Dr. Kathryn A. Bylow, MD

  • Milwaukee, WI
  • Hematologist and oncologist
NPI1437370095PAC ID7719088202
Medicare services, 2024
590
Medicare patients, 2024
125
Part D claims, 2024
524
Publications
22
Clinical trials
8
Practice address
9200 W Wisconsin Ave, Milwaukee, WI 53226
Practice phone
Call (414) 805-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Froedtert Hospital

Hospital · Milwaukee, Wisconsin

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Dr. Kathryn A. Bylow is a hematologist and oncologist in Milwaukee, Wisconsin

Dr. Bylow practices at Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health.

Dr. Bylow's NPI, 1437370095, was assigned on May 1, 2007. Dr. Bylow graduated from University of Wisconsin-Madison in 2000. Dr. Bylow's Wisconsin license number on file is 50273.

NPI and contact details
Medicare PAC ID
7719088202
NPI enumeration date
May 1, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(414) 805-3000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
52
Medical school graduation
2000

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Kathryn A. Bylow practices at Froedtert Hospital in Milwaukee, Wisconsin

Dr. Bylow's primary practice is Froedtert Hospital, at 9200 W Wisconsin Ave, Milwaukee, WI 53226 in Milwaukee County. The practice phone is (414) 805-3000.

  • Froedtert Hospital
    9200 W Wisconsin Ave, Milwaukee, WI 53226 · Milwaukee CountyPhone(414) 805-3000

Source: Dmand AI Affiliation Data

Dr. Kathryn A. Bylow is affiliated with 2 sites of care and 1 medical group

Dr. Bylow's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. The medical group on file is Froedtert & the Medical College of Wisconsin Community Physicians. Dmand AI also links Dr. Bylow to 1 more home health agency, named with a free account.

See all 3 affiliations for Dr. Bylow

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Kathryn A. Bylow's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bylow practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Froedtert HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Kathryn A. Bylow is one of 277 hematologists and oncologists in Wisconsin

Hematology and oncology is Dr. Bylow's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Bylow is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Bylow's licenses on file in 2 states: Wisconsin and Illinois.

Specialties and state licenses

  • Hematology and oncology, WisconsinPrimaryLicense 50273 · 2007 to 2025 · taxonomy 207RH0003X
  • Illinois license2003 to 2008

Clinical focus

Dmand AI lists prostate cancer among the conditions Dr. Bylow treats.

Hematologists and oncologists near Dr. Bylow

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Kathryn A. Bylow billed Medicare for 590 services in 2024

CMS data shows 590 Medicare services from Dr. Bylow across 6 procedure codes in 2024, for 125 Medicare patients. Medicare paid $35,873 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024590
Medicare patients125
Paid by Medicare$35,873
Procedure codes6

Dr. Bylow's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4902024: 35627%
Other services
2023: 02024: 234

Dr. Bylow compared with the Wisconsin median for hematologists and oncologists, 2024

  • Dr. Bylow
  • Wisconsin median
Medicare services
590vs 5458% above
Medicare patients
125vs 17227% below
Part D claims
341vs 44624% below

Medians across 269 hematologists and oncologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Bylow's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Bylow

Need commercial claims for Dr. Bylow?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bylow and other hematologists and oncologists in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Kathryn A. Bylow treated 125 Medicare patients in 2024, average age 77

CMS counts 125 Medicare patients who saw Dr. Bylow in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have cancer, and 74% have high blood pressure. Their average risk score is 2.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Bylow's median patient age at 72, with 15% women.

Medicare patients, 2024125
Average age77
Average risk score2.71

Dr. Bylow's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Bylow's Medicare patients by sex, 2024

  • Women1915%
  • Men10685%

Chronic conditions among Dr. Bylow's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure74%
  3. High cholesterol72%
  4. Arthritis47%
  5. Chronic kidney disease34%
  6. Ischemic heart disease33%
  7. Diabetes25%
  8. Anxiety22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Bylow's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women15%
  • Men85%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Kathryn A. Bylow wrote 524 Medicare Part D claims in 2024

In 2024, Dr. Bylow wrote 524 Medicare Part D claims for 88 patients. 69% of them were for generic drugs. CMS names the drug for 341 of them, across 11 drugs with 11 or more claims each, at $1,428,739 in total drug cost. In 2023, CMS named 230 claims across 9 drugs.

