Dr. Michael S. O\'Reilly
- Gender: Male
- Experience: 32 years
- Graduated from: Tufts University School Of Medicine
- Graduation year: 1989
- Sole propriator: No
- NPI: 1891869335
Dr. Michael S. O\'Reilly M.D.
Radiation Oncologist
He is located at 1515 Holcombe Boulevard in Houston, TX 77030. Can help patients with the following: Brain Cancer, Cancer, Cervical Cancer, Lung Cancer, Sarcoma, Testicular Cancer. His National Provider Identifier (NPI) number is 1891869335. Appointment can be made via the phone number (713) 792-6161.
Conditions treated
Michael S. O'Reilly, being an radiation oncologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Michael S. O\'Reilly.
- Acoustic Neuroma
- Anal Cancer
- Bladder Cancer
- Bone Cancer
- Brain Cancer
- Breast Cancer
- Cancer
- Cervical Cancer
- Colon Cancer
- Cushing's Syndrome
- Hodgkin's Disease
- Leukemia
- Liver Cancer
- Lung Cancer
- MRI
- Penis Cancer
- Prostate Cancer
- Salivary Gland Cancer
- Sarcoma
- Testicular Cancer
- Vaginal Cancer
Procedures Performed by Dr. Michael S. O\'Reilly
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Michael S. O\'Reilly as in-network for the following 2026 plans.
Health plans
Harbor Health
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Harbor Health G0 $0 Deductible $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health G1S $30 PCP $30 Mental Health Office Visit $30 Express Care | HMO · Gold | Preferred | Accepting new patients |
| Harbor Health S1 $0 PCP $0 Mental Health Office Visit $0 Express Care | HMO · Silver | Preferred | Accepting new patients |
| Harbor Health S1S $40 PCP $40 Mental Health Office Visit $40 Express Care | HMO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Michael S. O\'Reilly is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Michael S. O\'Reilly is enrolled to bill Medicare as a Practitioner - Radiation Oncology .
Bills through: Physicians Referral Service
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Studies
TUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1989Additional Specialities
- Radiologist
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
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- Address: 1515 Holcombe Boulevard Houston, 77030, TX
- Gender: Female
- Address: 1515 Holcombe Boulevard Houston, 77030, TX
Questions & Answers
What conditions does Michael S. O'Reilly treat?
Michael S. O'Reilly provides treatment for Brain Cancer, Cancer, Cervical Cancer, Lung Cancer, Sarcoma, Testicular Cancer. For the full list see this list.
Does Michael S. O'Reilly accept patients with Harbor Health?
Yes, Michael S. O'Reilly is listed in-network for Harbor Health through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Where can you meet with Michael S. O'Reilly?
Michael S. O'Reilly's office is located at 1515 Holcombe Boulevard in Houston, TX 77030.