DR. DILAN SAMARAWICKRAMA M.D.
NPI 1811214257
Radiology - Diagnostic Radiology in Redding, CA

Q: What is Dilan Samarawickrama's NPI number?

The NPI number for Dilan Samarawickrama is 1811214257. It was assigned to this individual provider in the NPPES registry on April 26, 2010.

Q: What is Dilan Samarawickrama's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Active since April 26, 2010PECOS EnrolledAccepts Medicare Assignment

2020 COURT ST, REDDING, CA 96001(530) 243-1236(530) 243-8161 Get Directions Write a Review

NPPES record last updated: September 13, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Dr. Dilan Samarawickrama M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DILAN SAMARAWICKRAMA M.D. (NPI 1811214257) is an individual diagnostic radiology provider in Redding, California, licensed in California (A114890) and active in the NPI registry since April 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2009).

NPPES Registry Identity

NPI1811214257

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. DILAN SAMARAWICKRAMACredential: M.D.

Location Address2020 COURT STRedding, CA 96001-1822

Mailing AddressPo Box 492080Redding, CA 96049-2080 · (530) 243-1236 · Fax (530) 243-8161

Phone(530) 243-1236

Fax(530) 243-8161

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2009

Enumeration DateApril 26, 2010

Last NPPES UpdateSeptember 13, 2016

✔ NPI 1811214257 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0202X

License✔ Licensed in CA · A114890

Definition

A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

2020 COURT ST, Redding, CA 96001

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Other Identifiers 2

OtherCA165494CA · Medicare Ptan

OtherCA165501CA · Medicare Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Arkansas Blue Cross and Blue Shield, Health Advantage, Octave.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

Dr. Dilan Samarawickrama 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 ID5193031060

PECOS Enrollment IDI20150909000534

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

Medicare enrollment records show Dilan Samarawickrama reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Medical Doctors Imaging Inc A Medical Group

Same address

Diagnostic Radiology

2020 COURT ST
Redding, CA 96001

Reassigned Medicare billing, California enrollment
7 clinicians in this Medicare group

NPI 1235161480 (530) 243-1236

Regional Radiological Associates, Inc. A Medical Group

Same address

Diagnostic Radiology

2020 COURT ST
Redding, CA 96001

Reassigned Medicare billing, California enrollment
10 clinicians in this Medicare group

NPI 1649202888 (530) 243-1236

Chi St. Vincent Medical Group Hot Springs

1,657 mi

Specialist

1 MERCY LN, SUITE 201
Hot Springs, AR 71913

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1831387117 (501) 609-2229

St. Vincent Medical Group

1,687 mi

Family Medicine

2 ST. VINCENT CIRCLE
Little Rock, AR 72205

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1134176480 (501) 552-3571

Radiology Associates PA

1,687 mi

Diagnostic Radiology

500 S UNIVERSITY AVE, SUITE 101
Little Rock, AR 72205

Reassigned Medicare billing, California enrollment
5 clinicians in this Medicare group

NPI 1366438186 (501) 664-3914

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 18

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.

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.

568 services551 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.

318 services317 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.

199 services195 patients

Ct scan of abdomen and pelvis without contrast 74176

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

181 services176 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.

153 services151 patients

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.

101 services94 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

75 services69 patients

Ct scan of chest without contrast 71250

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

73 services73 patients

Ct scan of chest with contrast 71260

A CT scan of the chest with contrast is an imaging procedure. A special dye (contrast) is used to highlight specific areas in your body, providing clearer pictures of your chest. This helps in diagnosing conditions related to your lungs, heart, and other chest structures.

54 services54 patients

Ct scan of blood vessels of head with contrast 70496

A CT scan of the head's blood vessels with contrast is a diagnostic procedure. A special dye (contrast) is injected into your body to make the blood vessels visible on the scan. This helps identify issues like blockages or abnormalities in your head's blood vessels.

53 services53 patients

Ct scan of blood vessels of neck with contrast 70498

A CT scan of the neck's blood vessels with contrast is a diagnostic procedure. It uses X-rays and a special dye to create detailed images of your neck's blood vessels. This helps doctors detect issues such as blockages or abnormalities.

51 services51 patients

Ct scan of blood vessels of abdomen and pelvis with contrast 74174

A CT scan of the abdomen and pelvis with contrast is a medical imaging procedure. A special dye, called contrast, is used to make blood vessels more visible. The scan produces detailed images of your abdomen and pelvis, helping doctors to diagnose conditions or plan treatments.

