Provider Profile
Masako Longwell
Unclaimed ProfileAbout Masako Longwell
No biography has been added yet. Is this you? Claim this profile to add one.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (571) 234-0403
- Email not available
Practice Locations
8119 HOLLAND RD
Alexandria, VA 22306
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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 does Masako Longwell specialize in?
Masako Longwell is a nurse practitioner in Alexandria, VA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where is Masako Longwell located?
Masako Longwell is listed at 8119 Holland Rd, Alexandria, VA 22306. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Masako Longwell's phone number?
The number on file is (571) 234-0403. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Masako Longwell?
Masako Longwell's National Provider Identifier is 1245012673. 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 Masako Longwell have?
Masako Longwell has 3+ years experience. Registered with an NPI since 2023. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Masako Longwell's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Masako Longwell. 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.