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

CHARLENE ASHLEY LIAO MD
NPI 1700414042
Family Medicine in Falls Church, VA

Active since March 31, 2020PECOS Enrolled
201 N WASHINGTON ST, FALLS CHURCH, VA 22046(703) 237-4000 Get Directions Write a Review

NPPES record last updated: October 22, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 12, 2023, Mar 31, 2020 (2 updates tracked since 2020).

About Charlene Ashley Liao Md NPPES

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

CHARLENE ASHLEY LIAO MD (NPI 1700414042) is an individual family medicine provider in Falls Church, Virginia, licensed in Virginia (0101290329) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Fairfield, and is a graduate of State University Of New York At Buffalo School Of Medicine (2020).

NPPES Registry Identity

NPI1700414042
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameCHARLENE ASHLEY LIAOCredential: MD
Location Address201 N WASHINGTON STFalls Church, VA 22046-4518
Mailing Address1152 Kings Highway CutoffFairfield, CT 06824-5271 · (203) 256-5500 · Fax (203) 255-0046
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2020
Enumeration DateMarch 31, 2020
Last NPPES UpdateOctober 22, 20262 updates tracked since enumeration
NPPES CertifiedOctober 22, 2026
✔ NPI 1700414042 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in VA · 0101290329✔ Licensed in CT · 75746
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
201 N WASHINGTON ST, Falls Church, VA 22046

Secondary Practice Location 1

Location 11152 Kings Highway CutoffFairfield, CT 06824-5271 · Phone (203) 256-5500 ext. 1 · Fax (203) 255-0046

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Charlene Ashley Liao Md 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 ID8628422896
PECOS Enrollment IDI20230922000914
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 Charlene Liao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Disease
55 HOLLY HILL LN, SUITE 240
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • Medicare enrollment name: Northeast Medical Group Inc
  • 1,824 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
133 services79 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
69 services58 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
59 services59 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
32 services32 patients
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438
An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.
21 services21 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
16 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22046 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.

Nurse Practitioner
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Internal Medicine
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Otolaryngology
201 N WASHINGTON ST, KAISER PERMANENTE FALLS CHURCH MEDICAL CENTER
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Internal Medicine
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Pharmacist
201 N WASHINGTON ST
FALLS CHURCH, VA 22046
Nurse Practitioner (Family)
201 N WASHINGTON ST
FALLS CHURCH, VA 22046

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 Charlene Liao's NPI number?

The NPI number for Charlene Liao is 1700414042. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Charlene Liao located?

Charlene Liao practices at 201 N Washington St, Falls Church, VA 22046. The listed phone number is (703) 237-4000.

What is Charlene Liao's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Charlene Liao enrolled in Medicare?

Yes. Charlene Liao 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.

Which organization bills Medicare for Charlene Liao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charlene Liao reassigns Medicare benefits to Mill Hill Medical Consultants Inc (Greenwich, CT). 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 Charlene Liao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charlene Liao was last updated on October 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.