Provider Profile
Denise Johnstone, MSN, CRNP
Unclaimed ProfileAbout Denise Johnstone
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Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (202) 741-3398
- Email not available
Practice Locations
2150 PENNSYLVANIA AVE NW SUITE 10-412
Washington, DC 20037
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 nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
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.
More connections — 8 related providers in 1 group
Common questions
What kind of doctor is Denise Johnstone, MSN?
Denise Johnstone, MSN is a nurse practitioner in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is Denise Johnstone, MSN's address?
Denise Johnstone, MSN is listed at 2150 Pennsylvania Ave Nw Suite 10-412, Washington, DC 20037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Denise Johnstone, MSN?
The number on file is (202) 741-3398. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Denise Johnstone, MSN's NPI number?
Denise Johnstone, MSN's National Provider Identifier is 1245239276. 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 Denise Johnstone, MSN been practicing?
Denise Johnstone, MSN has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Denise Johnstone, MSN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Denise Johnstone, MSN. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.