Mario Dileonardo, MD
Dermatology Physician · Newtown Square, PA
Mario Dileonardo, MD is a dermatology physician with a practice address in Newtown Square, Pennsylvania, and NPI 1134104029, issued on Dec 13, 2005. Check the license (Pennsylvania MD037056E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mario Dileonardo
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- MD037056E PA
Self-reported in NPPES; status is on the state search - Practice location
- 3805 W Chester Pike Bldg D, Newtown Square, PA 19073
- Phone
- (800) 257-0117
- Enumerated
- Dec 13, 2005
- Entity
- Type 1 · individual
Also registered at 3805 W Chester Pike Bldg D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Kantor, MDDermatology Physician1912983479
- E Kramer, MDDermatology Physician1891770517
- Susanne Lee, MDDermatopathology (Pathology) Physician1609852177
- Kenneth Resnik, MDDermatology Physician1750366688
Verify Mario Dileonardo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD037056ECheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
7 dermatology physician records list a Newtown Square practice address
They are 7 of the 425 NPPES records with a Newtown Square practice address, and 629 dermatology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7 in Newtown Square → All 629 in Pennsylvania → Every provider in Newtown Square →
Other dermatology physician records in Pennsylvania
- Mark Abdelmalek, M.D.Philadelphia, PA1972543155
- Debra Abell, MDWexford, PA1558442525
- Barry Abraham, MDPenn Valley, PA1811072606
- Nina Abraham, MDHaverford, PA1255593422
- Katrina Abuabara, MDPhiladelphia, PA1558689216
- David Adams, MDHershey, PA1215991427
- Preetha Agarwal, MDPittsburgh, PA1558927970
- George Ainsworth, MDWest Lawn, PA1851397814
- Oleg Akilov, M.D., PH.D.Pittsburgh, PA1316274590
- Ali Alajmi, MD , FRCPC , FAADArdmore, PA1760172522
Common questions
What is Mario Dileonardo, MD's NPI number?
Mario Dileonardo, MD's National Provider Identifier (NPI) is 1134104029, issued on Dec 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mario Dileonardo, MD located?
The NPPES record lists a practice address at 3805 W Chester Pike Bldg D, Newtown Square, PA, 19073. Phone: (800) 257-0117. Providers update this record themselves, so call before visiting.
How can I verify Mario Dileonardo, MD's license?
NPPES lists Pennsylvania license number MD037056E, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.