Acute Kidney InjuryLymphomaMethotrexate
Dr. Timothy J. O'Rourke, MD
NPI1215938303
- Medicare services, 2022
- 29
- Part D claims, 2021
- 11
- Publications
- 6
- Clinical trials
- 1
- Hospital affiliations
- 1
- Practice address
- 200 Jefferson Avenue SE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 685-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Rourke's professional email, personal email and mobile number
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Dr. Timothy J. O'Rourke is a hematologist and oncologist in Grand Rapids, Michigan
Dr. O'Rourke practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.
Dr. O'Rourke's NPI, 1215938303, was assigned on August 10, 2005. Dr. O'Rourke graduated from University of Michigan Homeopathic Medical School in 1976. Dr. O'Rourke holds Michigan license 4301067043.
NPI and contact details
- NPI
- 1215938303NPI Registry (opens in a new tab)
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Practice phone
- (616) 685-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Timothy J. O'Rourke practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan
Dr. O'Rourke's primary practice is Trinity Health Grand Rapids Hospital, at 200 Jefferson Avenue SE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 685-5000.
- Trinity Health Grand Rapids Hospital200 Jefferson Avenue SE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 685-5000
Source: Dmand AI Affiliation Data
Dr. Timothy J. O'Rourke is affiliated with 1 site of care and 1 medical group
Dr. O'Rourke's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. The medical group on file is The Cancer & Hematology Centers.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Timothy J. O'Rourke's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Rourke practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Grand Rapids Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Timothy J. O'Rourke is one of 298 hematologists and oncologists in Michigan
Hematology and oncology is Dr. O'Rourke's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Dr. O'Rourke is licensed in Michigan.
Specialties and state licenses
- Hematology and oncology, MichiganPrimary
Hematologists and oncologists near Dr. O'Rourke
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. Timothy J. O'Rourke billed Medicare for 29 services in 2022
CMS data shows 29 Medicare services from Dr. O'Rourke across 2 procedure codes in 2022. Medicare paid $2,903 for them. Every service was in an office.
Medicare services, 202229
Paid by Medicare$2,903
Procedure codes2
Dr. O'Rourke's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 02022: 15
- Tests and treatments
- 2021: 02022: 14
- Surgery
- 2021: 162022: 0100%
Dr. O'Rourke compared with the Michigan median for hematologists and oncologists, 2022
- Dr. O'Rourke
- Michigan median
- Medicare services
- 29vs 61995% below
- Part D claims
- 11vs 37897% below
Medians across 291 hematologists and oncologists in Michigan with Dmand AI profiles that report each measure.
Dr. O'Rourke's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. O'Rourke and other hematologists and oncologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Timothy J. O'Rourke's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. O'Rourke's median patient age at 60, with 42% women.
Dr. O'Rourke's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women42%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. Timothy J. O'Rourke wrote 11 Medicare Part D claims in 2021
In 2021, Dr. O'Rourke wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $359 in total drug cost. In 2020, CMS named 206 claims across 5 drugs.
Part D claims, 202111
Drugs named by CMS1
Total drug cost$359
Dr. O'Rourke's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 2062021: 1195%
Drugs named by CMS: 1 in 2021, 5 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Timothy J. O'Rourke has 6 publications on record
Dmand AI links 6 papers to Dr. O'Rourke, published from 2010 to 2016. 2011 was the busiest year, with 2. The most frequent topics are Acute Kidney Injury and Methotrexate. Dr. O'Rourke has published most often in J Oncol Pharm Pract. Dr. O'Rourke's most frequent co-authors are Alan D. Campbell, MD, Kathleen J. Yost, MD and Brett T. Brinker, MD.