Part D claims, 2024524
Drugs named by CMS11
Total drug cost$1.4M
Part D patients88

Dr. Bylow's Part D claims by kind of drug, 2024

  • Generic361 claims69%
  • Brand-name163 claims31%

Dr. Bylow's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Bylow's Part D claims, 2024

  • Opioids2%13 of 524 claims
  • Antibiotics2%12 of 524 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2302024: 34148%

Drugs named by CMS: 11 in 2024, 9 in 2023.

See all prescribing by Dr. Bylow

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Kathryn A. Bylow scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Bylow for performance year 2024, reported as part of a group. Dr. Bylow accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bylow as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Bylow's MIPS scores, performance year 2024

  • 88of 100Final score
  • 82.8of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Kathryn A. Bylow has 22 publications on record

Dmand AI links 22 papers to Dr. Bylow, published from 2008 to 2025. 2013 was the busiest year, with 3. The most frequent topics are Prostatic Neoplasms, Androgen Antagonists and Accidental Falls. Dr. Bylow has published most often in Clin Genitourin Cancer. Dr. Bylow's most frequent co-authors are William Dale, MD, PhD, John D. Burfeind, MD and Ben George, MD.

Papers22
Years published2008 to 2025

Dr. Bylow's papers by year, 2008 to 2025

Topics Dr. Bylow writes about most

  • Prostatic Neoplasms
  • Androgen Antagonists
  • Accidental Falls
  • Angiogenesis Inhibitors
  • Antineoplastic Agents
  • Antineoplastic Agents, Hormonal
  • Antineoplastic Combined Chemotherapy Protocols
  • Carcinoma, Renal Cell

Dr. Bylow's most frequent co-authors

Recent publications by Dr. Bylow

See all 22 publications and co-authors

See who Dr. Bylow researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Bylow works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Kathryn A. Bylow has worked on 8 clinical trials

Dmand AI links Dr. Bylow to 8 clinical trials, 4 of them phase 3 studies. 4 are still active or recruiting. Conditions studied include Carcinoma, Renal Cell, Ureteral Neoplasms and Kidney Neoplasms. National Cancer Institute (NCI) sponsors the most, 3. Open Payments lists research payments to Dr. Bylow that name 1 trial.

Clinical trials with Dr. Bylow by phase

  1. NonePhase 1: no trials
  2. 1Phase 1/2: 1 trial
  3. 2Phase 2: 2 trials
  4. 4Phase 3: 4 trials
  5. NonePhase 4: no trials

Conditions in Dr. Bylow's trials

  • Carcinoma, Renal Cell
  • Ureteral Neoplasms
  • Kidney Neoplasms
  • Multiple Endocrine Neoplasia Type 1
  • Prostatic Neoplasms

Investigators on the most trials with Dr. Bylow

Recent clinical trials with Dr. Bylow

See all 8 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Kathryn A. Bylow received $698 in industry payments from 2017 to 2025

CMS Open Payments shows 8 general payments to Dr. Bylow from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 74% of the total. Exelixis Inc. paid the most, $309. It also lists 2 research payments totaling $1,297 from 2016 to 2017, naming 1 clinical trial.

General payments to Dr. Bylow by program year, 2017 to 2025

General payments to Dr. Bylow by kind, 2017 to 2025

$698in total
  • Food and beverage$51374%
  • Education$18526%

Companies that paid Dr. Bylow the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Bylow

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Kathryn A. Bylow has 1 award and honors on record

Dmand AI lists 1 award for Dr. Bylow, most recently CMS Stage 1 EHR in 2013.

