MS. HELEN XIAO
NPI 1962081372
Physician Assistant in Washington, DC

Active since April 04, 2021PECOS EnrolledAccepts Medicare Assignment
74.39/100
CMS Quality Rating
5255 LOUGHBORO RD NW, WASHINGTON, DC 20016(410) 955-5000 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 12, 2026, Nov 25, 2023, Jul 2, 2021 and 2 more (5 updates tracked since 2021).

About Ms. Helen Xiao NPPES

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

MS. HELEN XIAO (NPI 1962081372) is an individual physician assistant in Washington, District Of Columbia, licensed in Maryland (PA200001765) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fairfax, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1962081372
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMS. HELEN XIAO
Location Address5255 LOUGHBORO RD NWWashington, DC 20016-2633
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 955-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateApril 4, 2021
Last NPPES UpdateMay 12, 20265 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
NPI 1962081372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in MD · PA200001765
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
5255 LOUGHBORO RD NW, Washington, DC 20016

Secondary Practice Location 1

Location 13028 Javier Rd Ste 300Fairfax, VA 22031-4622 · Phone (910) 386-7367

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Helen Xiao is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496150807
PECOS Enrollment IDI20210910000929
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 20016 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
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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.

Nurse Practitioner
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Obstetrics & Gynecology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Physician Assistant (Surgical)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Pharmacist
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Radiology (Radiological Physics)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Anesthesiology
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Pathology (Cytopathology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016
Radiology (Diagnostic Radiology)
5255 LOUGHBORO RD NW
WASHINGTON, DC 20016

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 Helen Xiao's NPI number?

The NPI number for Helen Xiao is 1962081372. It was assigned to this individual provider in the NPPES registry on April 4, 2021.

Where is Helen Xiao located?

Helen Xiao practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (410) 955-5000.

What is Helen Xiao's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Helen Xiao enrolled in Medicare?

Yes. Helen Xiao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Helen Xiao was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.