Collins Affum, PHARMD
Pharmacist · Northfield, IL
Collins Affum, PHARMD is a pharmacist with a practice address in Northfield, Illinois, and NPI 1689331670, issued on Nov 24, 2021. Check the license (Illinois 051304379, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Collins Affum
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 051304379 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1825 Willow RD, Northfield, IL 60093
- Phone
- (847) 784-8032
- Enumerated
- Nov 24, 2021
- Record last updated
- Nov 23, 2025
- Fax
- (847) 784-8032
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 9,744 in Illinois → Look up another NPI →
Also registered at 1825 Willow RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gloria Christiansen, R.PHPharmacist1174805204
- Jean DelioFamily Nurse Practitioner1508980368
- Agatha Jefferson, FNPNurse Practitioner1083967624
- Humphrey Liu, PHARM.D.Pharmacist1841676194
- Anuja PatelPharmacist1497037022
- Anna Weinberg Kliner, FNP-CFamily Nurse Practitioner1508230475
Verify Collins Affum in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 051304379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average pharmacist in 2024
11 Medicare Part D claims, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of 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.
Collins Affum among 9,744 pharmacist records in Illinois
Collins Affum, PHARMD 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. Its NPI, issued in 2021, is newer than 79% of them.
- NPI issued2021 · 79% of these records are older, 16% newer
- In a Medicare fileYes · 4% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 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).
8 pharmacist records list a practice address in Northfield
They are 8 of the 550 NPPES records with a practice address in Northfield, and 9,744 pharmacist records in Illinois.
All 9,744 in Illinois → Every provider in Northfield → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Gloria Christiansen, R.PHNorthfield, IL 600931174805204
- Georgia Christopoulos, PHARMACISTNorthfield, IL 600931669772240
- Arshad Gazi, PHARM DWinnetka, IL 600931851737555
- Ronna GordonWinnetka, IL 600931760748230
- Don Ledesma, PHARM.D.Northfield, IL 600931871953778
- Humphrey Liu, PHARM.D.Northfield, IL 600931841676194
- Sofia Michaels, PHARMDNorthfield, IL 600931134429715
- Anuja PatelNorthfield, IL 600931497037022
Common questions
What is Collins Affum, PHARMD's NPI number?
Collins Affum, PHARMD's National Provider Identifier (NPI) is 1689331670, issued on Nov 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Collins Affum, PHARMD located?
The NPPES record lists a practice address at 1825 Willow RD, Northfield, IL, 60093. Phone: (847) 784-8032. Providers update this record themselves, so call before visiting.
How can I verify Collins Affum, PHARMD's license?
NPPES lists Illinois license number 051304379, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Collins Affum, PHARMD prescribe under Medicare Part D?
In 2024, Collins Affum, PHARMD had 11 Medicare Part D claims; the average among pharmacist prescribers was 119. 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.