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DR. PETER LIAW MD
NPI 1922635507
Radiology - Diagnostic Radiology in New York, NY

Active since March 24, 2020PECOS EnrolledAccepts Medicare Assignment
550 1ST AVE, NEW YORK, NY 10016(646) 929-7800 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Peter Liaw Md NPPES

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

DR. PETER LIAW MD (NPI 1922635507) is an individual diagnostic radiology provider in New York, New York, licensed in New York (336767) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of University Of Virginia School Of Medicine (2020).

NPPES Registry Identity

NPI1922635507
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. PETER LIAWCredential: MD
Location Address550 1ST AVENew York, NY 10016-6402
Mailing Address550 1st AveNew York, NY 10016-6402
Phone(646) 929-7800
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2020
Enumeration DateMarch 24, 2020
Last NPPES UpdateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1922635507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NY · 336767
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
550 1ST AVE, New York, NY 10016
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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

Dr. Peter Liaw Md 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 ID9638593445
PECOS Enrollment IDI20251027002262, I20251204002360
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$81.44 typical visit price
range $21.20 – $160.66
Typical copayment $20.36 (range $5.30 – $40.16)
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 20

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

DR. SHARON URALIL D.O.
Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. DIANA TREVAS FLEISHER
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-3293
DR. MONICA GUPTA M.D.
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
New York County (212) 263-6397
CHRISTINE CHAN M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MATTHEW CHIARELLO MD
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
DR. MEGAN ELIZABETH JENKINS M.D.
Surgery
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-7300
DR. MANAN PATEL M.D.
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506
VICKY CHIANG
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
New York County (212) 263-5506

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 Peter Liaw's NPI number?

The NPI number for Peter Liaw is 1922635507. It was assigned to this individual provider in the NPPES registry on March 24, 2020.

Where is Peter Liaw located?

Peter Liaw practices at 550 1st Ave, New York, NY 10016. The listed phone number is (646) 929-7800.

What is Peter Liaw's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Peter Liaw enrolled in Medicare?

Yes. Peter Liaw 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.

When was this NPI record last updated?

The NPPES record for Peter Liaw was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.