Audrey Liu, M.D.
NPI 1750324935 · Pulmonary Disease Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Audrey Liu, M.D. is a Pulmonary Disease Physician provider in Baltimore, MD (NPI 1750324935).
Provider details
- NPI number
- 1750324935
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D59526 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,204 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Test to Measure Expiratory Airflow and Volume94010 | 270 | $28 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 262 | $58 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 258 | $46 |
| Sleep Study Including Heart Rate, Breathing, and Sleep Time95800 | 222 | $142 |
| Test to Measure Expiratory Airflow and Volume94010 | 208 | $8 |
| Test to Determine Lung Volumes Using Gas Dilution Or Washout94727 | 200 | $12 |
| Test to Examine How Well the Lungs Exchange Gases |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 366 | 129 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 325 | 81 |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 155 | 33 |
| Montelukast Sodium | 148 | 47 |
| Prednisone | 95 | 58 |
| Fluticasone Furoatebrand: Arnuity Ellipta | 95 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Audrey Liu's NPI number?
- Audrey Liu's National Provider Identifier (NPI) is 1750324935, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Audrey Liu's specialty?
- Audrey Liu is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Audrey Liu located?
- Audrey Liu's practice location on file with NPPES is 4940 Eastern Ave, Baltimore, MD 21224-2735.
- What is Audrey Liu's phone number?
- The practice phone number listed in the NPPES registry for Audrey Liu is (410) 955-3467.
- Does Audrey Liu accept Medicare?
- Audrey Liu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Audrey Liu's NPI active?
- Yes — Audrey Liu's NPI (1750324935) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.