GREGORY KAUFFMANN MD
NPI 1326480245
Radiology - Radiation Oncology in Milwaukee, WI

Q: What is Gregory Kauffmann's NPI number?

The NPI number for Gregory Kauffmann is 1326480245. It was assigned to this individual provider in the NPPES registry on July 19, 2013.

Q: What is Gregory Kauffmann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Kauffmann was last updated on July 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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 July 19, 2013PECOS EnrolledAccepts Medicare Assignment

2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-6420(414) 649-5309 Get Directions Write a Review

NPPES record last updated: July 12, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 12, 2018, Jan 19, 2016 (2 updates tracked since 2016).

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About Gregory Kauffmann Md NPPES

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

GREGORY KAUFFMANN MD (NPI 1326480245) is an individual radiation oncology provider in Milwaukee, Wisconsin, licensed in Wisconsin (68600-20) and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Ctr Manitowoc County, and is a graduate of University Of Chicago, Pritzker School Of Medicine (2013).

NPPES Registry Identity

NPI1326480245

Entity TypeIndividualMale

Primary Taxonomy2085R0001X

Provider Legal NameGREGORY KAUFFMANNCredential: MD

Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215

Mailing Address11516 N Port Washington Rd Ste 107Mequon, WI 53092-3478 · (262) 241-5040 · Fax (262) 241-5261

Phone(414) 649-6420

Fax(414) 649-5309

Sole ProprietorNo

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2013

Enumeration DateJuly 19, 2013

Last NPPES UpdateJuly 12, 20182 updates tracked since enumeration

✔ NPI 1326480245 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in WI · 68600-20

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125063200 (IL)

2900 W OKLAHOMA AVE, Milwaukee, WI 53215

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare), HealthPartners, Network Health and more.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

Gregory Kauffmann 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 ID345543179

PECOS Enrollment IDI20180810000490

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 Reassignment

Medicare enrollment records show Gregory Kauffmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Radiation Oncology Associates, Ltd

0.1 mi

Radiation Oncology

2900 W OKLAHOMA AVE
Milwaukee, WI 53215

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

NPI 1932154754 (414) 649-6420

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 20

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.

Ct guidance for insertion of radiation therapy fields 77014

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

573 services85 patients

Radiation treatment management, 5 treatment sessions 77427

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

151 services61 patients

Calculation of radiation therapy dose 77300

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

117 services43 patients

Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment G6017

In radiation therapy, intra-fraction localization and tracking monitor patient or target movement during treatment. This ensures that radiation is accurately delivered to the correct area. Techniques like 3D positional tracking, gating, and 3D surface tracking are used to enhance precision.

114 services12 patients

Design and construction of complex radiation treatment device 77334

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

90 services36 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

64 services64 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 77290

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

51 services34 patients

Complex radiation therapy planning 77263

Complex radiation therapy planning is a process to determine the most effective way to deliver radiation to a specific area in your body. It involves detailed imaging to map your body's structure, allowing for precise targeting of cancer cells while sparing healthy tissue.

48 services48 patients

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002

Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.

32 services16 patients

Insertion of device into vagina for radiation therapy 57156

This procedure involves placing a small device in the lower part of your body, near the abdomen. The device delivers radiation therapy to target and treat specific health concerns. It is a common, safe and effective method used in medical treatments.

31 services14 patients

High dose radiation therapy, 1 channel 77770

High dose radiation therapy involves using a high energy beam to target and destroy cancer cells. The 1 channel refers to the single direction from which the radiation is delivered. This therapy aims to minimize damage to healthy tissues while effectively treating the disease.

31 services14 patients

3d radiation therapy planning 77295

3D radiation therapy planning is a procedure that uses computer imaging to map out the area needing treatment. This ensures the radiation targets the disease precisely, while minimizing exposure to surrounding healthy tissues. It's a key step in preparing for effective radiation therapy.

29 services29 patients

Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 77280

This procedure involves gathering essential information to create the best radiation treatment plan for a specific area. It includes scanning the treatment area and using this data to calculate the precise dose of radiation needed to target the disease effectively, while sparing healthy tissue.

26 services23 patients

Design and construction of radiation treatment device for high precision radiation therapy 77338

A radiation treatment device is custom-made for each patient to target cancer cells with high precision. It's designed to focus radiation on the tumor, sparing healthy tissue. This process ensures effective therapy while minimizing side effects.