47 services46 patients

Ct scan of lower spine without contrast 72131

A CT scan of the lower spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed images of your lower back area, helping to detect conditions like fractures, infections, or tumors. It's painless and generally quick.

40 services40 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

35 services35 patients

Ct scan of pelvis without contrast 72192

A CT scan of the pelvis without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your lower abdomen area. It helps in detecting issues like injuries, inflammation, or abnormal growths. It doesn't involve any dye injection.

32 services32 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

15 services15 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

12 services12 patients

Ct scan of leg without contrast 73700

A CT scan of the leg is a non-invasive imaging test that uses X-rays to capture detailed images of your leg's bones, muscles, and blood vessels. It doesn't use contrast dye and doesn't cause any pain. It helps in diagnosing injuries or diseases.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96001 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

$90.32 typical visit price

range $58.87 – $176.60

Typical copayment $22.58 (range $14.71 – $44.15)

Most-billed visit code 99203

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

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.

Reported Quality Measures

Cardiac Stress Imaging Not Meeting Appropriate Use Criteria: Preoperative Evaluation in Low Risk Surgery Patients

Percentage of stress single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI), stress echocardiogram (ECHO), cardiac computed tomography angiography (CCTA), or cardiac magnetic resonance (CMR) performed in low risk surgery…

Lower rates are better for this measure.

0%102 patients

Cardiac Stress Imaging Not Meeting Appropriate Use Criteria: Routine Testing After Percutaneous Coronary Intervention (PCI)

Percentage of all stress single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI), stress echocardiogram (ECHO), cardiac computed tomography angiography (CCTA), and cardiovascular magnetic resonance (CMR) performed in patients…

Lower rates are better for this measure.

0%102 patients

Optimizing Patient Exposure to Ionizing Radiation: Count of Potential High Dose Radiation Imaging Studies: Computed Tomography (CT) and Cardiac Nuclear Medicine Studies

Percentage of computed tomography (CT) and cardiac nuclear medicine (myocardial perfusion studies) imaging reports for all patients, regardless of age, that document a count of known previous CT (any type of CT) and cardiac nuclear medicine (myocardial…

9%1,263 patients1/55-star benchmark: 100%

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

Percentage of final reports for patients aged 18 years and older undergoing CT with documentation that one or more of the following dose reduction techniques were used: - Automated exposure control - Adjustment of the mA and/or kV according to patient size -…

99%1,427 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

STEPHEN L HOFKIN M.D.

Radiology (Vascular & Interventional Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

ADAM A ATTOUN D.O.

Radiology (Diagnostic Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

GREGORY A. SHAW M.D.

Radiology (Vascular & Interventional Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

MEDICAL DOCTORS IMAGING INC A MEDICAL GROUP

Radiology (Diagnostic Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

MR. NICHOLAS COLE

Physician Assistant (Medical)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1249

JON HOHMEISTER M.D.

Radiology (Diagnostic Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

RICHARD MONTGOMERY R.N., F.N.P.

Nurse Practitioner (Family)

2020 COURT ST, STE110
REDDING, CA 96001

Shasta County (530) 243-1236

DON H CHIN M.D.

Radiology (Diagnostic Radiology)

2020 COURT ST
REDDING, CA 96001

Shasta County (530) 243-1236

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 Dilan Samarawickrama's NPI number?

The NPI number for Dilan Samarawickrama is 1811214257. It was assigned to this individual provider in the NPPES registry on April 26, 2010.

Where is Dilan Samarawickrama located?

Dilan Samarawickrama practices at 2020 Court St, Redding, CA 96001. The listed phone number is (530) 243-1236.

What is Dilan Samarawickrama's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Dilan Samarawickrama enrolled in Medicare?

Yes. Dilan Samarawickrama 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 Dilan Samarawickrama's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dilan Samarawickrama reassigns Medicare benefits to 5 organizations: Medical Doctors Imaging Inc A Medical Group (Redding, CA), Regional Radiological Associates, Inc. A Medical Group (Redding, CA), Chi St. Vincent Medical Group Hot Springs (Hot Springs, AR), St. Vincent Medical Group (Little Rock, AR) and Radiology Associates PA (Little Rock, AR). 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 Dilan Samarawickrama's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dilan Samarawickrama accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Dilan Samarawickrama 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 Dilan Samarawickrama was last updated on September 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.