NPPES file of Aug 9, 2026

Jan Costis, RPH

Pharmacist · South Barrington, IL

Jan Costis, RPH is a pharmacist with a practice address in South Barrington, Illinois, and NPI 1427822360, issued on Nov 10, 2023. Check the license (Illinois 051034058, 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
1427822360
Name
Jan Costis
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
051034058 IL
Self-reported in NPPES; status is on the state search
Practice location
16 Brandywine RD, South Barrington, IL 60010
Phone
(847) 567-6100
Enumerated
Nov 10, 2023
Record last updated
Nov 10, 2023
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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Verify Jan Costis 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 051034058    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4 pharmacist records list a practice address in South Barrington

They are 4 of the 110 NPPES records with a practice address in South Barrington, and 9,744 pharmacist records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4 in South Barrington → All 9,744 in Illinois → Every provider in South Barrington →

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 Jan Costis, RPH's NPI number?

Jan Costis, RPH's National Provider Identifier (NPI) is 1427822360, issued on Nov 10, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Jan Costis, RPH located?

The NPPES record lists a practice address at 16 Brandywine RD, South Barrington, IL, 60010. Phone: (847) 567-6100. Providers update this record themselves, so call before visiting.

How can I verify Jan Costis, RPH's license?

NPPES lists Illinois license number 051034058, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.