James Leo Gildner, M.D.
Obstetrics & Gynecology Physician · Springfield, IL
James Leo Gildner, M.D. is an obstetrics & gynecology physician with a practice address in Springfield, Illinois, and NPI 1477549590, issued on Sep 23, 2005. Check the license (Illinois 036074550, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James Leo Gildner
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036074550 IL
Self-reported in NPPES; status is on the state search - Practice location
- 701 N 1St St, Springfield, IL 62781
- Phone
- (217) 528-7541
- Enumerated
- Sep 23, 2005
- Record last updated
- Jan 27, 2026
- Medicaid ID
- 036074550 IL
- Medicare enrollment
- Enrolled (PECOS I20090119000109); accepts Medicare assignment
- Medical or professional school
- Southern Illinois University School Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
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Verify James Leo Gildner 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 036074550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Obhg Illinois SCQuincy, IL
- Springfield Clinic, LLPSpringfield, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Leo Gildner among 2,062 obstetrics & gynecology physician records in Illinois
James Leo Gildner, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1983 · median 2006 among the 1,168 with a school on file
- Record last updated2026 · 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).
68 obstetrics & gynecology physician records list a practice address in Springfield
They are 68 of the 4,997 NPPES records with a practice address in Springfield, and 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in Springfield → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Darryl Engeljohn, MDSpringfield, IL 627811912935172
- Cecily Negri, MDSpringfield, IL 627941841031523
- Olufeyisayo Taiwo, M.D.Benton, IL 628121194108712
- Philip Chung, M.D.Floria, IL 628391831413947
- Terah Holland, MDSpringfield, IL 627031851706824
- Hana Ahmed, MDSpringfield, IL 627021942127931
- Ronahy AlzaghaSpringfield, IL 627021649971243
- Hector Fuentes PlataSpringfield, IL 627021376475004
Common questions
What is James Leo Gildner, M.D.'s NPI number?
James Leo Gildner, M.D.'s National Provider Identifier (NPI) is 1477549590, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Leo Gildner, M.D. located?
The NPPES record lists a practice address at 701 N 1St St, Springfield, IL, 62781. Phone: (217) 528-7541. Providers update this record themselves, so call before visiting.
How can I verify James Leo Gildner, M.D.'s license?
NPPES lists Illinois license number 036074550, 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), 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.