NPPES file of Aug 9, 2026

William J. Johnston, MD

Family Medicine Physician · Indianapolis, IN

William J. Johnston, MD is a family medicine physician with a practice address in Indianapolis, Indiana, and NPI 1518949593, issued on Nov 16, 2005. Check the license (Indiana 01050898A, as entered in NPPES) on the Medical Licensing Board of Indiana; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518949593
Name
William J. Johnston
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
01050898A IN
Self-reported in NPPES; status is on the state search
Practice location
610 E Southport RD, Indianapolis, IN 46227
Phone
(317) 781-7370
Enumerated
Nov 16, 2005
Record last updated
Oct 9, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(317) 782-8880
Medicaid ID
200206050A IN
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 610 E Southport RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Anderson, LCSWClinical Social Worker1629154265
  2. Mary Bertotti, MA LMHC LMFTMental Health Counselor1578512943
  3. Dawn Copas, NPPsychiatric/Mental Health Nurse Practitioner1710235361
  4. Laura KegerreisAthletic Trainer1609205368
  5. Caroline Martin, NPNurse Practitioner1003918715
  6. Kerry Minnis, LCSW, LMFT, LCACClinical Social Worker1487786935

Verify William J. Johnston in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01050898A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Indiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

William J. Johnston among 3,506 family medicine physician records in Indiana

William J. Johnston, MD is one of 3,506 family medicine physician records with a practice address in Indiana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 81% newer
  • In a Medicare fileNo · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2013 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

569 family medicine physician records list a practice address in Indianapolis

They are 569 of the 30,493 NPPES records with a practice address in Indianapolis, and 3,506 family medicine physician records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 family medicine physician records with the nearest ZIP codes

  1. Bryan Benedict, MDIndianapolis, IN 462271891702130
  2. Jeffrey Dewester, M.D.Indianapolis, IN 462271649244450
  3. Douglas Flint, MDIndianapolis, IN 462271316047772
  4. Anna Huang, MDIndianapolis, IN 462271891998456
  5. Andrew Johnstone, M.D.Indianapolis, IN 462271508831140
  6. Donald Lauer, MDIndianapolis, IN 462271003880972
  7. Thomas Moran, M.D.Indianapolis, IN 462271700876505
  8. Nuha Musa, MDIndianapolis, IN 462271609062017

Common questions

What is William J. Johnston, MD's NPI number?

William J. Johnston, MD's National Provider Identifier (NPI) is 1518949593, issued on Nov 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William J. Johnston, MD located?

The NPPES record lists a practice address at 610 E Southport RD, Indianapolis, IN, 46227. Phone: (317) 781-7370. Providers update this record themselves, so call before visiting.

How can I verify William J. Johnston, MD's license?

NPPES lists Indiana license number 01050898A, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.