DR. KATHERINE CUSACK LONGO M.D.
NPI 1063825248
Radiology - Diagnostic Radiology in Madison, WI

Q: What is Katherine Longo's NPI number?

The NPI number for Katherine Longo is 1063825248. It was assigned to this individual provider in the NPPES registry on June 5, 2014.

Q: What is Katherine Longo'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 Katherine Longo was last updated on March 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 June 05, 2014PECOS EnrolledAccepts Medicare Assignment

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE, MADISON, WI 53792(309) 264-1315 Get Directions Write a Review

NPPES record last updated: March 8, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Katherine Cusack Longo M.d. NPPES

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

DR. KATHERINE CUSACK LONGO M.D. (NPI 1063825248) is an individual diagnostic radiology provider in Madison, Wisconsin, licensed in Wisconsin (66844-20) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Waukesha Memorial Hospital, and is a graduate of Creighton University School Of Medicine (2014).

NPPES Registry Identity

NPI1063825248

Entity TypeIndividualFemale

Primary Taxonomy2085R0202X

Provider Legal NameDR. KATHERINE CUSACK LONGOCredential: M.D.

Location AddressUW HOSPITALS AND CLINICS, 600 HIGHLAND AVEMadison, WI 53792-0001

Mailing Address2550 University Ave Apt 603Madison, WI 53705-3809 · (309) 264-1315

Phone(309) 264-1315

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 2014

Enumeration DateJune 5, 2014

Last NPPES UpdateMarch 8, 2017

✔ NPI 1063825248 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 WI · 66844-20

Definition

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

UW HOSPITALS AND CLINICS, Madison, WI 53792

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), Group Health Cooperative-SCW.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Cusack Longo 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 ID1557681434

PECOS Enrollment IDI20190529000602

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 Katherine Longo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Prohealth Medical Group Inc

36 mi

Internal Medicine

109 AIR PARK DR
Watertown, WI 53094

Reassigned Medicare billing, Wisconsin enrollment
528 clinicians in this Medicare group

NPI 1629119417 (262) 928-5100

Radiology Waukesha S.C.

60 mi

Diagnostic Radiology

725 AMERICAN AVE
Waukesha, WI 53188

Reassigned Medicare billing, Wisconsin enrollment
Medicare enrollment name: Radiology Waukesha Sc
35 clinicians in this Medicare group

NPI 1730175258 (262) 928-2400

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 25

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.

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.

2,730 services25 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.

131 services121 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.

65 services64 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.

58 services50 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.

49 services49 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.

42 services42 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.

33 services33 patients

X-ray of chest, 2 views 71046

31 services31 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.

25 services25 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.

22 services14 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.

21 services21 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.

21 services21 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.

19 services19 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.

16 services16 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.

15 services15 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.

15 services15 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.

14 services14 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.

14 services14 patients

Ct scan of abdominal aorta and both leg arteries with contrast 75635

A CT scan of the abdominal aorta and both leg arteries with contrast is a medical imaging procedure. A special dye is injected to make your blood vessels visible on the scan. This helps to check for any blockages or abnormalities in these areas.

14 services13 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.

13 services13 patients

Ct scan of chest without contrast 71250

12 services12 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 chest with contrast 71275

11 services11 patients

Ct scan of abdomen and pelvis with contrast 74177

11 services11 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Waukesha Memorial Hospital

Acute Care Hospitals · Waukesha, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520008

Location725 American AveWaukesha, WI 53188 · Waukesha County

Emergency services Birthing friendly

Oconomowoc Memorial Hospital

Acute Care Hospitals · Oconomowoc, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520062

Location791 E Summit AveOconomowoc, WI 53066 · Waukesha County

Emergency services Birthing friendly

Watertown Memorial Hospital

Acute Care Hospitals · Watertown, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520116

Location125 Hospital DriveWatertown, WI 53098 · Dodge County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53792 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

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

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.

DR. DAVID FRANCIS M.D.

Radiology (Radiation Oncology)

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

Dane County (608) 263-6400

AYESHA NAEEM MD

Student in an Organized Health Care Education/Training Program

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

Dane County (608) 263-6400

KENNETH COGGINS M.D.

Internal Medicine

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE.
MADISON, WI 53792

Dane County (608) 263-5660

LEAH MARIE SCHUPPENER DO

Pathology (Anatomic Pathology & Clinical Pathology)

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE.
MADISON, WI 53792

Dane County (608) 262-7158

BYRON BARKSDALE JR. M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

Dane County (608) 263-6400

DR. BRANDON POTTER MD

Anesthesiology

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

Dane County (608) 263-6400

MARINA NASRIN SHARIFI M.D., PH.D.

Internal Medicine (Medical Oncology)

UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

Dane County (608) 266-6400

MATTHEW O'CONNOR MD

Emergency Medicine

UW HOSPITALS AND CLINICS, 600 UNIVERSITY AVE
MADISON, WI 53792

Dane County (651) 795-8799

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 Katherine Longo's NPI number?

The NPI number for Katherine Longo is 1063825248. It was assigned to this individual provider in the NPPES registry on June 5, 2014.

Where is Katherine Longo located?

Katherine Longo practices at Uw Hospitals And Clinics 600 Highland Ave, Madison, WI 53792. The listed phone number is (309) 264-1315.

What is Katherine Longo's specialty?

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

Is Katherine Longo enrolled in Medicare?

Yes. Katherine Longo 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 Katherine Longo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Longo reassigns Medicare benefits to 2 organizations: Prohealth Medical Group Inc (Watertown, WI) and Radiology Waukesha S.C. (Waukesha, WI). 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 Katherine Longo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Katherine Longo accept?

Health plans from CareSource (Common Ground Healthcare) and Group Health Cooperative-SCW list Katherine Longo 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 Katherine Longo affiliated with any hospitals?

According to CMS data, Katherine Longo is affiliated with Waukesha Memorial Hospital, Oconomowoc Memorial Hospital and Watertown Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Longo was last updated on March 8, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.