Iris Esmeralda Gutierrez, PHARMD
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Oak Brook, IL
Iris Esmeralda Gutierrez, PHARMD is a pharmacist clinician (phc)/ clinical pharmacy specialist with a practice address in Oak Brook, Illinois, and NPI 1942808001, issued on Oct 12, 2020. Check the license (Illinois 051303485, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Iris Esmeralda Gutierrez
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X
- License number
- 051303485 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1901 W 22ND St, Oak Brook, IL 60523
- Phone
- (630) 928-0220
- Enumerated
- Oct 12, 2020
- Record last updated
- May 6, 2023
- Entity
- Type 1 · individual
8 nearest pharmacist clinician (phc)/ clinical pharmacy specialist records → All 400 in Illinois → Look up another NPI →
Also registered at 1901 W 22ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Barbara Osmolak, PHARMDPharmacist1255679833
- Marvin SerdenaPharmacist1720713605
Verify Iris Esmeralda Gutierrez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 051303485Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
21 Medicare Part D claims for 21 beneficiaries, against an average of 253 among the 1,614 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo14 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.
Iris Esmeralda Gutierrez among 400 pharmacist clinician (phc)/ clinical pharmacy specialist records in Illinois
Iris Esmeralda Gutierrez, PHARMD is one of 400 pharmacist clinician (phc)/ clinical pharmacy specialist records with a practice address in Illinois. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 25% newer
- In a Medicare fileYes · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1835P0018X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist providers in Illinois
There are 400 pharmacist clinician (phc)/ clinical pharmacy specialist records in Illinois.
All 400 in Illinois → Every provider in Oak Brook → Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist nationwide →
The 8 pharmacist clinician (phc)/ clinical pharmacy specialist records with the nearest ZIP codes
- Adriel Arceo, PHARMDOak Brook, IL 605231770341802
- Edmund Cordova, RPH, PHARMDOak Brook, IL 605231396220828
- Charlotte Porcaro, PHARMACISTWillowbrook, IL 605271396013553
- Huzefa Raja, PHARMDWillowbrook, IL 605271063745909
- Souhanda Sefin, PHARMDBurr Ridge, IL 605271396361291
- Amma Owusu, PHARMDWoodridge, IL 605171851054639
- Jennifer Mazan, PHARM.D.Downers Grove, IL 605151619340783
- Richard Jaros, RPHLisle, IL 605321457634206
Common questions
What is Iris Esmeralda Gutierrez, PHARMD's NPI number?
Iris Esmeralda Gutierrez, PHARMD's National Provider Identifier (NPI) is 1942808001, issued on Oct 12, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Iris Esmeralda Gutierrez, PHARMD located?
The NPPES record lists a practice address at 1901 W 22ND St, Oak Brook, IL, 60523. Phone: (630) 928-0220. Providers update this record themselves, so call before visiting.
How can I verify Iris Esmeralda Gutierrez, PHARMD's license?
NPPES lists Illinois license number 051303485, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Iris Esmeralda Gutierrez, PHARMD prescribe under Medicare Part D?
In 2024, Iris Esmeralda Gutierrez, PHARMD had 21 Medicare Part D claims for 21 beneficiaries; the average among pharmacist clinician (phc)/ clinical pharmacy specialist prescribers was 253. 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.