Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ralph Mangusan, NP

Individual provider Adult Health Nurse Practitioner · NPI 1497125439

Ralph Mangusan, NP is a Nurse Practitioner in Bethesda, Maryland. Qualified in 2018, 8 years ago. Practices with Potomac Oncology and Hematology, LLC, a 3-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Maryland and North Carolina.

Years since qualifying
8
Licensed in
MD, NC
In the registry since
2015
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

10 Center Dr
Bethesda, MD 20892-4120
Phone: (240) 858-3215
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2510 Saint Paul St, Baltimore, MD 21218-4760 — (833) 243-7411

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence R259892 (MD)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence 5008057 (NC)

Record details

NPI number1497125439
Entity typeIndividual (Type 1)
GenderMale
Credentials NP
Sole proprietorYes
NPI enumeratedOctober 2, 2015
Last updated in NPPESMay 8, 2024
Certification dateMay 8, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Potomac Oncology And Hematology, Llc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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