Patrick Leonard, D.D.S.
Dentist · Berwyn, IL
Patrick Leonard, D.D.S. is a dentist with a practice address in Berwyn, Illinois, and NPI 1790104966, issued on Apr 15, 2014. Check the license (Illinois 19A16359, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Patrick Leonard
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 19A16359 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2911 Harlem Ave, Berwyn, IL 60402
- Phone
- (708) 749-1643
- Enumerated
- Apr 15, 2014
- Record last updated
- Apr 15, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (708) 749-1797
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Patrick Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 19A16359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Patrick Leonard among 4,522 dentist records in Illinois
Patrick Leonard, D.D.S. is one of 4,522 dentist records with a practice address in Illinois. 64% 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 2014, is newer than 62% of them.
- NPI issued2014 · 62% of these records are older, 35% newer
- In a Medicare fileNo · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2014 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 dentist records list a practice address in Berwyn
They are 26 of the 1,031 NPPES records with a practice address in Berwyn, and 4,522 dentist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 4,522 in Illinois → Every provider in Berwyn → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Michael AuriemmaBerwyn, IL 604021225574494
- Samir Balaney, D.D.S.Berwyn, IL 604021821319450
- Robert Charbonneau, D.D.S.Berwyn, IL 604021457529653
- Joseph Cieply, DDSBerwyn, IL 604021194933275
- Andrew Gattuso, D.D.S.Berwyn, IL 604021952563967
- Anthony Guido, DDSBerwyn, IL 604021821196643
- Mahamid Khan, DMDBerwyn, IL 604021164424016
- Scott Rysz, DDSBerwyn, IL 604021730666975
Common questions
What is Patrick Leonard, D.D.S.'s NPI number?
Patrick Leonard, D.D.S.'s National Provider Identifier (NPI) is 1790104966, issued on Apr 15, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Leonard, D.D.S. located?
The NPPES record lists a practice address at 2911 Harlem Ave, Berwyn, IL, 60402. Phone: (708) 749-1643. Providers update this record themselves, so call before visiting.
How can I verify Patrick Leonard, D.D.S.'s license?
NPPES lists Illinois license number 19A16359, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
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.
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.