NPPES file of Aug 9, 2026

Peter Liaw, MD

Diagnostic Radiology Physician · New York, NY

Peter Liaw, MD is a diagnostic radiology physician with a practice address in New York, New York, and NPI 1922635507, issued on Mar 24, 2020. Check the license (New York 336767, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1922635507
Name
Peter Liaw
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
336767 NY
Self-reported in NPPES; status is on the state search
Practice location
550 1St Ave, New York, NY 10016
Phone
(646) 929-7800
Enumerated
Mar 24, 2020
Record last updated
Sep 23, 2025
Medicare enrollment
Enrolled (PECOS I20251204002360); accepts Medicare assignment
Medical or professional school
University Of Virginia School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 3,146 in New York → Look up another NPI →

Also registered at 550 1St Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Clarisse AbanillaPhysician Assistant1598445579
  2. Ehab Abaza, MDInternal Medicine Physician1114507555
  3. Valentino Abballe, M.D.Diagnostic Radiology Physician1710305081
  4. Diana Abbas, MDStudent in an Organized Health Care Education/Training Program1568105633
  5. Germeen AbdelmessihAcute Care Nurse Practitioner1134840028
  6. Kathryn Abe-Ridgway, MDStudent in an Organized Health Care Education/Training Program1629865324

Verify Peter Liaw in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 336767    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Summit Radiology Services P CNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Peter Liaw among 3,146 diagnostic radiology physician records in New York

Peter Liaw, MD is one of 3,146 diagnostic radiology physician records with a practice address in New York. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 96% of them.

  • NPI issued2020 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2020 · median 2002 among the 2,169 with a school on file
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

950 diagnostic radiology physician records list a practice address in New York

They are 950 of the 98,468 NPPES records with a practice address in New York, and 3,146 diagnostic radiology physician records in New York.

All 3,146 in New York → Every provider in New York → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Ronald Adler, PH.D., M.D.New York, NY 100161932102753
  2. Michael Ambrosino, M.D.New York, NY 100161497719991
  3. John Amodio, M.D.New York, NY 100161164486668
  4. Barbara Baskin, M.DNew York, NY 100161740250182
  5. Nancy Genieser, M.D.New York, NY 100161487618047
  6. Giovanna Giovanniello, M.D.New York, NY 100161609830280
  7. Orna Hadar, M.DNew York, NY 100161669443867
  8. Nicole Hindman, M.D.New York, NY 100161972574549

Common questions

What is Peter Liaw, MD's NPI number?

Peter Liaw, MD's National Provider Identifier (NPI) is 1922635507, issued on Mar 24, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Peter Liaw, MD located?

The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (646) 929-7800. Providers update this record themselves, so call before visiting.

How can I verify Peter Liaw, MD's license?

NPPES lists New York license number 336767, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.