CHRISTOPHER R SIDDEN M.D.
NPI 1104872837
Radiology - Diagnostic Radiology in Newark, DE
About Christopher R Sidden M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER R SIDDEN M.D. (NPI 1104872837) is an individual diagnostic radiology provider in Newark, Delaware, licensed in California (C141328) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Eastern Virginia Medical School (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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
Christopher R Sidden M.d. 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
19Medicare enrollment records show Christopher Sidden reassigns Medicare billing to 19 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, DE 19713
- Reassigned Medicare billing, Delaware, Florida and South Carolina enrollments
- 52 clinicians in this Medicare group
Newark, DE 19713
- Reassigned Medicare billing, Delaware enrollment
- 35 clinicians in this Medicare group
Prince Frederick, MD 20678
- Reassigned Medicare billing, Florida enrollment
- 8 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, Florida and New York enrollments
- 29 clinicians in this Medicare group
New City, NY 10956
- Reassigned Medicare billing, South Carolina enrollment
- 2 clinicians in this Medicare group
Virginia Beach, VA 23452
- Reassigned Medicare billing, Florida enrollment
- 2 clinicians in this Medicare group
Fayetteville, NC 28304
- Reassigned Medicare billing, Florida and North Carolina enrollments
- 8 clinicians in this Medicare group
Fayetteville, NC 28304
- Reassigned Medicare billing, Florida enrollment
- 6 clinicians in this Medicare group
Wagram, NC 28396
- Reassigned Medicare billing, North Carolina enrollment
- 476 clinicians in this Medicare group
Whiteville, NC 28472
- Reassigned Medicare billing, North Carolina enrollment
- 187 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 26
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.
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.
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 Christopher Sidden's NPI number?
The NPI number for Christopher Sidden is 1104872837. It was assigned to this individual provider in the NPPES registry on May 25, 2006.
Where is Christopher Sidden located?
Christopher Sidden practices at 40 Polly Drummond Hill Rd Bldg 4, Newark, DE 19711. The listed phone number is (585) 218-8012.
What is Christopher Sidden's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Christopher Sidden enrolled in Medicare?
Yes. Christopher Sidden 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 Christopher Sidden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Sidden reassigns Medicare benefits to 19 organizations: Delaware Radiology Associates PA (Newark, DE), Abby Medical, LLC (Newark, DE), Maryland Imaging Network PC (Prince Frederick, MD), Lenox Hill Radiology & Medical Imaging Associates, PC (New York, NY), Hudson Valley Radiology Associates PLLC (New City, NY) and 14 more organizations, listed in the Medicare section above. 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 Christopher Sidden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christopher Sidden accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Christopher Sidden 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 Christopher Sidden was last updated on June 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.