Dr. Adedayo A. Onitilo, MD

  • Marshfield, WI
  • Hematologist and oncologist
NPI1275631566PAC ID5991766404
Medicare services, 2024
1,880
Medicare patients, 2024
568
Part D claims, 2024
332
Publications
104
Clinical trials
10
Practice address
611 St Joseph Ave, Marshfield, WI 54449
Practice phone
Call (715) 387-9963
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Marshfield Medical Center - Marshfield

Hospital · Marshfield, Wisconsin

See all 9 affiliations

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Dr. Adedayo A. Onitilo is a hematologist and oncologist in Marshfield, Wisconsin

Dr. Onitilo practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health.

Dr. Onitilo's NPI, 1275631566, was assigned on September 20, 2006. Dr. Onitilo holds Wisconsin license 46194.

NPI and contact details
Medicare PAC ID
5991766404
NPI enumeration date
September 20, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(715) 387-9963
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. Adedayo A. Onitilo practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin

Dr. Onitilo's primary practice is Marshfield Medical Center - Marshfield, at 611 St Joseph Ave, Marshfield, WI 54449 in Wood County. The practice phone is (715) 387-9963.

Source: Dmand AI Affiliation Data

Dr. Adedayo A. Onitilo is affiliated with 7 sites of care and 2 medical groups

Dr. Onitilo's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. Dr. Onitilo is also affiliated with Aspirus Stevens Point Hospital. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Onitilo to 3 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Onitilo's employer is on file too: a hospital.

See all 9 affiliations for Dr. Onitilo

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

Dmand AI tracks the EHR system at Dr. Adedayo A. Onitilo's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onitilo practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Marshfield Medical Center - MarshfieldAvailable with a free account
+6 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Adedayo A. Onitilo is one of 277 hematologists and oncologists in Wisconsin

Hematology and oncology is Dr. Onitilo's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. Onitilo is licensed in Wisconsin.

Specialties and state licenses

  • Hematology and oncology, WisconsinPrimaryLicense 46194 · taxonomy 207RH0003X

Hematologists and oncologists near Dr. Onitilo

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. Adedayo A. Onitilo billed Medicare for 1,880 services in 2024

CMS data shows 1,880 Medicare services from Dr. Onitilo across 6 procedure codes in 2024, for 568 Medicare patients. Medicare paid $115,770 for them.

Medicare services, 20241,880
Medicare patients568
Paid by Medicare$115,770
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,8042024: 1,7175%
Other services
2023: 02024: 163
Lab and pathology
2023: 522024: 0100%
Surgery
2023: 272024: 0100%

Where Dr. Onitilo's Medicare services took place, 2024

  • In an office844%
  • In a facility1,79696%

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

  • Dr. Onitilo
  • Wisconsin median
Medicare services
1,880vs 5453.4 times
Medicare patients
568vs 1723.3 times
Part D claims
224vs 44650% below

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

Dr. Onitilo'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. Onitilo

Need commercial claims for Dr. Onitilo?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Onitilo 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. Adedayo A. Onitilo treated 568 Medicare patients in 2024, average age 74

CMS counts 568 Medicare patients who saw Dr. Onitilo in 2024. The largest group is 65 to 74, with 274 patients. 70% of them have high blood pressure, and 66% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.61, 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. Onitilo's median patient age at 73, with 58% women.

Medicare patients, 2024568
Average age74
Average risk score1.61
Also on Medicaid14%

Dr. Onitilo's Medicare patients by age, 2024

Dr. Onitilo's Medicare patients by sex, 2024

  • Women30253%
  • Men26647%

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

  1. High blood pressure70%
  2. High cholesterol66%
  3. Cancer51%
  4. Arthritis32%
  5. Chronic kidney disease29%
  6. Diabetes27%
  7. Ischemic heart disease27%
  8. Anxiety20%

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

Dr. Onitilo's patients across all payers

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

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women58%
  • Men42%

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

Dr. Adedayo A. Onitilo wrote 332 Medicare Part D claims in 2024

In 2024, Dr. Onitilo wrote 332 Medicare Part D claims for 87 patients. 83% of them were for generic drugs. CMS names the drug for 224 of them, across 9 drugs with 11 or more claims each, at $346,028 in total drug cost. In 2023, CMS named 547 claims across 17 drugs.

Part D claims, 2024332
Drugs named by CMS9
Total drug cost$346,028
Part D patients87

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

  • Generic275 claims83%
  • Brand-name57 claims17%

Dr. Onitilo'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5472024: 22459%

Drugs named by CMS: 9 in 2024, 17 in 2023.

See all prescribing by Dr. Onitilo

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. Adedayo A. Onitilo scored 81 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Onitilo for performance year 2024, reported as part of a group. Dr. Onitilo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Onitilo as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Onitilo's MIPS scores, performance year 2024

  • 81of 100Final score
  • 55.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 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. Adedayo A. Onitilo has 104 publications on record

Dmand AI links 104 papers to Dr. Onitilo, published from 2011 to 2025. 2021 was the busiest year, with 12. The most frequent topics are Breast Neoplasms, Antineoplastic Agents and Mammography. Dr. Onitilo has published most often in Clin Med Res. Dr. Onitilo's most frequent co-authors are Supriya Gupta Mohile, MD, Sabo Bukar Tanimu, MD and Onyinye Balogun, MD.

