SEAN CHANG M.D.
NPI 1801108568
Radiology - Neuroradiology in Oxnard, CA

Q: What is Sean Chang's NPI number?

The NPI number for Sean Chang is 1801108568. It was assigned to this individual provider in the NPPES registry on July 10, 2010.

Q: What is Sean Chang's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Q: When was this NPI record last updated?

The NPPES record for Sean Chang was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since July 10, 2010PECOS Enrolled

68.8/100

CMS Quality Rating

1901 OUTLET CENTER DR, SUITE 120, OXNARD, CA 93036(805) 604-9500 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 27, 2026, Nov 18, 2025 (2 updates tracked since 2025).

On this page

About Sean Chang M.d. NPPES

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

SEAN CHANG M.D. (NPI 1801108568) is an individual neuroradiology provider in Oxnard, California, licensed in California (112950) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains 7 additional practice locations.

NPPES Registry Identity

NPI1801108568

Entity TypeIndividualMale

Primary Taxonomy2085N0700X

Provider Legal NameSEAN CHANGCredential: M.D.

Location Address1901 OUTLET CENTER DR, SUITE 120Oxnard, CA 93036-0663

Mailing Address609 Hampshire Rd Apt 375Westlake Village, CA 91361-2318 · (310) 920-1344

Phone(805) 604-9500

Sole ProprietorYes

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2005

Enumeration DateJuly 10, 2010

Last NPPES UpdateJanuary 27, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 27, 2026

✔ NPI 1801108568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0700X

Licenses✔ Licensed in CA · 112950✔ Licensed in IA · MD-54108

Definition

A radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License PT21830 (ND), 2024034448 (MO), MD-54108 (IA), M-2501 (GU), 18726A (WY)

1901 OUTLET CENTER DR, Oxnard, CA 93036

Open in Google Maps ↗

Secondary Practice Locations 7

Location 12305 37th Ave SWMinot, ND 58701-7669 · Phone (701) 418-8000

Location 2200 Hawkins DrIowa City, IA 52242-1009 · Phone (319) 356-3375 · Fax (319) 353-8780

Location 31401 W 5th StSheridan, WY 82801-2799 · Phone (307) 672-1000

Location 41470 Sugarland Dr Ste 1Sheridan, WY 82801-5774 · Phone (307) 673-2411

Location 5701 W Forevergreen RdNorth Liberty, IA 52317-9848 · Phone (319) 356-3375 · Fax (319) 356-3949

Location 66000 Hospital DrHannibal, MO 63401-6887 · Phone (573) 248-5301 · Fax (573) 248-5302

Location 7500 E Market StIowa City, IA 52245-2633 · Phone (319) 339-3551

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Avera Health Plans, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Nebraska and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sean Chang M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8325216518

PECOS Enrollment IDI20110713000630, I20241030001435, I20241107002877, I20250128001987, I20250219003737, I20250415001737, I20250923002041, I20251215000820, I20260211001655

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 40

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.

Injection, gadobutrol, 0.1 ml A9585

Gadobutrol is a contrast agent used during MRI scans to help provide clearer images. It's injected into your vein before the scan. This helps doctors to see certain areas more clearly for better diagnosis. It's generally safe with few side effects.

15,340 services153 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

2,700 services27 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.

108 services79 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.

90 services83 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.

90 services79 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.

76 services75 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.

74 services74 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.

71 services69 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.

68 services67 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.

59 services56 patients

Limited ultrasound scan of joint or other extremity structure except blood vessels 76882

A limited ultrasound scan of a joint or other extremity structure lacking blood vessels is a non-invasive procedure that uses sound waves to create images of the inside of your body. This helps in diagnosing and monitoring conditions related to your joints or other similar structures.

51 services39 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.

43 services43 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.

33 services33 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.

32 services32 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.

31 services30 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

30 services30 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.

30 services28 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.

29 services29 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.

27 services27 patients

Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina 76830

An ultrasound scan of the lower abdominal region is a safe, non-invasive procedure that uses sound waves to create images of internal structures. This helps in checking the health of reproductive organs and detecting any abnormalities. The scan is done via a small probe inserted into the body.

27 services27 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.

26 services26 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.

25 services24 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.

24 services24 patients

Fine needle aspiration biopsy using ultrasound guidance, first growth 10005

Fine needle aspiration biopsy with ultrasound guidance is a procedure where a thin needle is inserted into a growth to extract a small sample. Ultrasound helps accurately locate the growth. This sample is then analyzed to determine the nature of the growth.

22 services19 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

22 services22 patients

Mri scan of bone of eye socket, face, and/or neck before and after contrast 70543

An MRI scan of the eye socket, face, and/or neck uses magnetic fields to create detailed images of these areas. Contrast dye helps highlight specific tissues for clearer pictures. It's non-invasive, aids in detecting abnormalities, and guides treatment plans.

20 services17 patients

Ct scan head or brain without contrast 70450

19 services18 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.

17 services17 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.

