CHRISTOPHER R SIDDEN M.D.
NPI 1104872837
Radiology - Diagnostic Radiology in Newark, DE

Active since May 25, 2006PECOS EnrolledAccepts Medicare Assignment
99.26/100
CMS Quality Rating
40 POLLY DRUMMOND HILL RD BLDG 4, NEWARK, DE 19711(585) 218-8012(585) 218-8099 Get Directions Write a Review

NPPES record last updated: June 25, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 25, 2025, Dec 11, 2020 (2 updates tracked since 2020).

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

NPI1104872837
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameCHRISTOPHER R SIDDENCredential: M.D.
Location Address40 POLLY DRUMMOND HILL RD BLDG 4Newark, DE 19711-5703
Mailing Address3620 Pelham Rd # 149Greenville, SC 29615-5044
Fax(585) 218-8099
Sole ProprietorNo
Medical School CMSEastern Virginia Medical SchoolGraduated 2001
Enumeration DateMay 25, 2006
Last NPPES UpdateJune 25, 20252 updates tracked since enumeration
NPPES CertifiedJune 25, 2025
✔ NPI 1104872837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Licenses✔ Licensed in CA · C141328✔ Licensed in VA · 0101244741
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
40 POLLY DRUMMOND HILL RD BLDG 4, Newark, DE 19711

Other Identifiers 5

MedicaidGP5074SC
MedicaidGP5278SC
MedicaidGP5275SC
Medicaid329326SC
MedicaidGP1821SC

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.

PECOS PAC ID840298550
PECOS Enrollment IDI20241010000210, I20250415001660
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

19

Medicare 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.

Diagnostic Radiology
6 OMEGA DR BLDG L
Newark, DE 19713
  • Reassigned Medicare billing, Delaware, Florida and South Carolina enrollments
  • 52 clinicians in this Medicare group
Urgent Care
1 CENTURIAN DR, SUITE 106
Newark, DE 19713
  • Reassigned Medicare billing, Delaware enrollment
  • 35 clinicians in this Medicare group
Diagnostic Radiology
130 HOSPITAL RD STE LL100
Prince Frederick, MD 20678
  • Reassigned Medicare billing, Florida enrollment
  • 8 clinicians in this Medicare group
Diagnostic Radiology
61 E 77TH ST
New York, NY 10021
  • Reassigned Medicare billing, Florida and New York enrollments
  • 29 clinicians in this Medicare group
Diagnostic Radiology
18 SQUADRON BLVD
New City, NY 10956
  • Reassigned Medicare billing, South Carolina enrollment
  • 2 clinicians in this Medicare group
Diagnostic Radiology
582 LYNNHAVEN PKWY STE 301
Virginia Beach, VA 23452
  • Reassigned Medicare billing, Florida enrollment
  • 2 clinicians in this Medicare group
Diagnostic Radiology
3186 VILLAGE DR STE 201
Fayetteville, NC 28304
  • Reassigned Medicare billing, Florida and North Carolina enrollments
  • 8 clinicians in this Medicare group
Diagnostic Radiology
1638 OWEN DR
Fayetteville, NC 28304
  • Reassigned Medicare billing, Florida enrollment
  • 6 clinicians in this Medicare group
Rural Health
24420 MARLBORO ST
Wagram, NC 28396
  • Reassigned Medicare billing, North Carolina enrollment
  • 476 clinicians in this Medicare group
General Acute Care Hospital
500 JEFFERSON ST
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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
631 services562 patients
Ct scan head or brain without contrast 70450
A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.
564 services533 patients
Ct scan of abdomen and pelvis with contrast 74177
A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.
357 services346 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
211 services207 patients
Ct scan of upper spine without contrast 72125
A CT scan of the upper spine without contrast is a non-invasive imaging test that uses X-rays to capture detailed images of your neck and upper back. It helps in identifying issues like fractures, tumors, or infections. No dye (contrast) is used in this scan.
188 services188 patients
Ct scan of blood vessels of chest with contrast 71275
A CT scan of the chest with contrast is a non-invasive imaging test. It uses X-rays and a special dye to get detailed images of your blood vessels in the chest. This helps in diagnosing conditions related to heart and lungs.
135 services129 patients

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.

New Patient
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

99.26/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40
Cost97.55

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.