Madeleine Margaret Gillwald, FNP
Family Nurse Practitioner · Arlington, VA
At a glance
4600 Langston Blvd, Arlington, VA 22207
NPPES record updated Jan 26, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4600 Langston BlvdArlington, VA 22207
Additional reported practice locations
180 Maple Ave WVienna, VA 221805727
Phone: 7039385300
Fax: 7032420726 8357 Leesburg Pike
Vienna, VA 221822493
Phone: 5716656400
Fax: 5716656401 8302 Old Courthouse Rd Ste C
Vienna, VA 221823873
Phone: 7034628138
Fax: 7034628139 6201 Centreville Rd Ste 200
Centreville, VA 201212626
Phone: 7038305600
Fax: 7038306942 24801 Pinebrook Rd Ste 110
Chantilly, VA 201524113
Phone: 7037222500
Fax: 7033271850 6230 Rolling Rd Ste Iandj
Springfield, VA 221522307
Phone: 5716656460
Fax: 5716656561 3300 Gallows Rd
Falls Church, VA 220423307
Phone: 7037255596 1488 Northpoint Village Ctr
Reston, VA 201941190
Phone: 5715255850
Fax: 5715255851 4600 Lee Hwy Ste C
Arlington, VA 222073419
Phone: 5714923080
Fax: 5714923081
Education & affiliations
- Medical / professional school
- University Of South Alabama College Of Medicine
- Graduation year
- 2017
- CMS specialties
- Nurse Practitioner
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Family Nurse Practitioner
- Taxonomy code
- 363LF0000X
- Enumeration date
- Mar 25, 2014
- Record updated
- Jan 26, 2023
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- MADELEINE MARGARET GAWNE
- Reported credentials
- FNP
Reported taxonomies and licenses
163W00000X
License reported: RN1019855 DC
363LF0000X · Primary
License reported: 0024174872 VA
163WC0200X
License reported: 0001241677 VA
163WN0002X
License reported: 0001241677 VA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4600 Langston BlvdArlington, VA 22207
- Phone
- (571) 492-3080
- Fax
- (571) 492-3081
Mailing address
4600 LANGSTON BOULEVARDARLINGTON, VA 22207
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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