Provider Profile
Marianne E. Crowley, FNP-BC
Unclaimed ProfileAbout Marianne Crowley
Marianne E. Crowley, FNP-BC is a nurse practitioner practicing in Leesburg, VA. Marianne trained at George Washington University School of Medicine, graduating in 2025. This provider record is associated with NPI 1275400210.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
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
- (703) 202-1111
- Email not available
Practice Locations
19450 DEERFIELD AVENUE, SUITE 325
Leesburg, VA 20176
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 8
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 — 22 related providers in 3 groups
Other nurse practitioners in Leesburg 7
Same specialty, same city.
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at George Washington University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Marianne E. Crowley specialize in?
Marianne E. Crowley is a nurse practitioner in Leesburg, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Marianne E. Crowley located?
Marianne E. Crowley is listed at 19450 Deerfield Avenue, Suite 325, Leesburg, VA 20176. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marianne E. Crowley's phone number?
The number on file is (703) 202-1111. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marianne E. Crowley's NPI number?
Marianne E. Crowley's National Provider Identifier is 1275400210. 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
Where did Marianne E. Crowley train?
Marianne E. Crowley attended George Washington University School of Medicine, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How long has Marianne E. Crowley been practicing?
Marianne E. Crowley has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Has Marianne E. Crowley confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marianne E. Crowley. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.