NPPES file of Aug 9, 2026

Lesley Simpson, MD

Pediatric Hematology & Oncology Physician · Bethlehem, PA

Lesley Simpson, MD is a pediatric hematology & oncology physician with a practice address in Bethlehem, Pennsylvania, and NPI 1457369134, issued on Aug 4, 2006. Check the license (Pennsylvania MD425844, 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
1457369134
Name
Lesley Simpson
Credential
MD
Primary taxonomy
Pediatric Hematology & Oncology Physician 2080P0207X
License number
MD425844 PA
Self-reported in NPPES; status is on the state search
Practice location
2545 Schoenersville RD, Bethlehem, PA 18017
Phone
(484) 884-3333
Enumerated
Aug 4, 2006
Record last updated
Apr 1, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(484) 884-3366
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 pediatric hematology & oncology physician records → All 218 in Pennsylvania → Look up another NPI →

Also registered at 2545 Schoenersville RD

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

  1. Osman AbbasiEmergency Medicine Physician1437569019
  2. George Abraham, M.D.Hospitalist Physician1932377884
  3. Brian Acunto, DOEmergency Medicine Physician1093921041
  4. Nancy Adams, CRNACertified Registered Nurse Anesthetist1215924584
  5. Eboselume Akhuemonkhan, M.D.Hospitalist Physician1932632007
  6. Jonathan Aki, DOEmergency Medicine Physician1629284674

Verify Lesley Simpson 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 MD425844    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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Lesley Simpson among 218 pediatric hematology & oncology physician records in Pennsylvania

Lesley Simpson, MD is one of 218 pediatric hematology & oncology physician records with a practice address in Pennsylvania. 41% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 64% newer
  • In a Medicare fileNo · 41% of these records are
  • In the CMS Doctors and Clinicians fileNo · 25% of these records are
  • Record last updated2011 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Hematology & Oncology Physician providers in Pennsylvania

There are 218 pediatric hematology & oncology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 218 in Pennsylvania → Every provider in Bethlehem → Pediatric Hematology & Oncology Physician nationwide →

The 8 pediatric hematology & oncology physician records with the nearest ZIP codes

  1. J. Hagstrom, MDBethlehem, PA 180171720052368
  2. James Ball, MDAllentown, PA 181031003864893
  3. Jamie Cashell, D.O.Allentown, PA 181031275895716
  4. Kaleigh Hall, DOAllentown, PA 181031235767526
  5. Nehal Parikh, MDAllentown, PA 181031053386524
  6. Kristen Ronca, MDAllentown, PA 181031154816270
  7. Jacob Troutman, D.O.Allentown, PA 181031538301890
  8. Jennifer Kovatch, MDDanville, PA 178221710393426

Common questions

What is Lesley Simpson, MD's NPI number?

Lesley Simpson, MD's National Provider Identifier (NPI) is 1457369134, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lesley Simpson, MD located?

The NPPES record lists a practice address at 2545 Schoenersville RD, Bethlehem, PA, 18017. Phone: (484) 884-3333. Providers update this record themselves, so call before visiting.

How can I verify Lesley Simpson, MD's license?

NPPES lists Pennsylvania license number MD425844, 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.