Kathleen Casper, D.O.
Family Medicine Physician · Chicago, IL
Kathleen Casper, D.O. is a family medicine physician with a practice address in Chicago, Illinois, and NPI 1912004912, issued on Sep 20, 2006. Check the license (Illinois 036066773, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Kathleen Casper
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036066773 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3235 W 111TH St, Chicago, IL 60655
- Phone
- (773) 445-2802
- Enumerated
- Sep 20, 2006
- Entity
- Type 1 · individual
Also registered at 3235 W 111TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Casper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036066773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1,593 family medicine physician records list a Chicago practice address
They are 1,593 of the 63,379 NPPES records with a Chicago practice address, and 6,215 family medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,593 in Chicago → All 6,215 in Illinois → Every provider in Chicago →
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Common questions
What is Kathleen Casper, D.O.'s NPI number?
Kathleen Casper, D.O.'s National Provider Identifier (NPI) is 1912004912, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Casper, D.O. located?
The NPPES record lists a practice address at 3235 W 111TH St, Chicago, IL, 60655. Phone: (773) 445-2802. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Casper, D.O.'s license?
NPPES lists Illinois license number 036066773, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.