15 services15 patients

Mri scan of lower spinal canal before and after contrast 72158

An MRI scan of the lower spinal canal with contrast is a non-invasive imaging procedure. It uses magnetic fields to generate detailed images of your lower spine. A contrast agent is injected to enhance these images, helping doctors see issues more clearly.

15 services15 patients

X-ray of pelvis, 1-2 views 72170

An X-ray of the pelvis, 1-2 views, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the lower part of your torso. These images help to detect any abnormalities or injuries in your hip bones and surrounding structures.

15 services15 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.

15 services15 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

15 services15 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.

14 services14 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.

14 services14 patients

Mri scan of blood vessels of head without contrast 70544

An MRI scan of the head's blood vessels without contrast is a non-invasive imaging procedure. It uses a magnetic field and radio waves to create detailed images of the blood vessels in your head. This helps doctors diagnose conditions such as stroke, aneurysm, or other vascular disorders.

13 services13 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.

13 services13 patients

Mri scan of both breasts 77049

An MRI scan of both breasts is a non-invasive procedure using magnetic fields and radio waves to create detailed images of your chest area. This aids in detecting any abnormalities, ensuring your health and well-being.

13 services13 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.

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

University Of Iowa Health Care Medical Center Down

Acute Care Hospitals · Iowa City, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number160029

Location500 E Market StreetIowa City, IA 52245 · Johnson County

Emergency services Birthing friendly

Mercy Medical Center - Cedar Rapids

Acute Care Hospitals · Cedar Rapids, IA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number160079

Location701 10th Street SECedar Rapids, IA 52403 · Linn County

Emergency services Birthing friendly

Cape Cod Hospital

Acute Care Hospitals · Hyannis, MA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number220012

Location27 Park StreetHyannis, MA 02601 · Barnstable County

Emergency services Birthing friendly

Cape Fear Valley Medical Center

Acute Care Hospitals · Fayetteville, NC

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340028

Location1638 Owen Drive P O Box 2000Fayetteville, NC 28302 · Cumberland County

Emergency services Birthing friendly

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.

68.8/100

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

Scored as part of a group practice

Quality

24.93

Improvement Activities

Reported Quality Measures

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%419 patients

Radiology: Stenosis Measurement in Carotid Imaging Reports

Percentage of final reports for carotid imaging studies (neck magnetic resonance angiography [MRA], neck computed tomography angiography [CTA], neck duplex ultrasound, carotid angiogram) performed that include direct or indirect reference to measurements of…

95%43 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.

MR. DAVID M CORTINA PT, CSCS

Physical Therapist

1901 OUTLET CENTER DR, SUITE 110
OXNARD, CA 93036

Ventura County (805) 981-9797

COASTAL OCCUPATIONAL MEDICAL GROUP, INC

Specialist

1901 OUTLET CENTER DR, SUITE 100
OXNARD, CA 93036

Ventura County (805) 988-3200

ALEJANDRO R GARCIA M.D.

Specialist

1901 OUTLET CENTER DR, SUITE 210
OXNARD, CA 93036

Ventura County (805) 485-3800

MRS. DEBRA SUE HERRERA N.P.

Nurse Practitioner

1901 OUTLET CENTER DR, SUITE 220
OXNARD, CA 93036

Ventura County (805) 388-8830

INDARJIT SINGH M.D.

Family Medicine

1901 OUTLET CENTER DR, SUITE 220
OXNARD, CA 93036

Ventura County (805) 388-8330

YOGENDER P. GARG MD, INC.

Ophthalmology

1901 OUTLET CENTER DR, 240
OXNARD, CA 93036

Ventura County (805) 981-6300

LA MER PSYCHIATRIC MEDICAL GROUP, INC.

Psychologist (Group Psychotherapy)

1901 OUTLET CENTER DR, SUITE 220
OXNARD, CA 93036

Ventura County (805) 388-8330

MRS. RONA LEE BECK P.T.

Physical Therapist

1901 OUTLET CENTER DR, SUITE 110
OXNARD, CA 93036

Ventura County (805) 981-9797

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 Sean Chang's NPI number?

The NPI number for Sean Chang is 1801108568. It was assigned to this individual provider in the NPPES registry on July 10, 2010.

Where is Sean Chang located?

Sean Chang practices at 1901 Outlet Center Dr Suite 120, Oxnard, CA 93036. The listed phone number is (805) 604-9500.

What is Sean Chang's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Neuroradiology, with taxonomy code 2085N0700X.

Is Sean Chang enrolled in Medicare?

Yes. Sean Chang is registered in the Medicare PECOS enrollment system.

What insurance does Sean Chang accept?

Health plans from Avera Health Plans, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Nebraska and BlueCross BlueShield of South Carolina and 1 other insurer list Sean Chang 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.

Is Sean Chang affiliated with any hospitals?

According to CMS data, Sean Chang is affiliated with University Of Iowa Health Care Medical Center Down, Mercy Medical Center - Cedar Rapids, Cape Cod Hospital and Cape Fear Valley Medical Center.

When was this NPI record last updated?

The NPPES record for Sean Chang was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.