NPPES file of Aug 9, 2026

Donald Joseph Provenzale, DDS

Dentist · Downers Grove, IL

Donald Joseph Provenzale, DDS is a dentist with a practice address in Downers Grove, Illinois, and NPI 1538392329, issued on Aug 27, 2009. Check the license (Illinois 19O21170, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538392329
Name
Donald Joseph Provenzale
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
19O21170 IL
Self-reported in NPPES; status is on the state search
Practice location
4336 Saratoga Ave, Downers Grove, IL 60515
Phone
(630) 969-7711
Enumerated
Aug 27, 2009
Record last updated
Aug 27, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(630) 969-7723
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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Also registered at 4336 Saratoga Ave

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

  1. Jennifer Buckler, L.C.P.C., A.T.R.Professional Counselor1639617509
  2. Pamela Slane, PHD, LCPC, BC-DMTMental Health Counselor1386124584

Verify Donald Joseph Provenzale in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 19O21170
    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
Find the Illinois license search

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64% more Medicare Part D claims than the average dentist in 2024

141 Medicare Part D claims for 70 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 24 claims were for opioids.

  1. Donald Provenzale141
  2. Specialty average86

Most prescribed

  1. Chlorhexidine Gluconate29 claims
  2. Clindamycin Hcl29 claims
  3. Tramadol Hcl-Acetaminophen23 claims
  4. Cephalexin20 claims
  5. Amoxicillin13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Donald Joseph Provenzale among 4,522 dentist records in Illinois

Donald Joseph Provenzale, DDS 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. Its NPI, issued in 2009, is newer than 46% of them.

  • NPI issued2009 · 46% of these records are older, 50% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2009 · 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).

56 dentist records list a practice address in Downers Grove

They are 56 of the 1,899 NPPES records with a practice address in Downers Grove, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Sara Banuelos, D.D.SDowners Grove, IL 605151164542429
  2. Keith Bram, D.D.S.Downers Grove, IL 605151609088418
  3. William Brennan, DDSDowners Grove, IL 605151235142746
  4. William Brennan, D.D.S.Downers Grove, IL 605151265501175
  5. John Keenan, DDSDowners Grove, IL 605151124233218
  6. Theresa Lao, D.D.S.Downers Grove, IL 605151275684367
  7. John Maffeo, DDSDowners Grove, IL 605151598834475
  8. Richard Patelski, DDS MAGDDowners Grove, IL 605151417166968

Common questions

What is Donald Joseph Provenzale, DDS's NPI number?

Donald Joseph Provenzale, DDS's National Provider Identifier (NPI) is 1538392329, issued on Aug 27, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Donald Joseph Provenzale, DDS located?

The NPPES record lists a practice address at 4336 Saratoga Ave, Downers Grove, IL, 60515. Phone: (630) 969-7711. Providers update this record themselves, so call before visiting.

How can I verify Donald Joseph Provenzale, DDS's license?

NPPES lists Illinois license number 19O21170, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Donald Joseph Provenzale, DDS prescribe under Medicare Part D?

In 2024, Donald Joseph Provenzale, DDS had 141 Medicare Part D claims for 70 beneficiaries; the average among dentist prescribers was 86. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.