Quick answers
- Which hospitals does Kristy L. Diffley work at?
- Medicare's official clinician data lists Kristy L. Diffley at 4 hospitals: Fauquier Hospital, UVA Health Culpeper Medical Center, UVA Health Haymarket Medical Center and UVA Health Prince William Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kristy L. Diffley see patients?
- Medicare's clinician data lists 1 practice location in Manassas, VA. Call before your visit to confirm the address.
- What is Kristy L. Diffley's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Kristy L. Diffley accept Medicare assignment?
- Yes. Medicare's clinician data says Kristy L. Diffley 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 Kristy L. Diffley?
- (703) 369-5959, as listed in official Medicare / NPI Registry data.
- What is Kristy L. Diffley's NPI number?
- 1154828150. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kristy L. Diffley works
Medicare's Facility Affiliation Data lists Kristy L. Diffley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Fauquier HospitalWarrenton, VA · Acute Care Hospital · CCN 490023
- UVA Health Culpeper Medical CenterCulpeper, VA · Acute Care Hospital · CCN 490019
- UVA Health Haymarket Medical CenterHaymarket, VA · Acute Care Hospital · CCN 490144
- UVA Health Prince William Medical CenterManassas, VA · Acute Care Hospital · CCN 490045
Practice locations
Addresses where Kristy L. Diffley is enrolled with Medicare (CMS data updated 2026-10-02).
- 8640 Sudley Rd, Suite 302Manassas, VA 20110 (703) 369‑5959
Group practices
Medicare enrollment lists Kristy L. Diffley as a member of this group (CMS data updated 2026-10-02).
- UVA Community Health Medical Group LLC340 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Manassas
Clinicians with the same Medicare primary specialty in Manassas, VA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1154828150 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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