NPPES file of Aug 9, 2026

Danny Liaw, M.D.

Internal Medicine Physician · Allentown, PA

Danny Liaw, M.D. is an internal medicine physician with a practice address in Allentown, Pennsylvania, and NPI 1922045269, issued on Jun 2, 2006. Check the license (Pennsylvania MD427608, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1922045269
Name
Danny Liaw
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD427608 PA
Self-reported in NPPES; status is on the state search
Practice location
1200 S Cedar Crest Blvd, Allentown, PA 18103
Phone
(610) 402-8022
Enumerated
Jun 2, 2006
Record last updated
Jul 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →

Also registered at 1200 S Cedar Crest Blvd

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

  1. Mohamed Abdelnaby, MDHospitalist Physician1346626991
  2. Saif Abu-Baker, M.D.Pulmonary Disease Physician1134865900
  3. Frederick Ackler, CRNACertified Registered Nurse Anesthetist1629063649
  4. Waqas Adeel, M.DHospitalist Physician1184871352
  5. Oluwatobi Adegboyega, MDNeonatal-Perinatal Medicine Physician1659803526
  6. Aamir Ahmed, M.D.Hospitalist Physician1053752147

Verify Danny Liaw in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD427608    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 Pennsylvania 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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Danny Liaw among 7,300 internal medicine physician records in Pennsylvania

Danny Liaw, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

218 internal medicine physician records list a practice address in Allentown

They are 218 of the 5,904 NPPES records with a practice address in Allentown, and 7,300 internal medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,300 in Pennsylvania → Every provider in Allentown → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jon Brndjar, D.O.Allentown, PA 181031477523934
  2. Ann Brotzman, DOAllentown, PA 181031306801337
  3. Joseph CandioAllentown, PA 181031104873967
  4. Amy Collis-Cowitch, MDAllentown, PA 181031356333744
  5. Thomas Doherty, MDAllentown, PA 181031992744965
  6. Maria Jones, MDAllentown, PA 181031962458240
  7. Robert Kovacs, M.D.Allentown, PA 181031558301838
  8. Thomas Lakata, D.O.Allentown, PA 181031407802580

Common questions

What is Danny Liaw, M.D.'s NPI number?

Danny Liaw, M.D.'s National Provider Identifier (NPI) is 1922045269, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Danny Liaw, M.D. located?

The NPPES record lists a practice address at 1200 S Cedar Crest Blvd, Allentown, PA, 18103. Phone: (610) 402-8022. Providers update this record themselves, so call before visiting.

How can I verify Danny Liaw, M.D.'s license?

NPPES lists Pennsylvania license number MD427608, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. 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. 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.