Individual Healthcare Provider
Karen Diane Weiss, MD
Provider's NPPES record last updated: August 20, 2018
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1043790967
- Primary Specialty
- Pediatrics — Pediatric Hematology-Oncology
- Practice Location
- Hatfield, Pennsylvania
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 18, 2026, 6:52 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Pediatrics
Pediatric Hematology-Oncology
Allopathic & Osteopathic Physicians
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Taxonomy code 2080P0207X
Provider-Reported License Information
- Pediatrics (Maryland)
- D34387
Practice Locations
Practice Location
733 Church Rd
Hatfield, Pennsylvania 19440-1010
Phone: (240) 271-0350
Record Information
- Enumeration Date
- August 20, 2018
- Provider's NPPES Record Last Updated
- August 20, 2018
- NPISignal NPPES Dataset
- August 2026
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