24 services21 patients

High precision radiation therapy planning 77301

High precision radiation therapy planning involves detailed mapping of your body to target cancer cells accurately. Advanced imaging techniques help identify the exact location of the tumor, minimizing harm to healthy tissues. This personalized approach enhances effectiveness and reduces side effects.

22 services21 patients

Simple radiation therapy planning for delivery of internal radiation 77316

Radiation therapy planning for internal radiation involves mapping your body using imaging scans to pinpoint the exact area requiring treatment. This aids in effectively targeting the cancer cells while sparing healthy tissues, ensuring precise and safe delivery of radiation.

22 services13 patients

Design and construction of simple radiation treatment device 77332

A simple radiation treatment device is designed and built to target specific areas in your body with high energy rays. This process is carefully planned to ensure that the radiation accurately reaches the area needing treatment, while minimizing exposure to healthy tissues.

21 services21 patients

Ct guidance for insertion of radiation therapy fields 77014

19 services14 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

17 services14 patients

Special radiation treatment 77470

Special radiation treatment is a medical procedure that uses high-energy rays to destroy or damage cancer cells. It's a targeted approach that aims to minimize harm to healthy tissues. The treatment duration varies based on individual health conditions.

16 services16 patients

Hospital Affiliations CMS Care Compare 5

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

Aurora Medical Ctr Manitowoc County

Acute Care Hospitals · Two Rivers, WI

OwnershipVoluntary non-profit - Private

CMS Certification Number520034

Location5000 Memorial DriveTwo Rivers, WI 54241 · Manitowoc County

Emergency services Birthing friendly

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520138

Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County

Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520139

Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County

Emergency services Birthing friendly

Aurora Baycare Medical Ctr

Acute Care Hospitals · Green Bay, WI

5/5 CMS rating

OwnershipProprietary

CMS Certification Number520193

Location2845 Greenbrier RdGreen Bay, WI 54311 · Brown County

Emergency services Birthing friendly

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520206

Location36500 Aurora DriveSummit, WI 53066 · Waukesha County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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

$163.24 typical visit price

range $53.90 – $163.24

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

Most-billed visit code 99205

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.

MUHAMMAD AKBAR MD LLC

Clinic/Center (Primary Care)

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 365-3210

DR. JEFFREY T LYVERS M.D.

Anesthesiology

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-6000

RANA MOHAMMED AL RUBAYE MD

Hospitalist

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-6000

JESSICA MCDOWELL

Nurse Practitioner

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-5279

MARA STASIK PA-C

Physician Assistant

2900 W OKLAHOMA AVE, 5TH FLOOR GALLERIA
MILWAUKEE, WI 53215

Milwaukee County (414) 646-2550

SARAH J PARVE NP

Nurse Practitioner

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-6000

DR. RILEY MARINELLI PT, DPT

Physical Therapist

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-6011

ASHLEY MARIE ALTER PHARMD

Pharmacist

2900 W OKLAHOMA AVE
MILWAUKEE, WI 53215

Milwaukee County (414) 649-6930

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 Kauffmann's NPI number?

The NPI number for Gregory Kauffmann is 1326480245. It was assigned to this individual provider in the NPPES registry on July 19, 2013.

Where is Gregory Kauffmann located?

Gregory Kauffmann practices at 2900 W Oklahoma Ave, Milwaukee, WI 53215. The listed phone number is (414) 649-6420.

What is Gregory Kauffmann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Gregory Kauffmann enrolled in Medicare?

Yes. Gregory Kauffmann 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 organization bills Medicare for Gregory Kauffmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Kauffmann reassigns Medicare benefits to Radiation Oncology Associates, Ltd (Milwaukee, WI). The 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 Kauffmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Kauffmann accept?

Health plans from CareSource (Common Ground Healthcare), HealthPartners, Network Health, Quartz and UnitedHealthcare list Gregory Kauffmann 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 Gregory Kauffmann affiliated with any hospitals?

According to CMS data, Gregory Kauffmann is affiliated with Aurora Medical Ctr Manitowoc County, Aurora St Lukes Medical Center, West Allis Memorial Hospital, Aurora Baycare Medical Ctr and Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Gregory Kauffmann was last updated on July 12, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.