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Edit this profileAt a glance
- University Hospital, L4, Stony Brook, NY 11794
About Dr. Johnstone
Margaret Johnstone, M.D. practices diagnostic radiology in Stony Brook, NY. The provider's National Provider Identifier (NPI) is 1740221159.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (631) 444-6920
- Email not available
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Practice Locations
UNIVERSITY HOSPITAL, L4
Stony Brook, NY 11794
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What kind of doctor is Margaret Johnstone?
Margaret Johnstone is a radiologist in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
What is Margaret Johnstone's address?
Margaret Johnstone is listed at University Hospital, L4, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Margaret Johnstone?
The number on file is (631) 444-6920. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Margaret Johnstone?
Margaret Johnstone's National Provider Identifier is 1740221159. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does Margaret Johnstone have?
Margaret Johnstone has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Margaret Johnstone's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Margaret Johnstone. If this is you, claiming it is free.
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