Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ARUN BASU MD
NPI 1639184377
Radiology - Diagnostic Radiology in New London, CT

Q: What is Arun Basu's NPI number?

The NPI number for Arun Basu is 1639184377. It was assigned to this individual provider in the NPPES registry on July 30, 2006.

Q: What is Arun Basu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Arun Basu was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.

Active since July 30, 2006PECOS EnrolledAccepts Medicare Assignment

86.42/100

CMS Quality Rating

365 MONTAUK AVE, NEW LONDON, CT 06320(860) 442-0711 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

On this page

About Dr. Arun Basu Md NPPES

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

DR. ARUN BASU MD (NPI 1639184377) is an individual diagnostic radiology provider in New London, Connecticut, licensed in Connecticut (045213) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639184377

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameDR. ARUN BASUCredential: MD

Location Address365 MONTAUK AVENew London, CT 06320-4700

Mailing Address4 Wynn CirEast Lyme, CT 06333-1443

Phone(860) 442-0711

Sole ProprietorNo

Medical School CMSUniversity Of Vermont College Of MedicineGraduated 2001

Enumeration DateJuly 30, 2006

Last NPPES UpdateAugust 26, 2026

NPPES CertifiedAugust 26, 2026

✔ NPI 1639184377 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 CT · 045213✔ Licensed in NY · NONE✔ Licensed in RI · MD15884

Definition

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

365 MONTAUK AVE, New London, CT 06320

Open in Google Maps ↗

Secondary Practice Locations 2

Location 125 Wells StWesterly, RI 02891-2922 · Phone (401) 596-6000

Location 2601 Elmwood Ave # 648Rochester, NY 14642-0001 · Phone (585) 275-6359

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Arun Basu Md 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 ID5597856096

PECOS Enrollment IDI20070814000030, I20180208000878

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.

Areas of Expertise CMS Part B claims 50

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.

377 services359 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.

211 services206 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.

168 services149 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.

153 services149 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.

123 services118 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.

115 services110 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.

112 services109 patients

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

100 services96 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.

80 services78 patients

Mri scan of pelvis before and after contrast 72197

An MRI scan of the pelvis before and after contrast is a non-invasive imaging technique. It uses magnetic fields and radio waves to capture detailed images of your lower abdomen. Contrast dye, safe for the body, improves image clarity. This helps detect abnormalities more accurately.

80 services80 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.

71 services71 patients

Mri scan of brain without contrast 70551

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

62 services61 patients

Mri scan of brain before and after contrast 70553

An MRI scan of the brain, both before and after contrast, helps visualize different brain structures. Initially, images are taken without a contrast agent. Then, a safe dye is injected which helps highlight certain areas, providing clearer, more detailed images.

57 services52 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.

53 services53 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.

52 services52 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

51 services50 patients

Mri scan of lower spinal canal without contrast 72148

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

40 services40 patients

Mri scan of brain before and after contrast 70553

39 services37 patients

Limited ultrasound scan of abdomen 76705

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

38 services37 patients

Mri scan of lower spinal canal without contrast 72148

34 services34 patients

Mri scan of leg joint without contrast 73721

An MRI scan of your leg joint is a non-invasive procedure that uses magnetic fields and radio waves to create detailed images of the structures within your leg. This helps doctors diagnose or monitor conditions without using contrast dye.

29 services28 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

28 services28 patients

Mri scan of arm joint without contrast 73221

An MRI scan of the arm joint is a non-invasive imaging procedure that uses magnetic fields and radio waves to create detailed images of the structures within your arm joint. No contrast dye is used in this process. It helps to diagnose or monitor conditions like arthritis, injuries, or infections.

27 services25 patients

Mri scan of abdomen before and after contrast 74183

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

26 services25 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

24 services24 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

24 services23 patients

Low dose ct scan of chest for lung cancer screening 71271

A low-dose CT scan of the chest is a quick, painless procedure that uses a small amount of radiation to create detailed images of your lungs. It's a key tool for early detection of lung cancer, especially for those at high risk.

21 services21 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.

20 services19 patients

Mri scan of abdomen before and after contrast 74183

20 services20 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.

19 services19 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.

