Barbara A. Koewler, MD
Obstetrics & Gynecology Physician · Danville, IN
Barbara A. Koewler, MD is an obstetrics & gynecology physician with a practice address in Danville, Indiana, and NPI 1588695043, issued on Jul 5, 2006. Check the license (Indiana 01040920, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Barbara A. Koewler
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01040920 IN
Self-reported in NPPES; status is on the state search - Practice location
- 112 Hospital Lane, Danville, IN 46122
- Phone
- (317) 745-3366
- Enumerated
- Jul 5, 2006
- Record last updated
- Mar 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (317) 745-8528
- Medicaid ID
- 100362420A IN
- Medicare enrollment
- Enrolled (PECOS I20090312000124); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Also registered at 112 Hospital Lane
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Deweese, M.D.Pulmonary Disease Physician1891796983
- Mark Gentry, MDObstetrics & Gynecology Physician1144260191
Verify Barbara A. Koewler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01040920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
301 Medicare Part D claims for 88 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Estradiol68 claims
- Progesterone20 claims
- Nitrofurantoin Mono-Macro14 claims
- Myrbetriq13 claims
- Osphena13 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.
Industry payments in 2024: $404.22
18 payments; by number, the most common kind was food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hendricks County HospitalDanville, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara A. Koewler among 894 obstetrics & gynecology physician records in Indiana
Barbara A. Koewler, MD is one of 894 obstetrics & gynecology physician records with a practice address in Indiana. 76% 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 20% of them.
- NPI issued2006 · 20% of these records are older, 45% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2004 among the 591 with a school on file
- Record last updated2021 · 43% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 obstetrics & gynecology physician records list a practice address in Danville
They are 7 of the 508 NPPES records with a practice address in Danville, and 894 obstetrics & gynecology physician records in Indiana.
All 894 in Indiana → Every provider in Danville → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Rukeme Ake-Uzoigwe, MDDanville, IN 461221477959419
- Clark Boccone, M.D.Danville, IN 461221285832287
- Erin Deist, MDDanville, IN 461221689323107
- Mark Gentry, MDDanville, IN 461221144260191
- Ian Johnston, M.D.Danville, IN 461221679551345
- Nicole King, M.D.Danville, IN 461221184945198
- Grace Badman, M.D.Avon, IN 461231477531986
- Deanna Fenoughty, M.D.Avon, IN 461231245218908
Common questions
What is Barbara A. Koewler, MD's NPI number?
Barbara A. Koewler, MD's National Provider Identifier (NPI) is 1588695043, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara A. Koewler, MD located?
The NPPES record lists a practice address at 112 Hospital Lane, Danville, IN, 46122. Phone: (317) 745-3366. Providers update this record themselves, so call before visiting.
How can I verify Barbara A. Koewler, MD's license?
NPPES lists Indiana license number 01040920, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barbara A. Koewler, MD prescribe under Medicare Part D?
In 2024, Barbara A. Koewler, MD had 301 Medicare Part D claims for 88 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.