Timothy J. O'Rourke, M.D.
Hematology & Oncology Physician · Grand Rapids, MI
Timothy J. O'Rourke, M.D. is a hematology & oncology physician with a practice address in Grand Rapids, Michigan, and NPI 1215938303, issued on Aug 10, 2005. Check the license (Michigan 4301067043, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Timothy J. O'Rourke
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 4301067043 MI
Self-reported in NPPES; status is on the state search - Practice location
- 145 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 954-9800
- Enumerated
- Aug 10, 2005
- Record last updated
- Mar 13, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (616) 954-2116
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 340 in Michigan → Look up another NPI →
Also registered at 145 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Syed Muneer Abidi, MDHematology (Internal Medicine) Physician1922045525
- Amy Amash, M.S., C.G.C.Genetic Counselor (M.S.)1629001268
- Murwarid Assifi, MDSurgical Oncology Physician1548416563
- Lisa Berger, P.A.Physician Assistant1497729172
- Jamie Bray, PA-CMedical Physician Assistant1609964691
- Kristin Brown, CNSOncology Registered Nurse1033923149
Verify Timothy J. O'Rourke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301067043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 89.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $21.54
1 payment: food and beverage; the largest payer was Becton, Dickinson and Company. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Timothy J. O'Rourke among 340 hematology & oncology physician records in Michigan
Timothy J. O'Rourke, M.D. is one of 340 hematology & oncology physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2020 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Michigan
There are 340 hematology & oncology physician records in Michigan.
All 340 in Michigan → Every provider in Grand Rapids → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Mohammad Alhyari, MDGrand Rapids, MI 495031346554912
- Brett Brinker, MDGrand Rapids, MI 495031750347290
- Sreenivasa Chandana, MDGrand Rapids, MI 495031972705838
- Stephanie Dublis, D.O.Grand Rapids, MI 495031346443769
- Thomas Gribbin, M.D.Grand Rapids, MI 495031639179286
- Colin Hardin, M.D.Grand Rapids, MI 495031639459860
- Daniel Isaac, D.O.Grand Rapids, MI 495031326486416
- Erin Pettijohn, M.D.Grand Rapids, MI 495031003101429
Common questions
What is Timothy J. O'Rourke, M.D.'s NPI number?
Timothy J. O'Rourke, M.D.'s National Provider Identifier (NPI) is 1215938303, issued on Aug 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy J. O'Rourke, M.D. located?
The NPPES record lists a practice address at 145 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 954-9800. Providers update this record themselves, so call before visiting.
How can I verify Timothy J. O'Rourke, M.D.'s license?
NPPES lists Michigan license number 4301067043, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Timothy J. O'Rourke, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.