Group II LLC, a 3,717-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
33
Trained at
Temple University School of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4151 Bladensburg Rd
Colmar Manor, MD 20722-1928
Phone: (301) 699-7700
Fax: (301) 779-9001
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1150 Varnum St Ne, Washington, DC 20017 — (202) 269-7000

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence D47141 (MD)

Record details

NPI number1437187648
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESOctober 22, 2018
Mailing address1150 Varnum St Ne, Washington, DC 20017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolTEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Medstar Medical Group Ii Llc — 3717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

Other providers in Colmar Manor