NPPES file of Aug 9, 2026

Haley M. Guzzo, MD

Addiction Medicine (Anesthesiology) Physician · Allentown, PA

Haley M. Guzzo, MD is an addiction medicine (anesthesiology) physician with a practice address in Allentown, Pennsylvania, and NPI 1295861318, issued on Feb 25, 2007. Check the license (Pennsylvania MD448935, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1295861318
Name
Haley M. Guzzo
Credential
MD
Primary taxonomy
Addiction Medicine (Anesthesiology) Physician 207LA0401X
License number
MD448935 PA
Self-reported in NPPES; status is on the state search
Practice location
4905 W Tilghman St, Allentown, PA 18104
Phone
(484) 866-9582
Enumerated
Feb 25, 2007
Record last updated
Mar 28, 2025
Fax
(610) 366-1147
Medicare enrollment
Enrolled (PECOS I20140421001790); accepts Medicare assignment
Medical or professional school
University Of Maryland School Of Medicine, 2005
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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Also registered at 4905 W Tilghman St

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

  1. Karen Bretz, M.D.Anesthesiology Physician1245228865
  2. Jodie Buxbaum, M.D.Anesthesiology Physician1770571390
  3. Dennis Chyung, MDAnesthesiology Physician1306835954
  4. Debra Fullan, D.O.Anesthesiology Physician1457349144
  5. Lisa Keglovitz, M.D.Anesthesiology Physician1518955509
  6. Richard Kolesky, MDAnesthesiology Physician1639167596

Verify Haley M. Guzzo 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 MD448935
    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

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Bills Medicare through one group practice

  1. Lehigh Valley Physician GroupDickson City, PA

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

Addiction Medicine (Anesthesiology) Physician providers in Pennsylvania

There are 7 addiction medicine (anesthesiology) physician records in Pennsylvania.

Other addiction medicine (anesthesiology) physician records in Pennsylvania

  1. Athos Cerrato, DOHavertown, PA1730101858
  2. J. Collins, M.D.Allentown, PA1649268293
  3. Ayaz Khan, M.D.Williamsport, PA1629052188
  4. Carol Ludolph, M.D.Huntingdon Valley, PA1972728145
  5. Gurpreet Mundi, MDPhiladelphia, PA1942214150
  6. Ming Wang, MDWernersville, PA1124079355

Common questions

What is Haley M. Guzzo, MD's NPI number?

Haley M. Guzzo, MD's National Provider Identifier (NPI) is 1295861318, issued on Feb 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Haley M. Guzzo, MD located?

The NPPES record lists a practice address at 4905 W Tilghman St, Allentown, PA, 18104. Phone: (484) 866-9582. Providers update this record themselves, so call before visiting.

How can I verify Haley M. Guzzo, MD's license?

NPPES lists Pennsylvania license number MD448935, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.