CATHERINE BRECK HOLZNECHT M.D.
NPI 1689960023
Radiology - Diagnostic Radiology in Madison, WI

Active since June 23, 2011PECOS EnrolledAccepts Medicare Assignment
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831, MADISON, WI 53792(608) 263-8340(608) 263-0682 Get Directions Write a Review

NPPES record last updated: October 6, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Catherine Breck Holznecht M.d. NPPES

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

CATHERINE BRECK HOLZNECHT M.D. (NPI 1689960023) is an individual diagnostic radiology provider in Madison, Wisconsin, licensed in Wisconsin (60296) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and is a graduate of University Of Wisconsin School Of Medicine (2011).

NPPES Registry Identity

NPI1689960023
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameCATHERINE BRECK HOLZNECHTCredential: M.D.
Location AddressUW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831Madison, WI 53792-0001
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Fax(608) 263-0682
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2011
Enumeration DateJune 23, 2011
Last NPPES UpdateOctober 6, 2016
NPI 1689960023 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License Licensed in WI · 60296
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
UW HOSPITAL AND CLINICS, Madison, WI 53792

Other Names 1

Former Name (1)Catherine Breck Grogan M.d.

Accepted Insurance

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

Catherine Breck Holznecht 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 ID3779888789
PECOS Enrollment IDI20170531000738
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 5

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.
140 services85 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.
28 services26 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.
21 services20 patients
Screening 3d breast mammography 77063
Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.
17 services17 patients
Screening mammography 77067
Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.
17 services17 patients

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.

Surgery
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792
Student in an Organized Health Care Education/Training Program
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831
MADISON, WI 53792
Student in an Organized Health Care Education/Training Program
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831
MADISON, WI 53792
Internal Medicine
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831
MADISON, WI 53792
Otolaryngology
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831
MADISON, WI 53792
Surgery
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE, H4/831
MADISON, WI 53792
Pathology (Hematology)
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVENUE
MADISON, WI 53792
Pediatrics (Pediatric Critical Care Medicine)
UW HOSPITAL AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792

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 Catherine Holznecht's NPI number?

The NPI number for Catherine Holznecht is 1689960023. It was assigned to this individual provider in the NPPES registry on June 23, 2011. The provider is also known as Catherine Breck Grogan M.D..

Where is Catherine Holznecht located?

Catherine Holznecht practices at Uw Hospital And Clinics 600 Highland Ave, H4/831, Madison, WI 53792. The listed phone number is (608) 263-8340.

What is Catherine Holznecht's specialty?

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

Is Catherine Holznecht enrolled in Medicare?

Yes. Catherine Holznecht 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.

What insurance does Catherine Holznecht accept?

Health plans from Group Health Cooperative-SCW and Oscar Insurance Company list Catherine Holznecht 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.

When was this NPI record last updated?

The NPPES record for Catherine Holznecht was last updated on October 6, 2016. 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.