Ian Johnston, M.D.
Obstetrics & Gynecology Physician · Danville, IN
Ian Johnston, M.D. is an obstetrics & gynecology physician with a practice address in Danville, Indiana, and NPI 1679551345, issued on Jan 4, 2006. Check the license (Indiana 01039175A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Ian Johnston
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01039175A IN
Self-reported in NPPES; status is on the state search - Practice location
- 112 Hospital LN Ste 302, Danville, IN 46122
- Phone
- (317) 272-7510
- Enumerated
- Jan 4, 2006
- Record last updated
- Mar 5, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (317) 272-7514
- Medicaid ID
- 100373390A IN
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 894 in Indiana → Look up another NPI →
Also registered at 112 Hospital LN Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roulan Abu HweijNephrology Physician1942676069
- Amy Wilson, NPWomen's Health Nurse Practitioner1255404455
Verify Ian Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01039175ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
16 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Ian Johnston among 894 obstetrics & gynecology physician records in Indiana
Ian Johnston, M.D. 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 fileNo · 66% of these records are
- 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
- Nicole King, M.D.Danville, IN 461221184945198
- Barbara Koewler, MDDanville, IN 461221588695043
- Grace Badman, M.D.Avon, IN 461231477531986
- Deanna Fenoughty, M.D.Avon, IN 461231245218908
Common questions
What is Ian Johnston, M.D.'s NPI number?
Ian Johnston, M.D.'s National Provider Identifier (NPI) is 1679551345, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ian Johnston, M.D. located?
The NPPES record lists a practice address at 112 Hospital LN Ste 302, Danville, IN, 46122. Phone: (317) 272-7510. Providers update this record themselves, so call before visiting.
How can I verify Ian Johnston, M.D.'s license?
NPPES lists Indiana license number 01039175A, 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 Ian Johnston, M.D. prescribe under Medicare Part D?
In 2024, Ian Johnston, M.D. had 16 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.