WILLIAM M KAINZBAUER MD
NPI 1083682710
Radiology - Diagnostic Radiology in West Islip, NY

Q: What is William Kainzbauer's NPI number?

The NPI number for William Kainzbauer is 1083682710. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Q: What is William Kainzbauer's specialty?

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

Active since March 09, 2006PECOS EnrolledAccepts Medicare Assignment

1000 MONTAUK HIGHWAY, WEST ISLIP, NY 11795(952) 595-1100(612) 294-4903 Get Directions Write a Review

NPPES record last updated: March 24, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About William M Kainzbauer Md NPPES

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

WILLIAM M KAINZBAUER MD (NPI 1083682710) is an individual diagnostic radiology provider in West Islip, New York, licensed in New York (201621) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with St Francis Hospital - The Heart Center, and is a graduate of State University Of New York Downstate Medical Center (1992).

NPPES Registry Identity

NPI1083682710

Entity TypeIndividualMale

Primary Taxonomy2085R0202X

Provider Legal NameWILLIAM M KAINZBAUERCredential: MD

Location Address1000 MONTAUK HIGHWAYWest Islip, NY 11795

Mailing Address52 Main StBedford Hills, NY 10507-1814 · (914) 666-2220 · Fax (914) 666-2987

Phone(952) 595-1100

Fax(612) 294-4903

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 1992

Enumeration DateMarch 9, 2006

Last NPPES UpdateMarch 24, 2016

✔ NPI 1083682710 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 NY · 201621

Definition

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

1000 MONTAUK HIGHWAY, West Islip, NY 11795

Open in Google Maps ↗

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

William M Kainzbauer 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 ID3072570605

PECOS Enrollment IDI20041215000858

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 William Kainzbauer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Empire State Radiology P C

Same address

Diagnostic Radiology

1000 MONTAUK HWY
West Islip, NY 11795

Reassigned Medicare billing, New York enrollment
356 clinicians in this Medicare group

NPI 1255962783 (718) 223-4685

Chs Physician Partners, PC

8.8 mi

Cardiovascular Disease

206 FALLWOOD PKWY
Farmingdale, NY 11735

Reassigned Medicare billing, New York enrollment
944 clinicians in this Medicare group

NPI 1750626974 (516) 249-1020

St. Francis Cardiac Prevention Services PC

9.2 mi

Diagnostic Radiology

245 OLD COUNTRY RD
Melville, NY 11747

Reassigned Medicare billing, New York enrollment
128 clinicians in this Medicare group

NPI 1376952804 (631) 465-6001

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 37

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.

891 services856 patients

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.

789 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.

374 services373 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.

351 services340 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.

330 services319 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.

191 services190 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.

143 services129 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.

117 services114 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.

115 services111 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.

104 services103 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.

100 services99 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.

98 services98 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.

97 services91 patients

Mri scan of blood vessels of neck without contrast 70547

An MRI scan of the neck's blood vessels without contrast is a non-invasive procedure that uses magnetic fields to create detailed images of your neck's blood vessels. It helps identify any abnormalities or blockages, aiding in accurate diagnosis and treatment planning.

70 services70 patients

Mri scan of brain without contrast 70551

54 services54 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.

51 services51 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.

43 services43 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.

37 services36 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.

36 services36 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.

34 services34 patients

Mri scan of lower spinal canal without contrast 72148

31 services31 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.

31 services31 patients

Mri scan of blood vessels of neck before and after contrast 70549

An MRI scan of the neck's blood vessels, both before and after contrast, is a non-invasive imaging test that uses a magnetic field and radio waves to create detailed images. Contrast dye helps highlight the vessels more clearly. This helps in diagnosing conditions like blockages or abnormalities.

27 services27 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.

26 services26 patients

Mri scan of brain before and after contrast 70553

23 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.

23 services22 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.

22 services22 patients

Mri scan of upper spinal canal without contrast 72141

21 services21 patients

Nuclear medicine study of liver and bile duct system 78226

A nuclear medicine study of the liver and bile duct system involves the use of a small amount of radioactive material to create detailed images. This helps doctors examine the liver's function and structure, and detect any abnormalities in the bile ducts.

21 services21 patients

X-ray of chest, 3 views 71047

A chest X-ray, 3 views, is a non-invasive imaging test that helps doctors view the heart, lungs, bones, and blood vessels in your chest. It involves taking three different images from various angles to provide a comprehensive view. It can detect conditions like pneumonia, heart problems, or lung cancer. You won't feel any discomfort during the procedure.

