NPPES file of Aug 9, 2026

Ralph Mangusan, NP

Adult Health Nurse Practitioner · Bethesda, MD

Ralph Mangusan, NP is an adult health nurse practitioner with a practice address in Bethesda, Maryland, and NPI 1497125439, issued on Oct 2, 2015. Check the license (Maryland R259892, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497125439
Name
Ralph Mangusan
Credential
NP
Primary taxonomy
Adult Health Nurse Practitioner 363LA2200X
License numbers
R259892 MD
5008057 NC
Self-reported in NPPES; status is on the state search
Practice location
10 Center Dr, Bethesda, MD 20892
Phone
(240) 858-3215
Enumerated
Oct 2, 2015
Record last updated
May 8, 2024
Medicare enrollment
Enrolled (PECOS I20250425000500); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest adult health nurse practitioner records → All 902 in Maryland → Look up another NPI →

Also registered at 10 Center Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Bindu Adhikari, MDStudent in an Organized Health Care Education/Training Program1245066208
  2. Behdad Afzali Khoshkbijari, MD, PHDNephrology Physician1639844962
  3. Anahita Agharahimi, CRNPFamily Nurse Practitioner1215967138
  4. Jeasmine Aizvera, LCSW-CClinical Social Worker1962727925
  5. Amer Al-Musa, MDInternal Medicine Physician1841992997
  6. Fatima Al-Saygh, MDClinical Genetics (M.D.) Physician1750935383

Verify Ralph Mangusan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R259892    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Potomac Oncology And Hematology, LLCRockville, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ralph Mangusan among 902 adult health nurse practitioner records in Maryland

Ralph Mangusan, NP is one of 902 adult health nurse practitioner records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.

  • NPI issued2015 · 61% of these records are older, 33% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2018 · median 2014 among the 386 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Health Nurse Practitioner providers in Maryland

There are 902 adult health nurse practitioner records in Maryland.

All 902 in Maryland → Every provider in Bethesda → Adult Health Nurse Practitioner nationwide →

The 8 adult health nurse practitioner records with the nearest ZIP codes

  1. Daniele Avila, CRNPBethesda, MD 208921417193111
  2. Michelle Braun, NPBethesda, MD 208921407012792
  3. Rosemarie CuentoBethesda, MD 208921427335132
  4. Janine Daub, CRNPBethesda, MD 208921316230980
  5. Joanne Forbes, ADULT NURSE PRACTITIBethesda, MD 208921093085409
  6. Yvonne Horneffer, NPBethesda, MD 208921659529204
  7. Megan Mackey, CRNPBethesda, MD 208921144578063
  8. Martha Marquesen, NPBethesda, MD 208921831356492

Common questions

What is Ralph Mangusan, NP's NPI number?

Ralph Mangusan, NP's National Provider Identifier (NPI) is 1497125439, issued on Oct 2, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ralph Mangusan, NP located?

The NPPES record lists a practice address at 10 Center Dr, Bethesda, MD, 20892. Phone: (240) 858-3215. Providers update this record themselves, so call before visiting.

How can I verify Ralph Mangusan, NP's license?

NPPES lists Maryland license number R259892, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.