Dr. Ryan C. Ramaekers, MD

  • Grand Island, NE
  • Hematologist and oncologist
NPI1174539936PAC ID8022017508
Medicare services, 2024
161,080
Medicare patients, 2024
830
Part D claims, 2024
2,497
Publications
17
Clinical trials
6
Practice address
2730 W Faidley Ave, Grand Island, NE 68803
Practice phone
Call (402) 354-8124
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Oncology Hematology West

Grand Island, Nebraska

See all 10 affiliations

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Dr. Ryan C. Ramaekers is a hematologist and oncologist in Grand Island, Nebraska

Dr. Ramaekers practices at Oncology Hematology West in Grand Island, Nebraska.

Dr. Ramaekers' NPI, 1174539936, was assigned on August 1, 2006. Dr. Ramaekers graduated from University of Nebraska College of Medicine in 2003. Dr. Ramaekers holds Nebraska license 23813.

NPI and contact details
Medicare PAC ID
8022017508
NPI enumeration date
August 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(402) 354-8124
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
49
Medical school graduation
2003

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

Dr. Ryan C. Ramaekers practices at Oncology Hematology West in Grand Island, Nebraska

Dr. Ramaekers' primary practice is Oncology Hematology West, at 2730 W Faidley Ave, Grand Island, NE 68803 in Hall County. The practice phone is (402) 354-8124.

  • Oncology Hematology West
    2730 W Faidley Ave, Grand Island, NE 68803 · Hall CountyPhone(402) 354-8124

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Ryan C. Ramaekers is affiliated with 7 sites of care and 3 medical groups

Dr. Ramaekers' primary practice is Oncology Hematology West in Grand Island, Nebraska. Dr. Ramaekers is also affiliated with CHI Health St. Francis. The medical group on file is Nebraska Cancer Specialists. Dmand AI also links Dr. Ramaekers to 4 more hospitals, 2 medical groups and 1 group practice or clinic, each named with a free account.

See all 10 affiliations for Dr. Ramaekers

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ryan C. Ramaekers' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ramaekers practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oncology Hematology WestAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ryan C. Ramaekers is one of 80 hematologists and oncologists in Nebraska

Hematology and oncology is Dr. Ramaekers' primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dmand AI has Dr. Ramaekers' licenses on file in 2 states: Nebraska and Iowa.

Specialties and state licenses

  • Hematology and oncology, NebraskaPrimaryLicense 23813 · taxonomy 207RH0003X
  • Internal medicine, IowaLicense 36693 · taxonomy 207R00000X

Hematologists and oncologists near Dr. Ramaekers

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

80hematologists and oncologists in Nebraska
6hematologists and oncologists in Grand Island

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

Dr. Ryan C. Ramaekers billed Medicare for 161,080 services in 2024

CMS data shows 161,080 Medicare services from Dr. Ramaekers across 55 procedure codes in 2024, for 830 Medicare patients. Medicare paid $1,544,931 for them.

Medicare services, 2024161,080
Medicare patients830
Paid by Medicare$1.5M
Procedure codes55

Dr. Ramaekers' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 129,8302024: 152,39317%
Tests and treatments
2023: 2,5482024: 3,32731%
Office and hospital visits
2023: 2,4502024: 2,5625%
Surgery
2023: 1,3342024: 1,49812%
Other services
2023: 182024: 9094950%
Lab and pathology
2023: 2812024: 39139%

Where Dr. Ramaekers' Medicare services took place, 2024

  • In an office161,045100%
  • In a facility350%

Dr. Ramaekers compared with the Nebraska median for hematologists and oncologists, 2024

  • Dr. Ramaekers
  • Nebraska median
Medicare services
161,080vs 1,322121.8 times
Medicare patients
830vs 4082.0 times
Part D claims
2,247vs 5494.1 times

Medians across 79 hematologists and oncologists in Nebraska with Dmand AI profiles that report each measure.

