KEVIN THIEN TOAN BUI M.D.
NPI 1578906186
Radiology - Vascular & Interventional Radiology in La Mesa, CA

Q: What is Kevin Bui's NPI number?

The NPI number for Kevin Bui is 1578906186. It was assigned to this individual provider in the NPPES registry on April 12, 2013.

Q: What is Kevin Bui's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Q: When was this NPI record last updated?

The NPPES record for Kevin Bui was last updated on July 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 12, 2013PECOS EnrolledAccepts Medicare Assignment

5555 GROSSMONT CENTER DR, LA MESA, CA 91942(619) 740-5100 Get Directions Write a Review

NPPES record last updated: July 14, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 14, 2022, Jul 25, 2019 (2 updates tracked since 2019).

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About Kevin Thien Toan Bui M.d. NPPES

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

KEVIN THIEN TOAN BUI M.D. (NPI 1578906186) is an individual vascular & interventional radiology provider in La Mesa, California, licensed in California (A134576) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Saint Louis University School Of Medicine (2013).

NPPES Registry Identity

NPI1578906186

Entity TypeIndividualMale

Primary Taxonomy2085R0204X

Provider Legal NameKEVIN THIEN TOAN BUICredential: M.D.

Location Address5555 GROSSMONT CENTER DRLa Mesa, CA 91942-3019

Mailing Address7777 Alvarado Rd Ste 108La Mesa, CA 91942-8245 · (619) 460-2770 · Fax (619) 460-2774

Phone(619) 740-5100

Sole ProprietorNo

Medical School CMSSaint Louis University School Of MedicineGraduated 2013

Enumeration DateApril 12, 2013

Last NPPES UpdateJuly 14, 20222 updates tracked since enumeration

NPPES CertifiedJuly 14, 2022

✔ NPI 1578906186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0204X

License✔ Licensed in CA · A134576

Definition

A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.

5555 GROSSMONT CENTER DR, La Mesa, CA 91942

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Secondary Practice Locations 3

Location 1200 W Arbor Dr # 8756San Diego, CA 92103 · Phone (619) 543-3534

Location 2101 The City Dr S, Bldg. 1 #0115 Rt.140Orange, CA 92868-3201 · Phone (714) 456-6579

Location 35528 E La Palma Ave Ste 4AAnaheim, CA 92807 · Phone (714) 970-0200

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

Kevin Thien Toan Bui 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 ID6507174448

PECOS Enrollment IDI20190715002488

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 Kevin Bui reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

X-Ray Medical Group Inc

1.6 mi

Diagnostic Radiology

7777 ALVARADO RD, SUITE 108
La Mesa, CA 91941

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

NPI 1740232776 (619) 460-2770

Regents Of The University Of California

9.3 mi

Diagnostic Radiology

200 W ARBOR DR
San Diego, CA 92103

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

NPI 1417050956 (800) 926-8273

Fullerton Radiology Medical Group, Inc

87 mi

Diagnostic Radiology

5528 E LA PALMA AVE STE 4A
Anaheim, CA 92807

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

NPI 1861451858 (714) 993-2000

United Premier Physicians Inc

109 mi

Diagnostic Radiology

312 N GARFIELD AVE
Monterey Park, CA 91754

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

NPI 1831853266 (626) 572-2889

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 47

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.

733 services579 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.

204 services202 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.

138 services136 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

108 services103 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.

97 services97 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.

82 services75 patients

Aspiration of fluid from chest cavity using imaging guidance 32555

This procedure, known as a thoracentesis, involves removing fluid from the space between the lungs and chest wall, called the pleural space. It's performed under imaging guidance to ensure precision. It can help diagnose conditions or relieve symptoms like shortness of breath.

56 services54 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.

50 services49 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.

45 services45 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.

45 services45 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.

43 services43 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.

43 services43 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.

41 services41 patients

Ultrasonic guidance for needle placement 76942

Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.

39 services38 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

34 services33 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.

33 services32 patients

X-ray of foot, minimum of 3 views 73630

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

33 services30 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

31 services28 patients

Drainage of fluid from abdominal cavity using imaging guidance 49083

This procedure involves removing excess fluid from your abdominal cavity, which can relieve discomfort. A specialist uses imaging technology to guide a thin needle into the right spot. The fluid is then drained out safely.

29 services22 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.

29 services27 patients

Review by radiologist of ct guidance for needle placement 77012

This process involves a radiologist examining CT scan images to accurately guide a needle's placement within the body. This technique is often used for biopsies or treatments, ensuring precision and safety.

27 services27 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

27 services25 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.

25 services25 patients

Imaging for evaluation of swallowing function 74230

This process, known as a swallowing study, uses imaging technology to view how food and liquid move from your mouth to your stomach. It helps identify any issues you may have swallowing, which can be crucial for determining the best treatment plan.

25 services25 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

23 services21 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.

