Quick answers
- Does Audrey H. Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Audrey H. Liu accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Audrey H. Liu see?
- In 2024, CMS data shows 737 Original Medicare patients and 2,249 services for Audrey H. Liu. This counts Original Medicare only and measures volume, not quality.
- What is Audrey H. Liu's NPI number?
- 1750324935. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Audrey H. Liu, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 737 |
|---|---|
| Services billed to Medicare | 2,249 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Test to measure expiratory airflow and volume (94010)478 services
- Test to examine how well the lungs exchange gases (94729)462 services
- Test to determine lung volumes using gas dilution or washout (94727)458 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)291 services
- Sleep study including heart rate, breathing, and sleep time (95800)222 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- COPD39%
- Ischemic heart disease37%
- Diabetes34%
Hospitals where Audrey H. Liu works
Medicare's Facility Affiliation Data lists Audrey H. Liu at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Greater Baltimore Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210044
- MedStar Franklin Square Medical CenterRosedale, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210015
- MedStar Good Samaritan HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210056
- Mercy Medical Center IncBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210008
Practice locations
Addresses where Audrey H. Liu is enrolled with Medicare (CMS data updated October 2, 2026).
- 1734 York RdLutherville, MD 21093 (410) 252‑2273
- 301 Saint Paul StBaltimore, MD 21202
- 7602 Belair RdBaltimore, MD 21236
Group practices
Medicare enrollment lists Audrey H. Liu as a member of this group (CMS data updated October 2, 2026).
- St Paul Place Specialists, Inc.336 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in St Paul Place Specialists, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1750324935 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians