RALPH MANGUSAN NP
NPI 1497125439
Nurse Practitioner - Adult Health in Bethesda, MD
About Ralph Mangusan Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RALPH MANGUSAN NP (NPI 1497125439) is an individual adult health provider in Bethesda, Maryland, licensed in Maryland (R259892) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS, is affiliated with Holy Cross Hospital, and maintains a secondary practice location in Baltimore.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ralph Mangusan Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Ralph Mangusan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 5 clinicians in this Medicare group
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Asheville, NC 28801
- Reassigned Medicare billing, North Carolina enrollment
- 46 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Holy Cross Hospital
Acute Care Hospitals · Silver Spring, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20892 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
BETHESDA, MD 20892
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ralph Mangusan's NPI number?
The NPI number for Ralph Mangusan is 1497125439. It was assigned to this individual provider in the NPPES registry on October 2, 2015.
Where is Ralph Mangusan located?
Ralph Mangusan practices at 10 Center Dr, Bethesda, MD 20892. The listed phone number is (240) 858-3215.
What is Ralph Mangusan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Ralph Mangusan enrolled in Medicare?
Yes. Ralph Mangusan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ralph Mangusan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Mangusan reassigns Medicare benefits to 3 organizations: Potomac Oncology & Hematology, LLC (Rockville, MD), Medstar Medical Group II LLC (Washington, DC) and Western North Carolina Community Health Services, Inc. (Asheville, NC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ralph Mangusan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ralph Mangusan accept?
Health plans from UnitedHealthcare list Ralph Mangusan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Ralph Mangusan affiliated with any hospitals?
According to CMS data, Ralph Mangusan is affiliated with Holy Cross Hospital.
When was this NPI record last updated?
The NPPES record for Ralph Mangusan was last updated on May 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ralph Mangusan, NP · NPI 1497125439
Adult Health physician in Bethesda, Maryland. Individual provider, active in the CMS NPPES registry since October 2, 2015.
## Identity
- **NPI:** 1497125439 (Entity type: Individual)
- **Enumerated:** October 2, 2015
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** R259892 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 CENTER DR, Bethesda, MD 20892-4120
- **Phone:** (240) 858-3215
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Potomac Oncology & Hematology, LLC (NPI 1962947937, Rockville, MD); Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Western North Carolina Community Health Services, Inc. (NPI 1043392921, Asheville, NC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** May 8, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1497125439) · Data from the CMS NPPES public registry.