MARK ROBERT DEBUSSY APRN
NPI 1407333164
Nurse Practitioner - Psychiatric/Mental Health in Newark, DE
About Mark Robert Debussy Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK ROBERT DEBUSSY APRN (NPI 1407333164) is an individual psychiatric/mental health provider in Newark, Delaware, licensed in Delaware (L8-0000176) and active in the NPI registry since July 2018. He is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Mark Robert Debussy Aprn 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
2Medicare enrollment records show Mark Debussy reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19702
- Reassigned Medicare billing, Delaware enrollment
Elkton, MD 21921
- Reassigned Medicare billing, Maryland enrollment
- 512 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 3
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 19711 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mark Debussy's NPI number?
The NPI number for Mark Debussy is 1407333164. It was assigned to this individual provider in the NPPES registry on July 25, 2018.
Where is Mark Debussy located?
Mark Debussy practices at 232 Goldfinch Turn, Newark, DE 19711. The listed phone number is (302) 379-0899.
What is Mark Debussy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mark Debussy enrolled in Medicare?
Yes. Mark Debussy 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 Mark Debussy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Debussy reassigns Medicare benefits to 2 organizations: Debussy And Associates Behavioral Health LLC (Newark, DE) and Union Hospital Of Cecil County, Inc. (Elkton, MD). 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 Mark Debussy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Debussy accept?
Health plans from AmeriHealth Caritas Next list Mark Debussy 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.
When was this NPI record last updated?
The NPPES record for Mark Debussy was last updated on January 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months 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.
# Mark Robert Debussy, APRN · NPI 1407333164
Psychiatric/Mental Health physician in Newark, Delaware. Individual provider, active in the CMS NPPES registry since July 25, 2018.
## Identity
- **NPI:** 1407333164 (Entity type: Individual)
- **Enumerated:** July 25, 2018
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** L8-0000176 (Delaware)
- **Sole proprietor:** No
## Practice location
- **Address:** 232 GOLDFINCH TURN, Newark, DE 19711-4112
- **Phone:** (302) 379-0899 · **Fax:** (302) 327-4197
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Debussy And Associates Behavioral Health LLC (NPI 1689209777, Newark, DE); Union Hospital Of Cecil County, Inc. (NPI 1407607450, Elkton, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** January 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1407333164) · Data from the CMS NPPES public registry.