Dan Christopher Duffek, PHARMACIST
Pharmacist · Darien, IL
Dan Christopher Duffek, PHARMACIST is a pharmacist with a practice address in Darien, Illinois, and NPI 1477838985, issued on Oct 15, 2011. Check the license (Illinois 051-029157, 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
- Dan Christopher Duffek
- Credential
- PHARMACIST
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 051-029157 IL
PS-24282 FL
Self-reported in NPPES; status is on the state search - Practice location
- 8300 Lemont RD, Darien, IL 60561
- Phone
- (630) 985-6419
- Enumerated
- Oct 15, 2011
- Record last updated
- Oct 24, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 9,744 in Illinois → Look up another NPI →
Also registered at 8300 Lemont RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anil Patel, R. PH.Pharmacist1720363948
- Margo Roth, R.PHPharmacist1063785293
Verify Dan Christopher Duffek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 051-029157Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dan Christopher Duffek among 9,744 pharmacist records in Illinois
Dan Christopher Duffek, PHARMACIST is one of 9,744 pharmacist records with a practice address in Illinois. 4% 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 2011, is newer than 16% of them.
- NPI issued2011 · 16% of these records are older, 62% newer
- In a Medicare fileNo · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 pharmacist records list a practice address in Darien
They are 33 of the 389 NPPES records with a practice address in Darien, and 9,744 pharmacist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,744 in Illinois → Every provider in Darien → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- C Carter, RPHDarien, IL 605611730464256
- George Dimovski, PHARMDDarien, IL 605611205016847
- Megan Friedrich, PHARMD.Darien, IL 605611093928103
- Jeffrey Hamper, PHARMDDarien, IL 605611841570769
- Rasik Joshi, R.PH.Darien, IL 605611134263742
- Nahed KhayyatDarien, IL 605611295010528
- Shu Lin, PHARMACISTDarien, IL 605611568631208
- Mohammed Masood, PHARMD.Darien, IL 605611275748402
Common questions
What is Dan Christopher Duffek, PHARMACIST's NPI number?
Dan Christopher Duffek, PHARMACIST's National Provider Identifier (NPI) is 1477838985, issued on Oct 15, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Dan Christopher Duffek, PHARMACIST located?
The NPPES record lists a practice address at 8300 Lemont RD, Darien, IL, 60561. Phone: (630) 985-6419. Providers update this record themselves, so call before visiting.
How can I verify Dan Christopher Duffek, PHARMACIST's license?
NPPES lists Illinois license number 051-029157, 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.