James M. Bowles, M.D.
Obstetrics & Gynecology Physician · Warrenville, IL
James M. Bowles, M.D. is an obstetrics & gynecology physician with a practice address in Warrenville, Illinois, and NPI 1457362774, issued on Aug 11, 2006. Check the license (Illinois 036-052253, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- James M. Bowles
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036-052253 IL
Self-reported in NPPES; status is on the state search - Practice location
- 28375 Davis Pkwy, Warrenville, IL 60555
- Phone
- (630) 653-4240
- Enumerated
- Aug 11, 2006
- Record last updated
- Apr 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (630) 225-4033
- Medicaid ID
- 036052253 IL
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 28375 Davis Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hanna Choi, M.DFamily Medicine Physician1487742441
- John Choi, M.D.Ophthalmology Physician1699765230
- Lynn Fesenmyer, M.D.Obstetrics & Gynecology Physician1518978865
- Kenneth Macek, M. D.Obstetrics & Gynecology Physician1902028293
- Lucille Russo, M. D.Obstetrics & Gynecology Physician1730190927
- Radha Upputuri, M.D.Obstetrics & Gynecology Physician1871514315
Verify James M. Bowles 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 036-052253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
54 Medicare Part D claims, 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.
James M. Bowles among 2,062 obstetrics & gynecology physician records in Illinois
James M. Bowles, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2013 · 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 Warrenville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Lynn Fesenmyer, M.D.Warrenville, IL 605551518978865
- Kenneth Macek, M. D.Warrenville, IL 605551902028293
- Lucille Russo, M. D.Warrenville, IL 605551730190927
- Radha Upputuri, M.D.Warrenville, IL 605551871514315
- Mariann Herbert, DOWestmont, IL 605591972513372
- Anjali Patel, DOWestmont, IL 605591538664404
- Brett Cassidy, MDYorkville, IL 605601649256975
- James Hawkins, D.O.Sandwich, IL 605481558421875
Common questions
What is James M. Bowles, M.D.'s NPI number?
James M. Bowles, M.D.'s National Provider Identifier (NPI) is 1457362774, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James M. Bowles, M.D. located?
The NPPES record lists a practice address at 28375 Davis Pkwy, Warrenville, IL, 60555. Phone: (630) 653-4240. Providers update this record themselves, so call before visiting.
How can I verify James M. Bowles, M.D.'s license?
NPPES lists Illinois license number 036-052253, 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 James M. Bowles, M.D. prescribe under Medicare Part D?
In 2024, James M. Bowles, M.D. had 54 Medicare Part D claims; 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.