What is Madeleine Gillwald's NPI number?

Madeleine Gillwald's National Provider Identifier (NPI) is 1518384809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madeleine Gillwald's specialty?

Madeleine Gillwald is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).

Where is Madeleine Gillwald located?

Madeleine Gillwald's practice location on file with NPPES is 4600 Langston Blvd, Arlington, VA 22207.

What is Madeleine Gillwald's phone number?

The practice phone number listed in the NPPES registry for Madeleine Gillwald is (571) 492-3080.

Does Madeleine Gillwald accept Medicare?

Madeleine Gillwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Madeleine Gillwald's NPI active?

Yes — Madeleine Gillwald's NPI (1518384809) is active in the NPPES registry as of the last update on 2023-01-26.

IndividualActiveAccepts Medicare

Madeleine Gillwald, FNP

NPI 1518384809 · Family Nurse Practitioner · Arlington, VA

Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Madeleine Gillwald, FNP is a Family Nurse Practitioner provider in Arlington, VA (NPI 1518384809).

Provider details

NPI number: 1518384809
Entity type: Individual
Primary specialty: Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Credential: FNP
Sex: Female
Sole proprietor: No
License: RN1019855 (DC)

Specialties & taxonomies

Family Nurse PractitionerPrimary363LF0000XLicense 0024174872 (VA)
Physician Assistants & Advanced Practice Nursing Providers
Registered Nurse163W00000XLicense RN1019855 (DC)
Nursing Service Providers
Critical Care Medicine Registered Nurse163WC0200XLicense 0001241677 (VA)
Nursing Service Providers
Neonatal Intensive Care Registered Nurse163WN0002XLicense 0001241677 (VA)
Nursing Service Providers

Profile Score

Detailed profile(85/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
12 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
10 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

4600 Langston Blvd

Arlington, VA 22207

Phone: (571) 492-3080

Fax: (571) 492-3081

Approximate (ZIP-level) locationGet directions

More VA providers

Mailing address

4600 Langston Boulevard

Arlington, VA 22207

Additional practice locations (9)

4600 Lee Hwy Ste C
Arlington, VA 22207-3419
Phone: (571) 492-3080
Fax: (571) 492-3081
6201 Centreville Rd Ste 200
Centreville, VA 20121-2626
Phone: (703) 830-5600
Fax: (703) 830-6942
24801 Pinebrook Rd Ste 110
Chantilly, VA 20152-4113
Phone: (703) 722-2500
Fax: (703) 327-1850
3300 Gallows Rd
Falls Church, VA 22042-3307
Phone: (703) 725-5596
1488 Northpoint Village Ctr
Reston, VA 20194-1190
Phone: (571) 525-5850
Fax: (571) 525-5851
6230 Rolling Rd Ste Iandj
Springfield, VA 22152-2307
Phone: (571) 665-6460
Fax: (571) 665-6561
8357 Leesburg Pike
Vienna, VA 22182-2493
Phone: (571) 665-6400
Fax: (571) 665-6401
180 Maple Ave W
Vienna, VA 22180-5727
Phone: (703) 938-5300

Enumerated: 2014-03-25
Last updated: 2023-01-26
Certified: 2023-01-23

Frequently asked questions

What is Madeleine Gillwald's NPI number?: Madeleine Gillwald's National Provider Identifier (NPI) is 1518384809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Madeleine Gillwald's specialty?: Madeleine Gillwald is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
Where is Madeleine Gillwald located?: Madeleine Gillwald's practice location on file with NPPES is 4600 Langston Blvd, Arlington, VA 22207.
What is Madeleine Gillwald's phone number?: The practice phone number listed in the NPPES registry for Madeleine Gillwald is (571) 492-3080.
Does Madeleine Gillwald accept Medicare?: Madeleine Gillwald is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Madeleine Gillwald's NPI active?: Yes — Madeleine Gillwald's NPI (1518384809) is active in the NPPES registry as of the last update on 2023-01-26.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.