Papers6
Years published2010 to 2016
Dr. O'Rourke's papers by year, 2010 to 2016
Topics Dr. O'Rourke writes about most
- Acute Kidney Injury
- Methotrexate
Dr. O'Rourke's most frequent co-authors
- Alan D. Campbell, MD3 shared papers
- Kathleen J. Yost, MD3 shared papers
- Brett T. Brinker, MD2 shared papers
Recent publications by Dr. O'Rourke
Proc Natl Acad Sci U S A
Autocrine CommunicationBlotting, WesternCell Line, Tumor
J Oncol Pharm Pract
Acute Kidney InjuryAdministration, OralBicarbonates
Mol Cancer Ther
Antineoplastic AgentsAntineoplastic Combined Chemotherapy ProtocolsDeoxycytidine
See who Dr. O'Rourke researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. O'Rourke works with, so you can find a warm path to the right hematologists and oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Timothy J. O'Rourke has worked on 1 clinical trial
Dmand AI links Dr. O'Rourke to 1 clinical trial. Conditions studied include Lymphoma, T-Cell, Peripheral and Primary Myelofibrosis.
Conditions in Dr. O'Rourke's trials
- Lymphoma, T-Cell, Peripheral
- Primary Myelofibrosis
Investigators on the most trials with Dr. O'Rourke
Recent clinical trials with Dr. O'Rourke
Lymphoma, T-Cell, PeripheralPrimary MyelofibrosisASN002 Dose EscalationASN002 RD
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Timothy J. O'Rourke received $1,043 in industry payments from 2016 to 2024
CMS Open Payments shows 36 general payments to Dr. O'Rourke from 23 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 91% of the total. Seagen Inc. paid the most, $143.
General payments to Dr. O'Rourke by program year, 2016 to 2024
General payments to Dr. O'Rourke by kind, 2016 to 2024
$1Kin total
- Food and beverage$94491%
- Education$999%
Companies that paid Dr. O'Rourke the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Timothy J. O'Rourke graduated from University of Michigan Homeopathic Medical School
Dr. O'Rourke graduated from University of Michigan Homeopathic Medical School in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Timothy J. O'Rourke's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Timothy J. O'Rourke
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. Timothy J. O'Rourke's NPI number?
Dr. Timothy J. O'Rourke's NPI number is 1215938303. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Timothy J. O'Rourke?
Dr. Timothy J. O'Rourke is a hematologist and oncologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).
Where does Dr. Timothy J. O'Rourke practice?
Dr. O'Rourke practices at 200 Jefferson Avenue SE, Grand Rapids, MI 49503. Dr. O'Rourke's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.
What is Dr. Timothy J. O'Rourke's office phone number?
The practice phone on file for Dr. O'Rourke is (616) 685-5000.
What is Dr. Timothy J. O'Rourke's medical license number?
Dr. O'Rourke holds Michigan license 4301067043.
Which hospitals is Dr. Timothy J. O'Rourke affiliated with?
Dr. O'Rourke practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan.
What medical group is Dr. Timothy J. O'Rourke part of?
Dr. O'Rourke is linked to The Cancer & Hematology Centers.
Does Dr. Timothy J. O'Rourke accept Medicare?
Yes. CMS data shows Dr. O'Rourke billed Medicare for 29 services in 2022.
What services does Dr. Timothy J. O'Rourke bill to Medicare?
In 2022, Dr. O'Rourke's most billed Medicare services were office visit, established patient (99214) and infusion or chemotherapy administration (96413).
Where did Dr. Timothy J. O'Rourke go to medical school?
Dr. O'Rourke graduated from University of Michigan Homeopathic Medical School in 1976.
Show 5 more questionsShow fewer questions
What drugs does Dr. Timothy J. O'Rourke prescribe most?
In 2021 Medicare Part D data, Dr. O'Rourke's most prescribed drugs by claims were Hydroxyurea.
Has Dr. Timothy J. O'Rourke received payments from drug or device companies?
CMS Open Payments shows $1,043 in general payments to Dr. O'Rourke from 23 companies from 2016 to 2024. The largest total came from Seagen Inc.
How long has Dr. Timothy J. O'Rourke been practicing?
Dr. O'Rourke graduated from medical school in 1976, 50 years ago.
Does Dr. Timothy J. O'Rourke do research?
Dmand AI links 6 publications to Dr. O'Rourke, published from 2010 to 2016. Dr. O'Rourke has worked on 1 clinical trial.
Who does Dr. Timothy J. O'Rourke publish with?
Dr. O'Rourke's most frequent co-authors are Alan D. Campbell, MD (3 shared papers), Kathleen J. Yost, MD (3 shared papers) and Brett T. Brinker, MD (2 shared papers).
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