22 services22 patients

Biopsy and aspiration of bone marrow sample for diagnosis 38222

A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.

20 services20 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

20 services20 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.

19 services19 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.

19 services18 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.

19 services19 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

19 services19 patients

Replacement of stomach or large bowel tube using fluoroscopic guidance with contrast 49450

This procedure involves replacing a tube in your stomach or large bowel. It's guided by a special type of X-ray called fluoroscopy, which helps ensure accurate placement. Contrast material is used to enhance the visibility of your internal structures.

18 services17 patients

Insertion of stomach tube using fluoroscopic guidance with contrast 49440

This is a procedure where a tube is inserted into your stomach to assist with digestion or removal of substances. It's done under fluoroscopic guidance, a type of imaging that allows real-time viewing. Contrast dye is used to enhance the visibility of structures.

17 services17 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.

17 services17 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.

17 services17 patients

X-ray of thigh bone, minimum 2 views 73552

An X-ray of the thigh bone is a non-invasive imaging test. It involves passing a small amount of radiation through the thigh to produce images of the bone structure. At least two different angles are captured for a comprehensive view. This helps detect fractures, infections, or other abnormalities.

16 services16 patients

Review by radiologist of image for replacement of stomach or large bowel tube 75984

This procedure involves a radiologist examining images to assess the placement of a tube in your stomach or large bowel. The tube helps with digestion or removal of waste. The radiologist's review ensures the tube is correctly positioned for your safety and comfort.

16 services12 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.

16 services16 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.

14 services14 patients

X-ray of wrist, minimum of 3 views 73110

An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.

14 services13 patients

Needle biopsy or removal of surface lymph nodes 38505

A needle biopsy or removal of surface lymph nodes is a procedure where a small needle is inserted into a lymph node to collect a tissue sample. This sample is then examined under a microscope to check for diseases such as cancer. The procedure is usually quick and minimally invasive.

13 services13 patients

X-ray of lower leg, 2 views 73590

An X-ray of the lower leg, 2 views, is a quick, painless test that produces images of the bones in your lower leg. It helps to identify fractures, infections, or diseases. Two different angles are used to provide a comprehensive view of the leg's structure.

13 services13 patients

Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin 32408

A core needle biopsy of the lung or mediastinum is a procedure where a small sample of tissue is collected using a needle inserted through the skin. This helps in diagnosing lung conditions or diseases in the chest's central cavity. It's a safe and minimally invasive process.

12 services11 patients

3d radiographic procedure with computerized image postprocessing 76377

A 3D radiographic procedure with computerized image postprocessing is a high-tech imaging test. It uses X-rays to create detailed 3D images of the body. The computerized postprocessing further enhances these images for more precise diagnosis and treatment planning.

12 services12 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Fluoroscopic guidance for needle placement 77002

Fluoroscopic guidance for needle placement is a medical procedure that uses a special X-ray technology to help accurately place a needle in the body. It's often used in biopsies, injections or other treatments to ensure precision and safety.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91942 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

$94.87 typical visit price

range $62.10 – $184.71

Typical copayment $23.71 (range $15.52 – $46.17)

Most-billed visit code 99203

Established Patient

$76.87 typical visit price

range $20.62 – $151.42

Typical copayment $19.21 (range $5.15 – $37.85)

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.

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.

ALHELI BAILY

Registered Nurse

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

MISS APRIL JULIA CROMIE PMHNP-BC, APRN, MSN

Nurse Practitioner (Psychiatric/Mental Health)

5555 GROSSMONT CENTER DR, 5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (858) 296-6182

TEAGAN SHEA COLEMAN

Registered Nurse (Emergency)

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

BRENDAN J LEE DO

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 644-4401

PAUL Y ABOU MD

Internal Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 465-0711

MRS. AMY ELIZABETH VU P.A.-C

Physician Assistant

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

CHRISTA ANN LANDOWSKA AREFIEVA MD

Emergency Medicine

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

TYLER QUOC NGUYEN

Pharmacist

5555 GROSSMONT CENTER DR
LA MESA, CA 91942

San Diego County (619) 740-6000

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 Kevin Bui's NPI number?

The NPI number for Kevin Bui is 1578906186. It was assigned to this individual provider in the NPPES registry on April 12, 2013.

Where is Kevin Bui located?

Kevin Bui practices at 5555 Grossmont Center Dr, La Mesa, CA 91942. The listed phone number is (619) 740-5100.

What is Kevin Bui's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Kevin Bui enrolled in Medicare?

Yes. Kevin Bui 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 Kevin Bui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kevin Bui reassigns Medicare benefits to 4 organizations: X-Ray Medical Group Inc (La Mesa, CA), Regents Of The University Of California (San Diego, CA), Fullerton Radiology Medical Group, Inc (Anaheim, CA) and United Premier Physicians Inc (Monterey Park, CA). 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 Kevin Bui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kevin Bui was last updated on July 14, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.