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MEGAN B TZENG
NPI 1326304270
Pediatrics - Pediatric Critical Care Medicine in Falls Church, VA

Active since April 04, 2012PECOS Enrolled
3300 GALLOWS RD, FALLS CHURCH, VA 22042(703) 776-4001(703) 776-7113 Get Directions Write a Review

NPPES record last updated: September 9, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 9, 2020, Jun 30, 2020, Aug 27, 2018 and 1 more (4 updates tracked since 2018).

About Megan B Tzeng NPPES

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

MEGAN B TZENG (NPI 1326304270) is an individual pediatric critical care medicine provider in Falls Church, Virginia, licensed in Virginia (0101269575) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1326304270
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameMEGAN B TZENG
Location Address3300 GALLOWS RDFalls Church, VA 22042-3300
Mailing Address3300 Gallows RdFalls Church, VA 22042-3307 · (703) 776-6558 · Fax (703) 776-3503
Phone(703) 776-4001
Fax(703) 776-7113
Sole ProprietorNo
Enumeration DateApril 4, 2012
Last NPPES UpdateSeptember 9, 20204 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2020
✔ NPI 1326304270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in VA · 0101269575
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License ME125593 (FL)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3300 GALLOWS RD, Falls Church, VA 22042
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Secondary Practice Locations 2

Location 11600 SW Archer Rd # 100296Gainesville, FL 32610 · Phone (847) 318-9300
Location 23300 Gallows RdFalls Church, VA 22042-3307 · Phone (703) 776-6558 · Fax (703) 776-3503

Other Identifiers 1

Medicaid024775700FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Megan B Tzeng 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 Reassignment

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

Inova Health Care Services
Same address
Internal Medicine
3300 GALLOWS RD, PHYSICIAN SERVICES
Falls Church, VA 22042
  • Reassigned Medicare billing, District of Columbia enrollment
  • 2,618 clinicians in this Medicare group
NPI 1952320061 (703) 321-2627

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

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.

ALLISON ELIZABETH TWEEDIE MD
Psychiatry & Neurology (Psychiatry)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
DR. OLEG DOLGHI M.D
Obstetrics & Gynecology
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001
MRS. CHERYL ANNE FRASER NP
Nurse Practitioner (Acute Care)
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4132
MISS CRYSTAL FALKE PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-3281
EMERGENCY MEDICINE ASSOCIATES
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4002
NARGES NAJMYAR PA-C
Physician Assistant
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 970-2670
SARAH MARAKOS DO
Pediatrics
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-6652
KARA STONE YOUNG CRNA
Nurse Anesthetist, Certified Registered
3300 GALLOWS RD
FALLS CHURCH, VA 22042
Fairfax County (703) 776-4001

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 Megan Tzeng's NPI number?

The NPI number for Megan Tzeng is 1326304270. It was assigned to this individual provider in the NPPES registry on April 4, 2012.

Where is Megan Tzeng located?

Megan Tzeng practices at 3300 Gallows Rd, Falls Church, VA 22042. The listed phone number is (703) 776-4001.

What is Megan Tzeng's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Megan Tzeng enrolled in Medicare?

Yes. Megan Tzeng is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Megan Tzeng's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Megan Tzeng reassigns Medicare benefits to Inova Health Care Services (Falls Church, 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 Megan Tzeng's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Megan Tzeng accept?

Health plans from Oscar Health list Megan Tzeng 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 Megan Tzeng was last updated on September 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.