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NPISignal

Individual Healthcare Provider

Mario Dileonardo, MD

NPI Record: ActiveDermatology — Dermatopathology
NPI1134104029
Newtown Square, Pennsylvania

Provider's NPPES record last updated: June 18, 2015

Overview

Entity Type
Individual Healthcare Provider
NPI
1134104029
Primary Specialty
Dermatology — Dermatopathology
Practice Location
Newtown Square, Pennsylvania
Sole Proprietor
No

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 identified

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 17, 2026, 11:01 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

Not checked

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.

Run a name-based screening

Searches OIG LEIE and SAM.gov by name and reviews every potential match.

Specialties & Taxonomies

  • Dermatology

    Dermatopathology

    Allopathic & Osteopathic Physicians

    Primary

    A dermatopathologist has the expertise to diagnose and monitor diseases of the skin including infectious, immunologic, degenerative and neoplastic diseases. This entails the examination and interpretation of specially prepared tissue sections, cellular scrapings and smears of skin lesions by means of routine and special (electron and fluorescent) microscopes.

    Taxonomy code 207ND0900X
  • Dermatology

    Allopathic & Osteopathic Physicians

    A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

    Taxonomy code 207N00000X
  • Pathology

    Anatomic Pathology

    Allopathic & Osteopathic Physicians

    A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

    Taxonomy code 207ZP0101X

Provider-Reported License Information

Dermatology (Pennsylvania)
MD037056E
Dermatology (Pennsylvania)
MD037056E
Pathology (Pennsylvania)
MD037056E
License numbers are reported by the provider to NPPES and are not independently verified by NPISignal against any state licensing board. Confirm current license status directly with the issuing state board.

Practice Locations

Practice Location

3805 W Chester Pike Bldg D

Suite 120

Newtown Square, Pennsylvania 19073-2329

Phone: (800) 257-0117

Record Information

Enumeration Date
December 13, 2005
Provider's NPPES Record Last Updated
June 18, 2015
NPISignal NPPES Dataset
August 2026

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