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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

STEPHANIE MU-LIAN WOO
NPI 1760942502
Internal Medicine - Gastroenterology in Alexandria, VA

Active since March 20, 2019PECOS Enrolled
80.17/100
CMS Quality Rating
6354 WALKER LN STE 400, ALEXANDRIA, VA 22310(844) 466-8244 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 30, 2022, Mar 20, 2019 (2 updates tracked since 2019).

About Stephanie Mu-lian Woo NPPES

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

STEPHANIE MU-LIAN WOO (NPI 1760942502) is an individual gastroenterology provider in Alexandria, Virginia, licensed in Virginia (0101274339) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760942502
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameSTEPHANIE MU-LIAN WOO
Location Address6354 WALKER LN STE 400Alexandria, VA 22310-3252
Mailing Address6354 Walker Ln Ste 400Alexandria, VA 22310-3252
Phone(844) 466-8244
Sole ProprietorYes
Enumeration DateMarch 20, 2019
Last NPPES UpdateJuly 1, 20262 updates tracked since enumeration
NPPES CertifiedJuly 1, 2026
✔ NPI 1760942502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in VA · 0101274339✔ Licensed in DC · MD210002090
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
6354 WALKER LN STE 400, Alexandria, VA 22310
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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)

Stephanie Mu-lian Woo 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 22310 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.

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.

80.17/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.69
Promoting Interoperability100
Improvement Activities40
Cost53.49

Other Providers at the Same Location NPPES 13

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

DR. EYERUSALEM BERHANU AKPAN M.D.
Internal Medicine
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7234
SUSAN M ZEMITIS FNP
Nurse Practitioner (Family)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7320
RUFAAT MANDO
Internal Medicine (Gastroenterology)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7320
MRS. ERICA M.R. MCBRIDE M.D.
Internal Medicine (Rheumatology)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7324
SARASI JAYARATNE DO
Internal Medicine (Endocrinology, Diabetes & Metabolism)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7324
CASEY ANN REILLY PA-C, MMSC
Physician Assistant
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7320
MICHAEL TSENG MD
Internal Medicine (Gastroenterology)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (844) 466-8244
ASSAD A MUNIS D.O.
Internal Medicine (Gastroenterology)
6354 WALKER LN STE 400
ALEXANDRIA, VA 22310
Fairfax County (571) 472-7320

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 Stephanie Woo's NPI number?

The NPI number for Stephanie Woo is 1760942502. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Stephanie Woo located?

Stephanie Woo practices at 6354 Walker Ln Ste 400, Alexandria, VA 22310. The listed phone number is (844) 466-8244.

What is Stephanie Woo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Stephanie Woo enrolled in Medicare?

Yes. Stephanie Woo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephanie Woo was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.