Young Cheon-Klessig, FNP
Family Nurse Practitioner · Chicago, IL
Young Cheon-Klessig, FNP is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1770619538, issued on Feb 26, 2007. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Young Cheon-Klessig
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- Practice location
- 845 W Wilson Ave, Chicago, IL 60640
- Phone
- (312) 742-0834
- Enumerated
- Feb 26, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (312) 744-5023
- Entity
- Type 1 · individual
Also registered at 845 W Wilson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin Allen, FNP, RNFamily Nurse Practitioner1336656966
- Jane Anichini, APRNFamily Nurse Practitioner1679868996
- Meghan Baldwin, APNPsychiatric/Mental Health Nurse Practitioner1598172009
- Emily Berwald, APNFamily Health Clinical Nurse Specialist1851775977
- Talia Eisenstein, MDFamily Medicine Physician1427552322
- Diana Fabian, FNP-BCFamily Nurse Practitioner1881102457
Verify Young Cheon-Klessig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,567 in Chicago → All 7,639 in Illinois → Every provider in Chicago →
Other family nurse practitioner records in Illinois
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- Roseviminda Abano, CNPGurnee, IL1215318555
- Theresa AbbaduskyPekin, IL1265892046
- Nadia Abbasi-Kling, FNP-BCChicago, IL1033767736
- Manar Abdalla, FNPChicago, IL1700632411
- Mahubah Abdallah, FNP-CRochelle, IL1841752284
- Rana Abdallah, DNP, APRN, FNP-CLake Villa, IL1851261887
- Servet Abdelhafez, APRNBrookfield, IL1790505048
- Nadia Abdessalam, FNP-BCOak Lawn, IL1356888283
Common questions
What is Young Cheon-Klessig, FNP's NPI number?
Young Cheon-Klessig, FNP's National Provider Identifier (NPI) is 1770619538, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Young Cheon-Klessig, FNP located?
The NPPES record lists a practice address at 845 W Wilson Ave, Chicago, IL, 60640. Phone: (312) 742-0834. Providers update this record themselves, so call before visiting.
How can I verify Young Cheon-Klessig, FNP's license?
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.