MARGARET DEROSA NP
NPI 1538612593
Nurse Practitioner - Family in Brandywine, MD
About Margaret Derosa Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET DEROSA NP (NPI 1538612593) is an individual family provider in Brandywine, Maryland, licensed in Maryland (R271877) and active in the NPI registry since July 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
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
Margaret Derosa 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 Reassignment
Medicare enrollment records show Margaret Derosa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laurel, MD 20707
- Reassigned Medicare billing, District of Columbia and Maryland enrollments
- Medicare enrollment name: Maryland Oncology Hematology PA
- Also billed through NPI 1396710703 (Maryland)
- 74 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20613 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BRANDYWINE, MD 20613
BRANDYWINE, MD 20613
BRANDYWINE, MD 20613
BRANDYWINE, MD 20613
BRANDYWINE, MD 20613
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 Margaret Derosa's NPI number?
The NPI number for Margaret Derosa is 1538612593. It was assigned to this individual provider in the NPPES registry on July 26, 2016.
Where is Margaret Derosa located?
Margaret Derosa practices at 7704 Matapeake Business Dr Ste 200, Brandywine, MD 20613. The listed phone number is (301) 812-3900.
What is Margaret Derosa's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Margaret Derosa enrolled in Medicare?
Yes. Margaret Derosa 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 organization bills Medicare for Margaret Derosa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Derosa reassigns Medicare benefits to Maryland Oncology Hematology, P.A. (Laurel, MD). The 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 Margaret Derosa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Margaret Derosa was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.
# Margaret Derosa, NP · NPI 1538612593
Family physician in Brandywine, Maryland. Individual provider, active in the CMS NPPES registry since July 26, 2016.
## Identity
- **NPI:** 1538612593 (Entity type: Individual)
- **Enumerated:** July 26, 2016
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R271877 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 7704 MATAPEAKE BUSINESS DR STE 200, Brandywine, MD 20613-3045
- **Phone:** (301) 812-3900
## 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:** Maryland Oncology Hematology, P.A. (NPI 1821271032, Laurel, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 21, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1538612593) · Data from the CMS NPPES public registry.