RAQUEL LANGDON MD
NPI 1891011995
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Washington, DC

Active since April 14, 2010PECOS Enrolled
111 MICHIGAN AVE NW, NEUROLOGY DEPT, SUITE 400 W, WASHINGTON, DC 20010(202) 476-2120(202) 476-2864 Get Directions Write a Review

NPPES record last updated: February 18, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 18, 2016, Nov 12, 2015 (2 updates tracked since 2015).

About Raquel Langdon Md NPPES

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

RAQUEL LANGDON MD (NPI 1891011995) is an individual neurology with special qualifications in child neurology provider in Washington, District Of Columbia, licensed in District Of Columbia (MD040831) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891011995
Entity TypeIndividualFemale
Primary Taxonomy2084N0402X
Provider Legal NameRAQUEL LANGDONCredential: MD
Location Address111 MICHIGAN AVE NW, NEUROLOGY DEPT, SUITE 400 WWashington, DC 20010-2916
Mailing Address111 Michigan Ave Nw, Dept Of Neurology, Suite 400 WWashington, DC 20010-2916 · (202) 476-2120 · Fax (202) 476-2864
Fax(202) 476-2864
Sole ProprietorNo
Enumeration DateApril 14, 2010
Last NPPES UpdateFebruary 18, 20162 updates tracked since enumeration
✔ NPI 1891011995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in DC · MD040831
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
111 MICHIGAN AVE NW, Washington, DC 20010

Other Names 1

Former Name (1)Raquel Bernier

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Raquel Langdon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Raquel Langdon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 clinicians in this Medicare group
Pediatrics
3023 HAMAKER CT, SUITE 200
Fairfax, VA 22031
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 128 clinicians in this Medicare group

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 20010 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Surgery
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Pediatrics (Pediatric Cardiology)
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pediatrics
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Student in an Organized Health Care Education/Training Program
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Anesthesiology (Pediatric Anesthesiology)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010
Medical Genetics (Clinical Genetics (M.D.))
111 MICHIGAN AVE NW, W3.5, 600
WASHINGTON, DC 20010
Pharmacist (Pharmacotherapy)
111 MICHIGAN AVE NW
WASHINGTON, DC 20010

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 Raquel Langdon's NPI number?

The NPI number for Raquel Langdon is 1891011995. It was assigned to this individual provider in the NPPES registry on April 14, 2010. The provider is also known as Raquel Bernier.

Where is Raquel Langdon located?

Raquel Langdon practices at 111 Michigan Ave NW Neurology Dept, Suite 400 W, Washington, DC 20010. The listed phone number is (202) 476-2120.

What is Raquel Langdon's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Raquel Langdon enrolled in Medicare?

Yes. Raquel Langdon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Raquel Langdon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Raquel Langdon reassigns Medicare benefits to 2 organizations: Children's Hospital (Washington, DC) and Pediatric Specialists Of Virginia, LLC (Fairfax, VA). Each 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 Raquel Langdon'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 Raquel Langdon was last updated on February 18, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.