Awards and honors for Dr. Bylow

  1. 2013
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Kathryn A. Bylow graduated from University of Wisconsin-Madison

Dr. Bylow graduated from University of Wisconsin-Madison in 2000. Dr. Bylow is a member of ASCO.

  1. Medical schoolUniversity of Wisconsin-Madison
  2. Board certified in geriatric medicineAmerican Board of Internal Medicine
  3. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Kathryn A. Bylow accepts plans from 16 insurance carriers

Dr. Bylow is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Elevance
  • HCSC
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Michigan
  • Regence Health Plans
  • Alliant Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Bylow accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare5
  4. EPO4
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Kathryn A. Bylow's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Kathryn A. Bylow

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Kathryn A. Bylow's NPI number?

Dr. Kathryn A. Bylow's NPI number is 1437370095. It was assigned on May 1, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Kathryn A. Bylow?

Dr. Kathryn A. Bylow is a hematologist and oncologist in Milwaukee, Wisconsin. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Kathryn A. Bylow practice?

Dr. Bylow practices at 9200 W Wisconsin Ave, Milwaukee, WI 53226. Dr. Bylow's primary practice is Froedtert Hospital in Milwaukee, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Bylow to 1 home health agency.

What is Dr. Kathryn A. Bylow's office phone number?

The practice phone on file for Dr. Bylow is (414) 805-3000.

What is Dr. Kathryn A. Bylow's medical license number?

Dr. Bylow's Wisconsin license number on file is 50273, one of the licenses on file in 2 states.

Which states has Dr. Kathryn A. Bylow been licensed in?

Dmand AI has state licenses on file for Dr. Bylow in Wisconsin (2007 to 2025) and Illinois (2003 to 2008).

Which hospitals is Dr. Kathryn A. Bylow affiliated with?

Dr. Bylow practices at Froedtert Hospital in Milwaukee, Wisconsin.

What medical group is Dr. Kathryn A. Bylow part of?

Dr. Bylow is linked to Froedtert & the Medical College of Wisconsin Community Physicians.

Does Dr. Kathryn A. Bylow accept Medicare?

Yes. CMS data shows Dr. Bylow billed Medicare for 590 services in 2024, and Dr. Bylow accepts Medicare assignment.

Does Dr. Kathryn A. Bylow offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Bylow as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Kathryn A. Bylow's MIPS score?

Dr. Bylow's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Kathryn A. Bylow see?

CMS counts 125 Medicare patients who saw Dr. Bylow in 2024, with an average age of 77.

Is Dr. Kathryn A. Bylow board certified?

Yes. Dr. Bylow is board certified in geriatric medicine by the American Board of Internal Medicine.

What services does Dr. Kathryn A. Bylow bill to Medicare?

In 2024, Dr. Bylow's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and hospital inpatient care (99232).

Where did Dr. Kathryn A. Bylow go to medical school?

Dr. Bylow graduated from University of Wisconsin-Madison in 2000.

What drugs does Dr. Kathryn A. Bylow prescribe most?

In 2024 Medicare Part D data, Dr. Bylow's most prescribed drugs by claims were Prednisone, Nubeqa and Abiraterone Acetate.

Has Dr. Kathryn A. Bylow received payments from drug or device companies?

CMS Open Payments shows $698 in general payments to Dr. Bylow from 5 companies from 2017 to 2025. The largest total came from Exelixis Inc.

How long has Dr. Kathryn A. Bylow been practicing?

Dr. Bylow graduated from medical school in 2000, 26 years ago.

Does Dr. Kathryn A. Bylow do research?

Dmand AI links 22 publications to Dr. Bylow, published from 2008 to 2025. Dr. Bylow has worked on 8 clinical trials.

Who does Dr. Kathryn A. Bylow publish with?

Dr. Bylow's most frequent co-authors are William Dale, MD, PhD (9 shared papers), John D. Burfeind, MD (2 shared papers) and Ben George, MD (2 shared papers).

What insurance does Dr. Kathryn A. Bylow accept?

Dr. Bylow is in network with 16 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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