Kathleen Lea Summers, MD, PHD
Hospitalist Physician · Jacksonville, IL
Kathleen Lea Summers, MD, PHD is a hospitalist physician with a practice address in Jacksonville, Illinois, and NPI 1750433611, issued on Jan 18, 2007. Check the license (Illinois 036103814, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kathleen Lea Summers
- Credential
- MD, PHD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036103814 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1600 W Walnut St, Jacksonville, IL 62650
- Phone
- (217) 245-9541
- Enumerated
- Jan 18, 2007
- Record last updated
- Jul 15, 2025
- Fax
- (217) 606-3057
- Medicaid IDs
- L86359 IL
L97187 IL
L997718 IL - Medicare enrollment
- Enrolled (PECOS I20160210001694); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1998
- Entity
- Type 1 · individual
Also registered at 1600 W Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly AshPhysical Therapist1144572595
- Guy Audet, M.D.Obstetrics & Gynecology Physician1801805122
- Dennis Backstrom, MDEmergency Medicine Physician1497892012
- Katie BarrettCertified Registered Nurse Anesthetist1487235321
- Matthew Bednarchik, CRNACertified Registered Nurse Anesthetist1124391552
- Ladonna Bryan, MDSurgery Physician1508975285
Verify Kathleen Lea Summers 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 036103814Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average hospitalist physician in 2024
589 Medicare Part D claims for 229 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Prednisone65 claims
- Doxycycline Monohydrate38 claims
- Azithromycin37 claims
- Eliquis21 claims
- Tamsulosin Hcl21 claims
- Cefdinir19 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.
Bills Medicare through one group practice
- Macoupin Physician Services, PCCarlinville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
Other hospitalist physician records in Illinois
- Hasan Abad, D.O.Chicago, IL1356872006
- Pamela Abadi, D.O.Winfield, IL1588820179
- Misha Abbasi, MDChicago, IL1770111635
- Hossam Abdel Aziz, MDWinfield, IL1114558145
- Eman Abdel-Latief, M.D.Evanston, IL1508229949
- Ashraf Abdeljaber, M.DNormal, IL1023472636
- Maysa Abdul Hussain, MDChicago, IL1245417070
- Shabreen Abdul Sharief, MDHuntley, IL1992025118
- Eyad Abdulrazzak, MDEvanston, IL1710592589
- Syed Abdur-Rahman, MDDekalb, IL1538658729
Common questions
What is Kathleen Lea Summers, MD, PHD's NPI number?
Kathleen Lea Summers, MD, PHD's National Provider Identifier (NPI) is 1750433611, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Lea Summers, MD, PHD located?
The NPPES record lists a practice address at 1600 W Walnut St, Jacksonville, IL, 62650. Phone: (217) 245-9541. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Lea Summers, MD, PHD's license?
NPPES lists Illinois license number 036103814, 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.
How much does Kathleen Lea Summers, MD, PHD prescribe under Medicare Part D?
In 2024, Kathleen Lea Summers, MD, PHD had 589 Medicare Part D claims for 229 beneficiaries; the average among hospitalist physician prescribers was 521. 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.