20 services20 patients

Mri scan of middle spinal canal without contrast 72146

An MRI scan of the middle spinal canal without contrast is a non-invasive imaging test. It uses magnetic fields and radio waves to create detailed images of your spine. This helps doctors identify any abnormalities or issues in your spinal canal. No dye is used in this procedure.

19 services19 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.

18 services18 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.

17 services17 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.

17 services17 patients

Nuclear medicine study of lung ventilation and circulation 78582

A nuclear medicine lung ventilation and circulation study uses a safe radioactive material to create images of air and blood flow in your lungs. It helps identify issues like blood clots or lung diseases. You inhale or receive an injection of this material, and a special camera captures the images.

14 services14 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.

13 services13 patients

Ct scan head or brain without contrast 70450

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

St Francis Hospital - The Heart Center

Acute Care Hospitals · Roslyn, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330182

Location100 Port Washington BoulevardRoslyn, NY 11576 · Nassau County

Emergency services

St Charles Hospital

Acute Care Hospitals · Port Jefferson, NY

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330246

Location200 Belle Terre RoadPort Jefferson, NY 11777 · Suffolk County

Birthing friendly

Good Samaritan Hospital Medical Center

Acute Care Hospitals · West Islip, NY

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330286

Location1000 Montauk HighwayWest Islip, NY 11795 · Suffolk County

Emergency services Birthing friendly

Chsli St Joseph Hospital

Acute Care Hospitals · Bethpage, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330332

Location4295 Hempstead TurnpikeBethpage, NY 11714 · Nassau County

Emergency services

St Catherine Of Siena Hospital Medical Center

Acute Care Hospitals · Smithtown, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number330401

Location50 Route 25ASmithtown, NY 11787 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11795 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$83.44 typical visit price

range $21.66 – $164.45

Typical copayment $20.86 (range $5.41 – $41.11)

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

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 -…

100%1,099 patients

Radiology: Exposure Dose or Time Reported for Procedures Using Fluoroscopy

Final reports for procedures using fluoroscopy that document radiation exposure indices, or exposure time and number of fluorographic images (if radiation exposure indices are not available)

92%93 patients4/55-star benchmark: 100%

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…

99%373 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.

MRS. KRISTY SELVAGGI RPAC

Physician Assistant

1000 MONTAUK HIGHWAY, GOOD SAMARITAN HOSPITAL
WEST ISLIP, NY 11795

Suffolk County (631) 376-4444

GOOD SAMARITAN HOSPITAL

Clinic/Center (Rehabilitation, Comprehensive Outpatient Rehabilitation Facility (CORF))

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-3069

MR. MATTHEW RODERICK MCKENNEY M.D.

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

OLIVIA ROSA JOHN

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

OLUWAPAMILERIN OLAYEMI M.D.

Student in an Organized Health Care Education/Training Program

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4163

DR. CHRISTOPHER MICHAEL BRENNAN M.D.

Internal Medicine

1000 MONTAUK HIGHWAY, HOSPITALIST DEPARTMENT 3RD FLOOR
WEST ISLIP, NY 11795

Suffolk County (631) 376-3610

DR. HEATHER GROOMS DO

Pediatrics

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4444

MICHAEL CHRISTOPHER HILL MBBCH

Radiology (Diagnostic Radiology)

1000 MONTAUK HIGHWAY
WEST ISLIP, NY 11795

Suffolk County (631) 376-4027

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 William Kainzbauer's NPI number?

The NPI number for William Kainzbauer is 1083682710. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is William Kainzbauer located?

William Kainzbauer practices at 1000 Montauk Highway, West Islip, NY 11795. The listed phone number is (952) 595-1100.

What is William Kainzbauer's specialty?

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

Is William Kainzbauer enrolled in Medicare?

Yes. William Kainzbauer 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 William Kainzbauer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Kainzbauer reassigns Medicare benefits to 3 organizations: Empire State Radiology P C (West Islip, NY), Chs Physician Partners, PC (Farmingdale, NY) and St. Francis Cardiac Prevention Services PC (Melville, NY). 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 William Kainzbauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Kainzbauer affiliated with any hospitals?

According to CMS data, William Kainzbauer is affiliated with St Francis Hospital - The Heart Center, St Charles Hospital, Good Samaritan Hospital Medical Center, Chsli St Joseph Hospital and St Catherine Of Siena Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for William Kainzbauer was last updated on March 24, 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.