Physician Profile
Unclaimed ProfileAbout JOHNSTON
Mark R Johnston, MD is a healthcare provider in New Rochelle, NY specializing in family medicine. Mark is also listed as specializing in public health & general preventive medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (914) 813-5237
- Email not available
Practice Locations
WESTCHESTER COUNTY DEPARTMENT OF HEALTH 145 HUGUENOT STREET
New Rochelle, NY 10801
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors in New Rochelle 3
Same specialty, same city.
Common questions
What does Dr. Johnston specialize in?
Dr. Johnston is a family doctor in New Rochelle, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Family Medicine”.
NPI registry
Where is Dr. Johnston located?
Dr. Johnston is listed at WESTCHESTER COUNTY DEPARTMENT OF HEALTH 145 HUGUENOT STREET, New Rochelle, NY 10801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Johnston's phone number?
The number on file is (914) 813-5237. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnston's NPI number?
Dr. Johnston's National Provider Identifier is 1619175460. 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 long has Dr. Johnston been practicing?
Dr. Johnston has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Dr. Johnston confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.