GREGORY D AVEY M.D.
NPI 1881644813
Radiology - Neuroradiology in Madison, WI

Q: What is Gregory Avey's NPI number?

The NPI number for Gregory Avey is 1881644813. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Q: What is Gregory Avey'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 Gregory Avey was last updated on January 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 May 11, 2006PECOS EnrolledAccepts Medicare Assignment

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE, MADISON, WI 53792(608) 263-0572 Get Directions Write a Review

NPPES record last updated: January 4, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Gregory D Avey M.d. NPPES

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

GREGORY D AVEY M.D. (NPI 1881644813) is an individual neuroradiology provider in Madison, Wisconsin, licensed in Wisconsin (49572) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of University Of Washington School Of Medicine (2004).

NPPES Registry Identity

NPI1881644813

Entity TypeIndividualMale

Primary Taxonomy2085N0700X

Provider Legal NameGREGORY D AVEYCredential: M.D.

Location AddressUNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVEMadison, WI 53792-0001

Mailing AddressUniversity Of Wisconsin Hospital Dept Of, 600 Highland AveMadison, WI 53792-0001 · (608) 265-8231

Phone(608) 263-0572

Sole ProprietorNo

Medical School CMSUniversity Of Washington School Of MedicineGraduated 2004

Enumeration DateMay 11, 2006

Last NPPES UpdateJanuary 4, 2021

NPPES CertifiedJanuary 4, 2021

✔ NPI 1881644813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · NeuroradiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0700X

License✔ Licensed in WI · 49572

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 1691 (WI)

UNIVERSITY OF WISCONSIN HOSPITAL, Madison, WI 53792

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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

Gregory D Avey 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 ID6305993064

PECOS Enrollment IDI20090415000304

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

University Of Wisconsin System Non Payroll

0.1 mi

Multi-Specialty

750 HIGHLAND AVE FL 4, HEALTH SCIENCES LEARNING CENTER
Madison, WI 53705

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

NPI 1346266319 (608) 263-4938

Group Health Cooperative Of South Central Wisconsin

4.5 mi

Health Maintenance Organization

1265 JOHN Q HAMMONS DR
Madison, WI 53717

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

NPI 1245260165 (608) 251-4156

University Of Wisconsin Medical Foundation, Inc

4.9 mi

Multi-Specialty

7974 UW HEALTH COURT
Middleton, WI 53562

Reassigned Medicare billing, Wisconsin enrollment
2,832 clinicians in this Medicare group

NPI 1598784555 (608) 829-5485

Richland Hospital

33 mi

Rural Health

150 E JEFFERSON ST
Spring Green, WI 53588

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

NPI 1952094138 (608) 588-7413

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 17

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.

2,438 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.

238 services230 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.

137 services133 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.

121 services120 patients

Ct scan of soft tissue of neck with contrast 70491

A CT scan of the neck with contrast is a non-invasive imaging procedure. A special dye is administered to highlight the soft tissues in your neck, making them easier to see. This helps detect issues like infections, tumors, or other abnormalities.

77 services73 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.

75 services74 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.

62 services59 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.

58 services55 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.

34 services31 patients

Ct scan of middle spine without contrast 72128

A CT scan of the middle spine without contrast is a non-invasive imaging test. It uses X-rays to create detailed pictures of your mid-spine area. This scan helps doctors identify issues like fractures, tumors, or infections. No dye is used in this procedure.

32 services32 patients

Ct scan of soft tissue of neck with contrast 70491

26 services26 patients

Mri scan of blood vessels of head before and after contrast 70546

An MRI scan of the head's blood vessels before and after contrast involves capturing detailed images of these vessels. A harmless dye (contrast) is used to enhance these images, helping doctors identify any abnormalities more clearly. No radiation is involved.

25 services25 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.

20 services20 patients

Ct scan of face without contrast 70486

15 services15 patients

Ct scan of lower spine with contrast 72132

A CT scan of the lower spine with contrast is a non-invasive imaging test that uses X-ray technology and a contrast dye to create detailed pictures of your lower spine. It helps in diagnosing conditions like herniated discs, fractures, or tumors.

15 services15 patients

Mri scan of brain before and after contrast 70553

13 services13 patients

Ct scan of cranial cavity without contrast 70480

A CT scan of the cranial cavity without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed images of your head, specifically the brain area. This can help detect conditions like tumors, infections, or injuries. No dye (contrast) is used in this procedure.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number520098

Location600 Highland AvenueMadison, WI 53792 · Dane County

Emergency services

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAUREN BERN M.D.

Psychiatry & Neurology (Geriatric Psychiatry)

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0572

BRIAN C. GADBAW M.D.

Pediatrics

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE. ROOM H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0572

SUJANI KAKUMANU M.D.

Internal Medicine (Allergy & Immunology)

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0572

ARZU SOYBILGIC M.D.

Pediatrics

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE. ROOM H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0572

RICHARD JAMES BRUCE M.D.

Radiology (Neuroradiology)

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE H4/831-8320
MADISON, WI 53792

Dane County (608) 261-1945

SABINA AGRAWAL D.O.

Internal Medicine

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE. ROOM H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0571

CHINELO S UDE M.D.

Internal Medicine

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE. ROOM H4/831-8320
MADISON, WI 53792

Dane County (608) 263-0572

DR. JILL R BENNETT PHARMD

Pharmacist (Pharmacotherapy)

UNIVERSITY OF WISCONSIN HOSPITAL, 600 HIGHLAND AVE F6/133-1530
MADISON, WI 53792

Dane County (608) 263-1290

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 Gregory Avey's NPI number?

The NPI number for Gregory Avey is 1881644813. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Where is Gregory Avey located?

Gregory Avey practices at University Of Wisconsin Hospital 600 Highland Ave, Madison, WI 53792. The listed phone number is (608) 263-0572.

What is Gregory Avey's specialty?

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

Is Gregory Avey enrolled in Medicare?

Yes. Gregory Avey 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 Gregory Avey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Avey reassigns Medicare benefits to 4 organizations: University Of Wisconsin System Non Payroll (Madison, WI), Group Health Cooperative Of South Central Wisconsin (Madison, WI), University Of Wisconsin Medical Foundation, Inc (Middleton, WI) and Richland Hospital (Spring Green, 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 Gregory Avey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gregory Avey affiliated with any hospitals?

According to CMS data, Gregory Avey is affiliated with University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Gregory Avey was last updated on January 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.