Arjun Natarajan, MD
Medical Oncology (CMS) · Aurora, IL
At a glance
1221 N Highland Ave, Aurora, IL 60506-1404
NPPES record updated Aug 23, 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
1221 N Highland AveAurora, IL 60506-1404
Additional reported practice locations
1 Professional Park Dr Ste 21Johnson City, TN 376046909
Phone: 4232326900
Fax: 4232326903 1 Barnes Jewish Hospital Plz
Div Im Hospitalist
Saint Louis, MO 631101003
Phone: 3143621700
Fax: 3143629878
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2015
- CMS specialties
- Medical Oncology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
Reported hospital affiliations
- Advocate Christ Hospital & Medical Center Oak Lawn, IL
- Advocate Good Samaritan Hospital Downers Grove, IL
- Advocate Sherman Hospital Elgin, IL
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
- Medical Oncology (CMS)
- Taxonomy code
- 207RX0202X
- Enumeration date
- Mar 23, 2016
- Record updated
- Aug 23, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- MD
Reported taxonomies and licenses
207R00000X
License reported: 2019024566 MO
208M00000X
License reported: 2019024566 MO
207RX0202X · Primary
License reported: 036.170026 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1221 N Highland AveAurora, IL 60506-1404
- Phone
- (630) 554-3456
- Fax
- (630) 551-2970
Mailing address
28594 NETWORK PLCHICAGO, IL 606731285
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue