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MARY JANE MCMAHON REEN M.D.
NPI 1669867784
Pediatrics in Washington, DC

Active since April 06, 2015PECOS Enrolled
3800 RESERVOIR RD NW, DEPT OF PEDIATRICS, WASHINGTON, DC 20007(202) 243-3434(202) 243-3234 Get Directions Write a Review

NPPES record last updated: July 17, 2019. Verified against the NPPES registry weekly; last sync: September 13, 2026.

About Mary Jane Mcmahon Reen M.d. NPPES

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

MARY JANE MCMAHON REEN M.D. (NPI 1669867784) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD046450) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669867784
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMARY JANE MCMAHON REENCredential: M.D.
Location Address3800 RESERVOIR RD NW, DEPT OF PEDIATRICSWashington, DC 20007-2113
Mailing Address3800 Reservoir Rd Nw, Dept Of PediatricsWashington, DC 20007-2113 · (202) 243-3434 · Fax (202) 243-3234
Phone(202) 243-3434
Fax(202) 243-3234
Sole ProprietorYes
Enumeration DateApril 6, 2015
Last NPPES UpdateJuly 17, 2019
✔ NPI 1669867784 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in DC · MD046450
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3800 RESERVOIR RD NW, Washington, DC 20007
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Jane Mcmahon Reen 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 20007 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.

DR. KAUSTUBH SUBHASH YADWADKAR M.D.
Radiology (Diagnostic Radiology)
3800 RESERVOIR RD NW, CG201
WASHINGTON, DC 20007
District of Columbia (304) 206-7595
FRED MO MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-8766
SEBLE YIRGA
Nurse Practitioner (Family)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7265
ARLETTE THOMPSON-PILE
Physical Therapy Assistant
3800 RESERVOIR RD NW, PHYSICAL MEDICINE AND REHBAILITATION DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-3689
JENNA ELIZABETH HOROWITZ
Physician Assistant (Surgical)
3800 RESERVOIR RD NW, NEUROSURGERY DEPARTMENT
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
HALEY SWANSON FOSTER M.D.
Radiology (Vascular & Interventional Radiology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-5022
SOPHIA RIZVI MD
Radiology (Radiation Oncology)
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-2000
CLAIRE DALBY MD
Student in an Organized Health Care Education/Training Program
3800 RESERVOIR RD NW
WASHINGTON, DC 20007
District of Columbia (202) 444-7106

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 Mary Jane Reen's NPI number?

The NPI number for Mary Jane Reen is 1669867784. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Where is Mary Jane Reen located?

Mary Jane Reen practices at 3800 Reservoir Rd NW Dept Of Pediatrics, Washington, DC 20007. The listed phone number is (202) 243-3434.

What is Mary Jane Reen's specialty?

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

Is Mary Jane Reen enrolled in Medicare?

Yes. Mary Jane Reen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Jane Reen was last updated on July 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.