Quick answers
- Does David Z. Liao accept Medicare assignment?
- Yes. Medicare's clinician data says David Z. Liao 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.
- What is David Z. Liao's NPI number?
- 1841827581. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David Z. Liao works
Medicare's Facility Affiliation Data lists David Z. Liao 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.
- Adventist Healthcare Shady Grove Medical CenterRockville, MD · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 210057
Practice locations
Addresses where David Z. Liao is enrolled with Medicare (CMS data updated October 2, 2026).
- 6410 Rockledge Dr, Suite 305Bethesda, MD 20817 (301) 652‑8847
Group practices
Medicare enrollment lists David Z. Liao as a member of this group (CMS data updated October 2, 2026).
- Centers for Advanced Ent Care LLC103 clinicians in the group
Specialties
- Otolaryngologyprimary
Other ENT doctors in Maryland
Clinicians with the same Medicare primary specialty in Maryland — not a recommendation.
Other clinicians in Centers for Advanced Ent Care LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841827581 |
| 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
- 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