NPPES file of Aug 9, 2026

Trisha Tonissen, PHARMD

Pharmacist · Oak Park, IL

Trisha Tonissen, PHARMD is a pharmacist with a practice address in Oak Park, Illinois, and NPI 1386809549, issued on Jul 26, 2008. Check the license (Illinois 051.291352, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1386809549
Name
Trisha Tonissen
Credential
PHARMD
Primary taxonomy
Pharmacist 183500000X
License number
051.291352 IL
Self-reported in NPPES; status is on the state search
Practice location
438 Madison St, Oak Park, IL 60302
Phone
(708) 358-1034
Enumerated
Jul 26, 2008
Record last updated
Aug 20, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(708) 358-1173
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 438 Madison St

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

  1. Kristy Mielcarek, PHARM.D.Pharmacist1831441500
  2. Kelly Mulhern, PHARMDPharmacist1619421021
  3. Jocelyn MurilloPharmacist1578745915
  4. Kurt Neven, PHARMDPharmacist1821444332

Verify Trisha Tonissen 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 051.291352
    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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34 pharmacist records list a practice address in Oak Park

They are 34 of the 2,307 NPPES records with a practice address in Oak Park, and 9,744 pharmacist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pharmacist records in Illinois

  1. Kathryn Aardema, RPHMokena, IL1417239310
  2. David Aarthun, RPHChicago, IL1942579198
  3. Humaira Aasi, PHARMDWaukegan, IL1437753365
  4. Mark Abadines, PHARMDHuntley, IL1326659905
  5. Elaine Abasolo, PHARMDBolingbrook, IL1871873349
  6. Eric Abasolo, PHARMDChicago, IL1275155541
  7. Brenda Abate, PHARM. D.Dwight, IL1447532130
  8. Hakeem Abayomi, PHARM.DChicago, IL1457632879
  9. Ariba Abbas, PHARM.D.Niles, IL1164132288
  10. Mahera AbbasHuntley, IL1760082838

Common questions

What is Trisha Tonissen, PHARMD's NPI number?

Trisha Tonissen, PHARMD's National Provider Identifier (NPI) is 1386809549, issued on Jul 26, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Trisha Tonissen, PHARMD located?

The NPPES record lists a practice address at 438 Madison St, Oak Park, IL, 60302. Phone: (708) 358-1034. Providers update this record themselves, so call before visiting.

How can I verify Trisha Tonissen, PHARMD's license?

NPPES lists Illinois license number 051.291352, 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.