Genesiscare USA of Prince Georges County, Maryland LLC
NPI 1508984097 · Radiation Oncology Physician · Greenbelt, MD
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Genesiscare USA of Prince Georges County, Maryland LLC is a Radiation Oncology Physician organization in Greenbelt, MD (NPI 1508984097).
Provider details
- NPI number
- 1508984097
- Entity type
- Organization
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Shaden Marzouk, President(239) 931-7254
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Greenbelt Radiation Oncology Center
- Doing business as
- Greenbelt Radiation Oncology Center
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2023-09-25
- Certified
- 2023-09-25
Frequently asked questions
- What is Genesiscare USA of Prince Georges County, Maryland LLC's NPI number?
- Genesiscare USA of Prince Georges County, Maryland LLC's National Provider Identifier (NPI) is 1508984097, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Genesiscare USA of Prince Georges County, Maryland LLC?
- Genesiscare USA of Prince Georges County, Maryland LLC is classified in the NPPES registry as Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Genesiscare USA of Prince Georges County, Maryland LLC located?
- Genesiscare USA of Prince Georges County, Maryland LLC's practice location on file with NPPES is 7503 Greenway Center Dr, Greenbelt, MD 20770-3508.
- What is Genesiscare USA of Prince Georges County, Maryland LLC's phone number?
- The practice phone number listed in the NPPES registry for Genesiscare USA of Prince Georges County, Maryland LLC is (301) 446-3540.
- Does Genesiscare USA of Prince Georges County, Maryland LLC accept Medicare?
- Genesiscare USA of Prince Georges County, Maryland LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Genesiscare USA of Prince Georges County, Maryland LLC?
- The authorized official listed on Genesiscare USA of Prince Georges County, Maryland LLC's NPPES record is Shaden Marzouk, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Genesiscare USA of Prince Georges County, Maryland LLC's NPI active?
- Yes — Genesiscare USA of Prince Georges County, Maryland LLC's NPI (1508984097) is active in the NPPES registry as of the last update on 2023-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.