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

Sarah L Regan, MD

Individual provider Family Medicine Physician · NPI 1386852101

Sarah L Regan, MD is a Family Practice in Leesburg, Virginia. Graduated from Northwestern University Feinberg Medical School in 2004, 22 years ago. Practices with Loudoun Medical Group, PC, a 274-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
22
Trained at
Northwestern University Feinberg Medical School
Licensed in
VA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

51 Catoctin Cir NE
Leesburg, VA 20176-3100
Phone: (703) 777-9510
Fax: (571) 665-6801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 0101241656 (VA)

Record details

NPI number1386852101
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2007
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 2004 (22 years in practice)
Group practice Loudoun Medical Group, Pc — 274 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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