Quick answers
- Where does Julie Sim see patients?
- Medicare's clinician data lists 5 practice locations, including Fredericksburg, VA, Largo, MD and Springfield, VA. Call before your visit to confirm the address.
- What is Julie Sim's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Julie Sim accept Medicare assignment?
- Yes. Medicare's clinician data says Julie Sim 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 Julie Sim?
- (540) 368-3700, as listed in official Medicare / NPI Registry data.
- What is Julie Sim's NPI number?
- 1912985276. 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 Julie Sim is enrolled with Medicare (CMS data updated 2026-10-02).
- 1201 Hospital DrFredericksburg, VA 22401 (540) 368‑3700
- 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
- 6551 Loisdale CtSpringfield, VA 22150 (703) 922‑1000
- 7190 Crestwood BlvdFrederick, MD 21703 (240) 529‑1700
- 8008 Westpark DrMc Lean, VA 22102 (703) 287‑6400
Group practices
Medicare enrollment lists Julie Sim as a member of this group (CMS data updated 2026-10-02).
- Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912985276 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians