ANDREW B LIAO MD
NPI 1902976848
Anesthesiology in New York, NY

Active since November 08, 2006PECOS Enrolled
170 WILLIAM ST, NEW YORK, NY 10038(212) 312-5000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Andrew B Liao Md NPPES

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

ANDREW B LIAO MD (NPI 1902976848) is an individual anesthesiology provider in New York, New York, licensed in Michigan (4301080707) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1902976848
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameANDREW B LIAOCredential: MD
Location Address170 WILLIAM STNew York, NY 10038-2612
Mailing Address68 S Service Rd, Suite 350Melville, NY 11747-2354 · (516) 945-3000
Sole ProprietorNo
Enumeration DateNovember 8, 2006
Last NPPES UpdateNovember 30, 2021
✔ NPI 1902976848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MI · 4301080707
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
170 WILLIAM ST, New York, NY 10038

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Andrew B Liao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Andrew Liao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
3527 W FLORIDA AVE
Hemet, CA 92545
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

Nurse Anesthetist, Certified Registered
170 WILLIAM ST
NEW YORK, NY 10038
Physical Therapist
170 WILLIAM ST, REHAB DEPARTMENT
NEW YORK, NY 10038
Nuclear Medicine (Nuclear Cardiology)
170 WILLIAM ST, SUITE 814
NEW YORK, NY 10038
Internal Medicine
170 WILLIAM ST, FL 7
NEW YORK, NY 10038
Anesthesiology
170 WILLIAM ST, SUITE 288 WEILL CORNELL MEDICINE LMH,
NEW YORK, NY 10038
Internal Medicine
170 WILLIAM ST
NEW YORK, NY 10038
Physician Assistant (Medical)
170 WILLIAM ST
NEW YORK, NY 10038
Physician Assistant
170 WILLIAM ST
NEW YORK, NY 10038

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 Andrew Liao's NPI number?

The NPI number for Andrew Liao is 1902976848. It was assigned to this individual provider in the NPPES registry on November 8, 2006.

Where is Andrew Liao located?

Andrew Liao practices at 170 William St, New York, NY 10038. The listed phone number is (212) 312-5000.

What is Andrew Liao's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Andrew Liao enrolled in Medicare?

Yes. Andrew Liao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Andrew Liao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Liao reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Liao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Liao was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.