Dr. Ramaekers' 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. Ramaekers

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

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

Dr. Ryan C. Ramaekers treated 830 Medicare patients in 2024, average age 76

CMS counts 830 Medicare patients who saw Dr. Ramaekers in 2024. The largest group is 65 to 74, with 353 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 6% are also on Medicaid. Their average risk score is 1.70, 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. Ramaekers' median patient age at 72, with 54% women.

Medicare patients, 2024830
Average age76
Average risk score1.70
Also on Medicaid6%

Dr. Ramaekers' Medicare patients by age, 2024

Dr. Ramaekers' Medicare patients by sex, 2024

  • Women50361%
  • Men32739%

Chronic conditions among Dr. Ramaekers' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol68%
  3. Cancer54%
  4. Arthritis46%
  5. Diabetes32%
  6. Chronic kidney disease26%
  7. Ischemic heart disease26%
  8. Mood disorders23%

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

Dr. Ramaekers' 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

  • Women54%
  • Men46%

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

Dr. Ryan C. Ramaekers wrote 2,497 Medicare Part D claims in 2024

In 2024, Dr. Ramaekers wrote 2,497 Medicare Part D claims for 341 patients. 84% of them were for generic drugs. CMS names the drug for 2,247 of them, across 55 drugs with 11 or more claims each, at $4,340,086 in total drug cost. In 2023, CMS named 1,783 claims across 41 drugs.

Part D claims, 20242,497
Drugs named by CMS55
Total drug cost$4.3M
Part D patients341

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

  • Generic2,099 claims84%
  • Brand-name398 claims16%

Dr. Ramaekers' 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. Ramaekers' Part D claims, 2024

  • Opioids2%48 of 2,497 claims
  • Antibiotics3%86 of 2,497 claims
  • Antipsychotics, patients 65 and over1%26 of 2,497 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: 1,7832024: 2,24726%

Drugs named by CMS: 55 in 2024, 41 in 2023.

See all prescribing by Dr. Ramaekers

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. Ryan C. Ramaekers offers telehealth to Medicare patients

Dr. Ramaekers accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ramaekers as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Ryan C. Ramaekers has 17 publications on record

Dmand AI links 17 papers to Dr. Ramaekers, published from 2015 to 2021. 2015 was the busiest year, with 3. The most frequent topics are Breast Neoplasms, Antineoplastic Agents and Lung Neoplasms. Dr. Ramaekers has published most often in J Clin Oncol. Dr. Ramaekers' most frequent co-authors are Mehmet Sitki Copur, MD, Dron Gauchan, MD and Douglas A. Clark, MD.

Papers17
Years published2015 to 2021

Dr. Ramaekers' papers by year, 2015 to 2021

Topics Dr. Ramaekers writes about most

  • Breast Neoplasms
  • Antineoplastic Agents
  • Lung Neoplasms
  • Antibodies, Monoclonal
  • Biomarkers, Tumor
  • Carcinoma, Non-Small-Cell Lung
  • Medical Oncology

Dr. Ramaekers' most frequent co-authors

Recent publications by Dr. Ramaekers

See all 17 publications and co-authors

See who Dr. Ramaekers researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ramaekers 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. Ryan C. Ramaekers has worked on 6 clinical trials

Dmand AI links Dr. Ramaekers to 6 clinical trials. 4 are still active or recruiting. Conditions studied include Breast Neoplasms, Hodgkin Disease and Multiple Myeloma. National Cancer Institute (NCI) sponsors the most, 2. Open Payments lists research payments to Dr. Ramaekers that name 1 trial.

Clinical trials with Dr. Ramaekers by phase

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

Conditions in Dr. Ramaekers' trials

  • Breast Neoplasms
  • Hodgkin Disease
  • Multiple Myeloma
  • Small Cell Lung Carcinoma
  • Thyroid Diseases

Investigators on the most trials with Dr. Ramaekers

Recent clinical trials with Dr. Ramaekers

See all 6 clinical trials and co-investigators

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ryan C. Ramaekers received $3,331 in industry payments from 2016 to 2025

CMS Open Payments shows 134 general payments to Dr. Ramaekers from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 81% of the total. Janssen Pharmaceuticals, Inc paid the most, $274. It also lists 3 research payments totaling $8,865 from 2020 to 2021, naming 1 clinical trial.

