DR. JULIE ERICA MARX M.D.
NPI 1255545760
Pediatrics in Washington, DC

Active since May 10, 2007PECOS Enrolled
111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTER, WASHINGTON, DC 20010(202) 884-3730(202) 884-2399 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Julie Erica Marx M.d. NPPES

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

DR. JULIE ERICA MARX M.D. (NPI 1255545760) is an individual pediatrics provider in Washington, District Of Columbia, licensed in New York (242251) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255545760
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. JULIE ERICA MARXCredential: M.D.
Location Address111 MICHIGAN AVE NW, CHILDREN'S NATIONAL MEDICAL CENTERWashington, DC 20010-2978
Mailing Address19 Deer Chase RdMorristown, NJ 07960-2802 · (646) 263-6789
Fax(202) 884-2399
Sole ProprietorYes
Enumeration DateMay 10, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1255545760 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in NY · 242251
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
111 MICHIGAN AVE NW, Washington, DC 20010

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Julie Erica Marx M.d. 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.

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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
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 Julie Marx's NPI number?

The NPI number for Julie Marx is 1255545760. It was assigned to this individual provider in the NPPES registry on May 10, 2007.

Where is Julie Marx located?

Julie Marx practices at 111 Michigan Ave NW Children's National Medical Center, Washington, DC 20010. The listed phone number is (202) 884-3730.

What is Julie Marx's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Julie Marx enrolled in Medicare?

Yes. Julie Marx is registered in the Medicare PECOS enrollment system.

What insurance does Julie Marx accept?

Health plans from Blue Cross and Blue Shield of Texas list Julie Marx as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Julie Marx was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.