NPPES file of Aug 9, 2026

Timothy P. Olenek, D.O.

Specialist · Tinley Park, IL

Timothy P. Olenek, D.O. is a specialist with a practice address in Tinley Park, Illinois, and NPI 1720073000, issued on Sep 13, 2005. Check the license (Illinois 36088607, 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
1720073000
Name
Timothy P. Olenek
Credential
D.O.
Primary taxonomy
Specialist 174400000X
License number
36088607 IL
Self-reported in NPPES; status is on the state search
Practice location
7400 183RD St, Tinley Park, IL 60477
Phone
(708) 614-4000
Enumerated
Sep 13, 2005
Record last updated
Jul 13, 2026
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 7400 183RD St

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

  1. Marlene Alejos, M.D.Specialist1619962933
  2. Sharon Mangum, M.D.Specialist1457346744
  3. Gardenia Pajunar-Li, M.D.Family Medicine Physician1811188063
  4. Stuart Rich, M.D.Specialist1568457869

Verify Timothy P. Olenek 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 36088607
    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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97% fewer Medicare Part D claims than the average specialist in 2024

42 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.

  1. Timothy Olenek42
  2. Specialty average1,380

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.

Timothy P. Olenek among 1,154 specialist records in Illinois

Timothy P. Olenek, D.O. is one of 1,154 specialist records with a practice address in Illinois. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 11% of these records are
  • Record last updated2026 · 84% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 specialist records list a practice address in Tinley Park

They are 12 of the 1,149 NPPES records with a practice address in Tinley Park, and 1,154 specialist records in Illinois.

The 8 specialist records with the nearest ZIP codes

  1. Marlene Alejos, M.D.Tinley Park, IL 604771619962933
  2. Richard Bongard, M.D.Tinley Park, IL 604771730174053
  3. Arnold Gombiner, MDTinley Park, IL 604771629044847
  4. Phuy-Mar Hla, D.O.Tinley Park, IL 604771407841752
  5. Latosha Malone, LETinley Park, IL 604771477471977
  6. Sharon Mangum, M.D.Tinley Park, IL 604771457346744
  7. Manuel Mesirow, M.D.Tinley Park, IL 604771396711503
  8. Stuart Rich, M.D.Tinley Park, IL 604771568457869

Common questions

What is Timothy P. Olenek, D.O.'s NPI number?

Timothy P. Olenek, D.O.'s National Provider Identifier (NPI) is 1720073000, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Timothy P. Olenek, D.O. located?

The NPPES record lists a practice address at 7400 183RD St, Tinley Park, IL, 60477. Phone: (708) 614-4000. Providers update this record themselves, so call before visiting.

How can I verify Timothy P. Olenek, D.O.'s license?

NPPES lists Illinois license number 36088607, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Timothy P. Olenek, D.O. prescribe under Medicare Part D?

In 2024, Timothy P. Olenek, D.O. had 42 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.