Papers104
Years published2011 to 2025

Dr. Onitilo's papers by year, 2016 to 2025

Topics Dr. Onitilo writes about most

  • Breast Neoplasms
  • Antineoplastic Agents
  • Mammography
  • Polymorphism, Single Nucleotide
  • Antineoplastic Combined Chemotherapy Protocols
  • Wisconsin
  • Antibodies, Monoclonal, Humanized
  • Biomarkers, Tumor

Dr. Onitilo's most frequent co-authors

Recent publications by Dr. Onitilo

See all 104 publications and co-authors

See who Dr. Onitilo researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Onitilo 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. Adedayo A. Onitilo has worked on 10 clinical trials

Dmand AI links Dr. Onitilo to 10 clinical trials, 4 of them phase 3 studies. 9 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Carcinoma, Bronchogenic and Adenocarcinoma of Lung. National Cancer Institute (NCI) sponsors the most, 7.

Clinical trials with Dr. Onitilo by phase

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

Conditions in Dr. Onitilo's trials

  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Bronchogenic
  • Adenocarcinoma of Lung
  • Carcinoma, Intraductal, Noninfiltrating
  • COVID-19

Investigators on the most trials with Dr. Onitilo

Recent clinical trials with Dr. Onitilo

See all 10 clinical trials and co-investigators

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

Dr. Adedayo A. Onitilo received $126,866 in industry payments from 2016 to 2025

CMS Open Payments shows 146 general payments to Dr. Onitilo from 25 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 73% of the total. Incyte Corporation paid the most, $17,083. It also lists 1 research payment totaling $28,457 in 2022.

General payments to Dr. Onitilo by program year, 2016 to 2025

General payments to Dr. Onitilo by kind, 2016 to 2025

$126.9Kin total
  • Consulting fees$92,71673%
  • Travel and lodging$12,82310%
  • Speaker and faculty fees$10,2988%
  • Honoraria$8,1106%
  • Other$2,9202%

Companies that paid Dr. Onitilo the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Onitilo

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

Sources for Dr. Adedayo A. Onitilo'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)
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. Adedayo A. Onitilo

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. Adedayo A. Onitilo's NPI number?

Dr. Adedayo A. Onitilo's NPI number is 1275631566. It was assigned on September 20, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Adedayo A. Onitilo?

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

Where does Dr. Adedayo A. Onitilo practice?

Dr. Onitilo practices at 611 St Joseph Ave, Marshfield, WI 54449. Dr. Onitilo's primary practice is Marshfield Medical Center - Marshfield in Marshfield, Wisconsin, part of Sanford Health. Dmand AI also links Dr. Onitilo to 3 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Adedayo A. Onitilo's office phone number?

The practice phone on file for Dr. Onitilo is (715) 387-9963.

What is Dr. Adedayo A. Onitilo's medical license number?

Dr. Onitilo holds Wisconsin license 46194.

Which hospitals is Dr. Adedayo A. Onitilo affiliated with?

Dr. Onitilo practices at Marshfield Medical Center - Marshfield in Marshfield, Wisconsin. Dr. Onitilo is also affiliated with Aspirus Stevens Point Hospital. Dmand AI links Dr. Onitilo to 3 more hospitals.

What medical group is Dr. Adedayo A. Onitilo part of?

Dr. Onitilo is linked to Marshfield Clinic Health System. Dmand AI links Dr. Onitilo to 1 more medical group.

Does Dr. Adedayo A. Onitilo accept Medicare?

Yes. CMS data shows Dr. Onitilo billed Medicare for 1,880 services in 2024, and Dr. Onitilo accepts Medicare assignment.

Does Dr. Adedayo A. Onitilo offer telehealth?

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

What is Dr. Adedayo A. Onitilo's MIPS score?

Dr. Onitilo's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Adedayo A. Onitilo see?

CMS counts 568 Medicare patients who saw Dr. Onitilo in 2024, with an average age of 74.

What services does Dr. Adedayo A. Onitilo bill to Medicare?

In 2024, Dr. Onitilo's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and care management and other visits (99441).

What drugs does Dr. Adedayo A. Onitilo prescribe most?

In 2024 Medicare Part D data, Dr. Onitilo's most prescribed drugs by claims were Anastrozole, Tamoxifen Citrate and Eliquis.

Has Dr. Adedayo A. Onitilo received payments from drug or device companies?

CMS Open Payments shows $126,866 in general payments to Dr. Onitilo from 25 companies from 2016 to 2025. The largest total came from Incyte Corporation.

How long has Dr. Adedayo A. Onitilo been practicing?

Dr. Onitilo graduated from medical school in 1995, 31 years ago.

Does Dr. Adedayo A. Onitilo do research?

Dmand AI links 104 publications to Dr. Onitilo, published from 2011 to 2025. Dr. Onitilo has worked on 10 clinical trials.

Who does Dr. Adedayo A. Onitilo publish with?

Dr. Onitilo's most frequent co-authors are Supriya Gupta Mohile, MD (7 shared papers), Sabo Bukar Tanimu, MD (7 shared papers) and Onyinye Balogun, MD (5 shared papers).

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