Najeeb Crossley, M.D.
Radiation Oncology (CMS) · Harrisburg, PA
At a glance
4300 Londonderry Rd, Harrisburg, PA 17109-5317
NPPES record updated May 8, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
4300 Londonderry RdHarrisburg, PA 17109-5317
Additional reported practice locations
234 Goodman Street Ml 0757Department Of Radiation Oncology
Cincinnati, OH 452670757
Phone: 5135844775
Fax: 5135844007 2401 W Belvedere Ave
Baltimore, MD 212155216
Phone: 4106015689
Fax: 4106016307
Education & affiliations
- Medical / professional school
- Howard University College Of Medicine
- Graduation year
- 2015
- CMS specialties
- Radiation Oncology
Practice groups
Reported hospital affiliations
- Milton S Hershey Medical Center Hershey, PA
- Upmc Carlisle Carlisle, PA
- Upmc Memorial York, PA
- Upmc Pinnacle Hospitals Harrisburg, PA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Radiation Oncology (CMS)
- Taxonomy code
- 2085R0001X
- Enumeration date
- Apr 2, 2015
- Record updated
- May 8, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
390200000X
2085R0001X · Primary
License reported: MD483282 PA
2085R0001X
License reported: D89794 MD
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
4300 Londonderry RdHarrisburg, PA 17109-5317
- Phone
- (717) 724-6740
- Fax
- (717) 724-6741
Mailing address
2401 W BELVEDERE AVE DEPT OFBALTIMORE, MD 212155216
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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