DAVID ZHOU LIAO
NPI 1841827581
Otolaryngology in Rockville, MD

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
15204 OMEGA DR STE 310, ROCKVILLE, MD 20850(240) 361-9000 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 11, 2025, Mar 24, 2020 (2 updates tracked since 2020).

About David Zhou Liao NPPES

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

DAVID ZHOU LIAO (NPI 1841827581) is an individual otolaryngology provider in Rockville, Maryland, licensed in Maryland (D0102091) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Adventist Healthcare Shady Grove Medical Center, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2020).

NPPES Registry Identity

NPI1841827581
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameDAVID ZHOU LIAO
Location Address15204 OMEGA DR STE 310Rockville, MD 20850-4816
Mailing Address15204 Omega Dr Ste 310Rockville, MD 20850-4816 · (240) 361-9000
Sole ProprietorNo
Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateAugust 1, 20252 updates tracked since enumeration
NPPES CertifiedAugust 1, 2025
NPI 1841827581 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in MD · D0102091
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
15204 OMEGA DR STE 310, Rockville, MD 20850

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

David Zhou Liao 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 ID9931603511
PECOS Enrollment IDI20250917001809
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.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventist Healthcare Shady Grove Medical Center

Acute Care Hospitals · Rockville, MD
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210057
Location9901 Medical Center DriveRockville, MD 20850 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20850 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Otolaryngology
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Physical Therapist
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Physical Therapist
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Audiologist
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Physical Therapist
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Physical Therapist
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Otolaryngology
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850
Otolaryngology
15204 OMEGA DR STE 310
ROCKVILLE, MD 20850

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 David Liao's NPI number?

The NPI number for David Liao is 1841827581. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is David Liao located?

David Liao practices at 15204 Omega Dr Ste 310, Rockville, MD 20850. The listed phone number is (240) 361-9000.

What is David Liao's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is David Liao enrolled in Medicare?

Yes. David 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.

Is David Liao affiliated with any hospitals?

According to CMS data, David Liao is affiliated with Adventist Healthcare Shady Grove Medical Center.

When was this NPI record last updated?

The NPPES record for David Liao was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.