19 services18 patients

X-ray of knee, 1-2 views 73560

An X-ray of the knee with 1-2 views is a quick, painless test that produces images of the knee bones. It helps identify fractures, infections, or changes in the knee joint. During the procedure, you'll be asked to stay still while the X-ray machine captures the images.

19 services16 patients

Mri scan of upper spinal canal without contrast 72141

An MRI scan of the upper spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your upper spine. This helps doctors identify issues such as injuries, infections or diseases. No dye is used.

17 services17 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

17 services17 patients

Mri scan of arm joint without contrast 73221

16 services16 patients

X-ray of hip, 2-3 views 73502

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

16 services16 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

15 services15 patients

Complete ultrasound scan behind abdominal cavity 76770

15 services15 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

15 services12 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

15 services15 patients

Mri scan of leg joint without contrast 73721

14 services14 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.

14 services14 patients

Mri scan of brain without contrast 70551

13 services13 patients

Mri scan of upper spinal canal without contrast 72141

13 services13 patients

X-ray of ankle, minimum of 3 views 73610

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

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.

12 services12 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.

12 services12 patients

Ultrasound scan of head and neck soft tissue 76536

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

12 services12 patients

Complete ultrasound scan of abdomen 76700

12 services12 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Westerly Hospital

Acute Care Hospitals · Westerly, RI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number410013

Location25 Wells StreetWesterly, RI 02891 · Washington County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06320 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

$93.86 typical visit price

range $60.82 – $183.10

Typical copayment $23.46 (range $15.20 – $45.77)

Most-billed visit code 99203

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

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.

86.42/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

69.92

Improvement Activities

Reported Quality Measures

Radiation Consideration for Adult CT: Utilization of Dose Lowering Techniques

100%953 patients

Radiology: Exposure Dose Indices Reported for Procedures Using Fluoroscopy

100%21 patients5/55-star benchmark: 100%

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.

KATHLEEN M PACHECO RN, CDE

Registered Nurse (Diabetes Educator)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 444-4737

DR. CHRISTOPHER TUDOR OPRICA PHARM.D.

Pharmacist (Pharmacotherapy)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 444-3711

THERESA M. BONANOMI

Social Worker (Clinical)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 444-5141

AMIT KHANNA MD

Family Medicine (Sleep Medicine)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

JOANN DONNEL LNM

Advanced Practice Midwife

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

SAMUEL MARYLES MD

Emergency Medicine

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (330) 493-4443

DR. PAUL CASINELLI M.D

Anesthesiology

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

MARIAM F. ABOUKAR D.O.

Psychiatry & Neurology (Psychiatry)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

MR. STEPHEN DANIEL SOCHA FNP-C

Nurse Practitioner (Family)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

SYDNEY HOWE

Physician Assistant

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

ANDREW POSTLER

Physician Assistant

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

ERIC BALCH M.D.

Anesthesiology

365 MONTAUK AVE, ANESTHESIA DEPARTMENT
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

LABORATORY MEDICINE CONSULTANTS, LLC

Pathology (Anatomic Pathology & Clinical Pathology)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 444-5100

MICHAEL JAMES DRECHSLER DO

Emergency Medicine

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

YARDLEY BRICE DO

Internal Medicine (Infectious Disease)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

MICHAEL W JOSEPH M.D.

Emergency Medicine

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

SYEDA KANZA AFZAL

Internal Medicine

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

MELISSA HOGAN RPH

Pharmacist

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

CURT WILSON GRAMLICH MD

Anesthesiology

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

KATHERINE JOANNE LUTHER APRN

Nurse Practitioner (Family)

365 MONTAUK AVE
NEW LONDON, CT 06320

Southeastern Connecticut Planning Region (860) 442-0711

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 Arun Basu's NPI number?

The NPI number for Arun Basu is 1639184377. It was assigned to this individual provider in the NPPES registry on July 30, 2006.

Where is Arun Basu located?

Arun Basu practices at 365 Montauk Ave, New London, CT 06320. The listed phone number is (860) 442-0711.

What is Arun Basu's specialty?

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

Is Arun Basu enrolled in Medicare?

Yes. Arun Basu 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.

Is Arun Basu affiliated with any hospitals?

According to CMS data, Arun Basu is affiliated with Westerly Hospital.

When was this NPI record last updated?

The NPPES record for Arun Basu was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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.