Stephanie Liu, PA
NPI 1720657638 · Physician Assistant · Fairfax, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Liu, PA is a Physician Assistant provider in Fairfax, VA (NPI 1720657638).
Provider details
- NPI number
- 1720657638
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- 0110007808 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
5 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,240 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 728 | $119 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 435 | $84 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 29 | $103 |
| Injection of Trigger Points, 3 Or More Muscles20553 | 25 | $49 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $156 |
Typical Medicare-allowed amounts for these services range $49–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 224 | 40 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 209 | 35 |
| Gabapentin | 208 | 57 |
| Oxycodone Hcl | 172 | 27 |
| Tramadol Hcl | 132 | 26 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 103 | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$648 across 18 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-24
- Last updated
- 2022-03-06
- Certified
- 2022-03-06
Frequently asked questions
- What is Stephanie Liu's NPI number?
- Stephanie Liu's National Provider Identifier (NPI) is 1720657638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Liu's specialty?
- Stephanie Liu is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Liu located?
- Stephanie Liu's practice location on file with NPPES is 8501 Arlington Blvd Ste 410, Fairfax, VA 22031-4632.
- What is Stephanie Liu's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Liu is (703) 738-4331.
- Does Stephanie Liu accept Medicare?
- Stephanie Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Liu's NPI active?
- Yes — Stephanie Liu's NPI (1720657638) is active in the NPPES registry as of the last update on 2022-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.