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

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

$3.3Kin total
  • Food and beverage$2,69881%
  • Education$48314%
  • Consulting fees$1505%

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

Share is of all general payments to this clinician.

See all payments to Dr. Ramaekers

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

Dr. Ryan C. Ramaekers graduated from University of Nebraska College of Medicine

Dr. Ramaekers graduated from University of Nebraska College of Medicine in 2003.

  1. Medical schoolUniversity of Nebraska College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ryan C. Ramaekers'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)
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)
Training, board certification and membershipsDmand AI Professional Profile 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. Ryan C. Ramaekers

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. Ryan C. Ramaekers' NPI number?

Dr. Ryan C. Ramaekers' NPI number is 1174539936. It was assigned on August 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ryan C. Ramaekers?

Dr. Ryan C. Ramaekers is a hematologist and oncologist in Grand Island, Nebraska. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Dr. Ryan C. Ramaekers practice?

Dr. Ramaekers practices at 2730 W Faidley Ave, Grand Island, NE 68803. Dr. Ramaekers' primary practice is Oncology Hematology West in Grand Island, Nebraska. Dmand AI also links Dr. Ramaekers to 4 hospitals, 2 medical groups and 1 group practice or clinic.

What is Dr. Ryan C. Ramaekers' office phone number?

The practice phone on file for Dr. Ramaekers is (402) 354-8124.

What is Dr. Ryan C. Ramaekers' medical license number?

Dr. Ramaekers holds Nebraska license 23813, one of the licenses on file in 2 states.

Which states has Dr. Ryan C. Ramaekers been licensed in?

Dmand AI has state licenses on file for Dr. Ramaekers in Nebraska and Iowa.

Which hospitals is Dr. Ryan C. Ramaekers affiliated with?

Dr. Ramaekers is affiliated with CHI Health St. Francis. Dmand AI links Dr. Ramaekers to 4 more hospitals.

What medical group is Dr. Ryan C. Ramaekers part of?

Dr. Ramaekers is linked to Nebraska Cancer Specialists. Dmand AI links Dr. Ramaekers to 2 more medical groups.

Does Dr. Ryan C. Ramaekers accept Medicare?

Yes. CMS data shows Dr. Ramaekers billed Medicare for 161,080 services in 2024, and Dr. Ramaekers accepts Medicare assignment.

Does Dr. Ryan C. Ramaekers offer telehealth?

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

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Ryan C. Ramaekers see?

CMS counts 830 Medicare patients who saw Dr. Ramaekers in 2024, with an average age of 76.

What services does Dr. Ryan C. Ramaekers bill to Medicare?

In 2024, Dr. Ramaekers' most billed Medicare services were injected or infused drug (J9263), injected or infused drug (J1439) and injected or infused drug (J1453).

Where did Dr. Ryan C. Ramaekers go to medical school?

Dr. Ramaekers graduated from University of Nebraska College of Medicine in 2003.

What drugs does Dr. Ryan C. Ramaekers prescribe most?

In 2024 Medicare Part D data, Dr. Ramaekers' most prescribed drugs by claims were Anastrozole, Potassium Chloride and Acyclovir.

Has Dr. Ryan C. Ramaekers received payments from drug or device companies?

CMS Open Payments shows $3,331 in general payments to Dr. Ramaekers from 46 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Ryan C. Ramaekers been practicing?

Dr. Ramaekers graduated from medical school in 2003, 23 years ago.

Does Dr. Ryan C. Ramaekers do research?

Dmand AI links 17 publications to Dr. Ramaekers, published from 2015 to 2021. Dr. Ramaekers has worked on 6 clinical trials.

Who does Dr. Ryan C. Ramaekers publish with?

Dr. Ramaekers' most frequent co-authors are Mehmet Sitki Copur, MD (14 shared papers), Dron Gauchan, MD (13 shared papers) and Douglas A. Clark, MD (8 shared papers).

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