Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Gillian A. Jacob, MD

Sees patients in Leesburg, VA · Potomac Falls, VA · Virginia

Summary

Gillian A. Jacob, MD (Obstetrics/Gynecology) is enrolled with Medicare at 2 practice locations in Leesburg, VA and Potomac Falls, VA. NPI 1285617498. 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 Gillian A. Jacob, 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

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
University Of Maryland School Of MedicineMedical school
FemaleGender (as listed)
Capital Womens Care LLCGroup practice

Quick answers

Where does Gillian A. Jacob see patients?
Medicare's clinician data lists 2 practice locations, including Leesburg, VA and Potomac Falls, VA. Call before your visit to confirm the address.
What is Gillian A. Jacob's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Gillian A. Jacob accept Medicare assignment?
Yes. Medicare's clinician data says Gillian A. Jacob 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.
What is the phone number for Gillian A. Jacob?
(703) 777-5111, as listed in official Medicare / NPI Registry data.
What is Gillian A. Jacob's NPI number?
1285617498. 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 Gillian A. Jacob is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Gillian A. Jacob as a member of this group (CMS data updated 2026-10-02).

  • Capital Womens Care LLC281 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Virginia →

Other OB-GYNs in Leesburg

Clinicians with the same Medicare primary specialty in Leesburg, VA — not a recommendation.

All OB-GYNs in Leesburg →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year2001
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285617498
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