MARGARET JEANNE BRANDQUIST CNM
NPI 1083609580
Advanced Practice Midwife in Dulles, VA

Q: What is Margaret Brandquist's NPI number?

The NPI number for Margaret Brandquist is 1083609580. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Q: What is Margaret Brandquist's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Active since September 12, 2005PECOS EnrolledAccepts Medicare Assignment

92.61/100

CMS Quality Rating

24430 STONE SPRINGS BLVD, SUITE 550, DULLES, VA 20166(703) 957-1245(703) 665-2374 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 27, 2026, Feb 6, 2023, Nov 29, 2022 and 4 more (7 updates tracked since 2021).

On this page

About Margaret Jeanne Brandquist Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET JEANNE BRANDQUIST CNM (NPI 1083609580) is an individual advanced practice midwife in Dulles, Virginia, licensed in Virginia (0024095834) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS, maintains a secondary practice location in Dulles, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1083609580

Entity TypeIndividualFemale

Primary Taxonomy367A00000X

Provider Legal NameMARGARET JEANNE BRANDQUISTCredential: CNM

Location Address24430 STONE SPRINGS BLVD, SUITE 550Dulles, VA 20166

Mailing Address224-d Cornwall St, Nw Suite 403Leesburg, VA 20176-2704 · (703) 737-6010 · Fax (703) 443-8643

Phone(703) 957-1245

Fax(703) 665-2374

Sole ProprietorNo

Medical School CMSOtherGraduated 1997

Enumeration DateSeptember 12, 2005

Last NPPES UpdateApril 27, 20267 updates tracked since enumeration

NPPES CertifiedApril 27, 2026

✔ NPI 1083609580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code367A00000X

License✔ Licensed in VA · 0024095834

Definition

Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.

24430 STONE SPRINGS BLVD, Dulles, VA 20166

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Secondary Practice Location 1

Location 124430 Stone Springs Blvd., Suite 100Dulles, VA 20166-2269 · Phone (703) 957-1245

Other Identifiers 2

Medicaid1083609580VA

Medicaid30015461020001VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Margaret Jeanne Brandquist Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638264658

PECOS Enrollment IDI20071004000718

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Margaret Brandquist reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Loudoun Medical Group, PC

Same address

Surgery

24430 STONE SPRINGS BLVD STE 215
Dulles, VA 20166

Reassigned Medicare billing, Virginia enrollment
291 clinicians in this Medicare group

NPI 1891819298 (703) 858-3200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20166 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.88 typical visit price

range $56.19 – $170.30

Typical copayment $21.72 (range $14.04 – $42.57)

Most-billed visit code 99203

Established Patient

$70.08 typical visit price

range $18.07 – $138.91

Typical copayment $17.52 (range $4.51 – $34.72)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.61/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.22

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DANAH JAGUETA BALMACEDA NURSE PRACTITIONER

Nurse Practitioner (Critical Care Medicine)

24430 STONE SPRINGS BLVD
DULLES, VA 20166

Loudoun County (571) 439-4000

LOUDOUN MEDICAL GROUP, PC

Pediatrics

24430 STONE SPRINGS BLVD, SUITE 115
DULLES, VA 20166

Loudoun County (703) 957-1247

SPECIALTY PHYSICIANS OF NORTHERN VIRGINIA, LLC

Surgery

24430 STONE SPRINGS BLVD
DULLES, VA 20166

Loudoun County (703) 665-2430

LOUDOUN MEDICAL GROUP, PC

Surgery

24430 STONE SPRINGS BLVD, SUITE 100
DULLES, VA 20166

Loudoun County (703) 858-3200

THE CARDIOVASCULAR GROUP, PC

Internal Medicine (Cardiovascular Disease)

24430 STONE SPRINGS BLVD, #425
DULLES, VA 20166

Loudoun County (703) 722-5860

LOUDOUN MEDICAL GROUP, PC

Specialist

24430 STONE SPRINGS BLVD, SUITE 100
DULLES, VA 20166

Loudoun County (703) 858-3208

LOUDOUN MEDICAL GROUP, PC

Specialist

24430 STONE SPRINGS BLVD, SUITE 100
DULLES, VA 20166

Loudoun County (703) 723-3398

LOUDOUN MEDICAL GROUP, PC

Internal Medicine (Hematology & Oncology)

24430 STONE SPRINGS BLVD, SUITE 515
DULLES, VA 20166

Loudoun County (703) 858-3110

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Brandquist's NPI number?

The NPI number for Margaret Brandquist is 1083609580. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Margaret Brandquist located?

Margaret Brandquist practices at 24430 Stone Springs Blvd Suite 550, Dulles, VA 20166. The listed phone number is (703) 957-1245.

What is Margaret Brandquist's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Margaret Brandquist enrolled in Medicare?

Yes. Margaret Brandquist is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Margaret Brandquist's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Brandquist reassigns Medicare benefits to Loudoun Medical Group, PC (Dulles, VA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Brandquist's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Margaret Brandquist was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.