Corissa Janelle Elgar, M.D.
Obstetrics & Gynecology Physician · Dekalb, IL
Corissa Janelle Elgar, M.D. is an obstetrics & gynecology physician with a practice address in Dekalb, Illinois, and NPI 1306162458, issued on Apr 14, 2010. Check the license (Illinois 036128447, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Corissa Janelle Elgar
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036128447 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1 Kish Hospital Dr, Dekalb, IL 60115
- Phone
- (815) 766-7021
- Enumerated
- Apr 14, 2010
- Record last updated
- Sep 22, 2023
- Fax
- (815) 758-5690
- Medicare enrollment
- Enrolled (PECOS I20121112000207); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 2008
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 1 Kish Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Abdur-Rahman, MDHospitalist Physician1538658729
- Christopher Adams, CRNACertified Registered Nurse Anesthetist1326182635
- Tiffany Adamson, APRN, FNP-BCNurse Practitioner1679299606
- Talha Ahmed, DOEmergency Medicine Physician1225560733
- Estefany AndersonPhysical Therapist1689127318
- David Anthony, M.D., M.P.H.Emergency Medicine Physician1649437682
Verify Corissa Janelle Elgar 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 036128447Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
19 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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
- Central Dupage Physician GroupDekalb, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Corissa Janelle Elgar among 2,062 obstetrics & gynecology physician records in Illinois
Corissa Janelle Elgar, M.D. is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2008 · median 2006 among the 1,168 with a school on file
- Record last updated2023 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Illinois
There are 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Dekalb → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Joseph Baumgart, MDDekalb, IL 601151235124488
- Carolyn Mills, MDDekalb, IL 601151548354731
- Rosanna Olofsson, DODekalb, IL 601151922093178
- Natalie Price, MDDekalb, IL 601151710906235
- Lata Santa Ines, MDElgin, IL 601201871621136
- Steven Binette, MDBloomingdale, IL 601081770535445
- Samuel Botros, M.D.Bloomingdale, IL 601081568637866
- Vernon Cannon, M.D.Bloomingdale, IL 601081740293703
Common questions
What is Corissa Janelle Elgar, M.D.'s NPI number?
Corissa Janelle Elgar, M.D.'s National Provider Identifier (NPI) is 1306162458, issued on Apr 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Corissa Janelle Elgar, M.D. located?
The NPPES record lists a practice address at 1 Kish Hospital Dr, Dekalb, IL, 60115. Phone: (815) 766-7021. Providers update this record themselves, so call before visiting.
How can I verify Corissa Janelle Elgar, M.D.'s license?
NPPES lists Illinois license number 036128447, 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 Corissa Janelle Elgar, M.D. prescribe under Medicare Part D?
In 2024, Corissa Janelle Elgar, M.D. had 19 Medicare Part D claims for 13 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.