IAN JOHNSTON (M.D.) – Obstetrics & Gynecology Physician, NPI 1679551345

IAN JOHNSTON (M.D.) is a healthcare provider. based in Plainfield, Indiana. specializing in Obstetrics & Gynecology Physician. They hold the professional credentials M.D.. They hold a License No. 01039175A (IN). The NPI Number for IAN JOHNSTON (M.D.) is 1679551345

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
IAN JOHNSTON (M.D.)
NPI
1679551345
Phone
(317) 837-5570
Address
1100 SOUTHFIELD DR
Enumeration Date
4 January 2006
Last Update Date
5 March 2021

Doctor Profile

Medical School Name
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
3172727500
Graduation Year
1988 (38 years ago)
PAC ID
4587615703
Group Practice PAC ID
4880505528
Professional Enrollment ID
I20050204000580

Contacts

Secure Messaging
ijohnston228430@direct-PRD.stelizabeth.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for IAN JOHNSTON (M.D.)

  • Southfield Drive, Plainfield, Hendricks County, Indiana, 46168, United States

    SUITE 1370

    PLAINFIELD, IN 461684498

    Phone: (317) 837-5570

    Fax: (317) 837-5580

    Type: Mailing

  • Hospital Lane, Danville, Hendricks County, Indiana, 46122, United States

    DANVILLE, IN 461221998

    Phone: (317) 272-7510

    Fax: (317) 272-7514

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 2 Open Payments records for all available years, with a total value of $199.

Total Amount is formed as General ($199) + Research ($0) + Ownership ($0) = $199.

Last reported payment date: 2023-11-16 • Largest payer in this snapshot: NESTLE HEALTHCARE NUTRITION INC. ($113).

Total Amount

$199

General + Research + Ownership

Payments

2

Total payment records

General Amount

$199

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-11-16

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 46168)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4880505528View full group profile

Reviews

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Frequently asked questions

How do I look up IAN JOHNSTON (M.D.) by NPI?
Use NPI 1679551345 when you need to reference IAN JOHNSTON (M.D.) in forms, claims, or directories.
Is IAN JOHNSTON (M.D.) active in the national directory?
IAN JOHNSTON (M.D.)'s public NPI profile is in an active state.
Does IAN JOHNSTON (M.D.) list a primary specialty?
If you are matching referrals, note Obstetrics & Gynecology Physician for IAN JOHNSTON (M.D.). Clinical services aligned with this taxonomy classification.
What location metadata exists for IAN JOHNSTON (M.D.)?
The page summarizes Plainfield, Indiana for IAN JOHNSTON (M.D.); expand the address list for detail.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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