Jason A. Kegg, M.D.
Emergency Medicine Physician · Springfield, IL
Jason A. Kegg, M.D. is an emergency medicine physician with a practice address in Springfield, Illinois, and NPI 1083811764, issued on Jun 27, 2007. Check the license (Illinois 036.125501, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jason A. Kegg
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 036.125501 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N. 1St Street, Springfield, IL 62702
- Phone
- (217) 545-7409
- Enumerated
- Jun 27, 2007
- Record last updated
- Aug 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (217) 545-2711
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,291 in Illinois → Look up another NPI →
Also registered at 701 N. 1St Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Dela Cruz, M.D.Emergency Medicine Physician1639335912
- David Griffen, M.D., PH.D.Emergency Medicine Physician1992749899
- Linda Nordeman, M.D.Emergency Medicine Physician1275630055
- Antonios Zakharia, M.D.Cardiovascular Disease Physician1790422772
Verify Jason A. Kegg 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 036.125501Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
122 Medicare Part D claims for 69 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin23 claims
- Ondansetron Odt23 claims
- Doxycycline Monohydrate15 claims
- Amoxicillin-Clavulanate Potass12 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.
Jason A. Kegg among 3,291 emergency medicine physician records in Illinois
Jason A. Kegg, M.D. is one of 3,291 emergency medicine physician records with a practice address in Illinois. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 32% of them.
- NPI issued2007 · 32% of these records are older, 61% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2020 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
126 emergency medicine physician records list a practice address in Springfield
They are 126 of the 4,997 NPPES records with a practice address in Springfield, and 3,291 emergency medicine physician records in Illinois.
All 3,291 in Illinois → Every provider in Springfield → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dennis Adams, M.D.Springfield, IL 627021780739870
- Jonathan Dela Cruz, M.D.Springfield, IL 627021639335912
- Konstantin Denev, M.D.Springfield, IL 627021437131299
- Kristen Ferguson, M.D.Springfield, IL 627021750308227
- Dennis Goldberg, M.D.Springfield, IL 627021649499237
- David Griffen, M.D., PH.D.Springfield, IL 627021992749899
- Richard Jeisy, M.D.Springfield, IL 627021912218892
- Linda Nordeman, M.D.Springfield, IL 627021275630055
Common questions
What is Jason A. Kegg, M.D.'s NPI number?
Jason A. Kegg, M.D.'s National Provider Identifier (NPI) is 1083811764, issued on Jun 27, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jason A. Kegg, M.D. located?
The NPPES record lists a practice address at 701 N. 1St Street, Springfield, IL, 62702. Phone: (217) 545-7409. Providers update this record themselves, so call before visiting.
How can I verify Jason A. Kegg, M.D.'s license?
NPPES lists Illinois license number 036.125501, 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 Jason A. Kegg, M.D. prescribe under Medicare Part D?
In 2024, Jason A. Kegg, M.D. had 122 Medicare Part D claims for 69 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.