Are you Ciara C. O'Sullivan, M.D? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Ciara C. O'Sullivan, M.D
- Rochester location main office
200 1St St Sw, Rochester, MN 55905 - Washington location
555 Massachusetts Ave NW, Apartment 619, Washington, DC 20001
About Dr. O'sullivan
Based in Rochester, MN, Ciara C. O'Sullivan, M.D is listed in the NPI registry under medical oncology. Medicare claims data shows Ciara provided 15,492 services to 679 patients. The services billed most often include injection, fosaprepitant, 1 mg, injection, daratumumab, 10 mg and hyaluronidase-fihj, and injection, pembrolizumab, 1 mg. NPI 1427495357 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (507) 284-2511
- Email not available
Practice Locations
200 1ST ST SW
Rochester, MN 55905
555 Massachusetts Ave NW Apartment 619
Washington, DC 20001
Conditions Commonly Evaluated or Treated
Within Medical Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Abdominal cancer
Blood cancer
Blood disorders
Cancer complications
Chest cancer
Complications
Digestive cancer
Digestive cancers
Endocrine cancer
Endocrine cancers
Eye cancer
General oncology
Genetic risk
Gynecologic cancer
Gynecologic cancers
Head and neck
Head and neck cancer
Metastatic cancer
Metastatic disease
Neurologic cancers
Sarcomas
Skin cancer
Symptom evaluation
Thoracic cancers
Treatment side effects
Urologic cancer
Urologic cancers
Procedures & services
Most searched procedures
Cancer treatment care
Complication management
Consultations
- Cancer survivorship care
- Integrative oncology consultation
- Post-cancer surveillance scan review
- Pre-Surgery Chemotherapy Consultation
- Preventative Chemotherapy Consultation
- Radiopharmaceutical therapy consultation
- Second Opinion For Cancer
- Stem cell transplant consultation
- Tumor Board Case Review
Diagnostic testing
Diagnostics
- Bone Marrow Biopsy
- Cancer Genetic Testing
- Pathology second opinion for cancer
- Tumor Biomarker Testing
Infusions
- Bone Strengthening Infusion
- Iron Infusion
- IV hydration for cancer patients
- Neurologic infusion treatment
Injections
Medication management
Patient education
Port and line care
Procedures
Specialized treatments
- Bladder instillation therapy
- Heated Chemotherapy Consultation
- Hepatic Artery Pump Chemotherapy Consultation
Specialty treatments
- Bone Strengthening Injections For Cancer
- CAR-T Therapy
- Chemo allergy desensitization
- Clinical Trial Screening
- Hormone Therapy For Cancer
- Spinal chemo injection
Supportive care
- Advance Care Planning For Cancer
- Cancer nutrition counseling
- Cancer pain management
- Cancer Rehabilitation Evaluation
- Cancer weight loss management
- Chemo brain treatment
- Chemo nausea treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hospice care consultation
- Lymphedema evaluation
- Palliative cancer care
Treatment side effects
Vascular access
Procedures Most Often Billed to Medicare
15,492 services · 679 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of additional new drug or substance into vein | Treatment | 96375 |
157 | As often as other peers in Medical Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
107 | Less often than most peers in Medical Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
52 | As often as other peers in Medical Oncology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
49 | Less often than most peers in Medical Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
32 | Less often than most peers in Medical Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
28 | Less often than most peers in Medical Oncology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
20 | Less often than most peers in Medical Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
18 | Less often than most peers in Medical Oncology |
| Administration of additional new drug or substance into vein using push technique | Treatment | 96411 |
15 | Less often than most peers in Medical Oncology |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
3,450 | Less often than most peers in Medical Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other oncologists in Rochester 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of additional new drug or substance into vein 8
Providers in MN who bill this service to Medicare most often.
Common questions
What kind of doctor is Ciara C. O'Sullivan?
Ciara C. O'Sullivan is an oncologist in Rochester, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
What is Ciara C. O'Sullivan's address?
Ciara C. O'Sullivan is listed at 200 1St St Sw, Rochester, MN 55905. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ciara C. O'Sullivan?
The number on file is (507) 284-2511. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ciara C. O'Sullivan?
Ciara C. O'Sullivan's National Provider Identifier is 1427495357. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Ciara C. O'Sullivan train?
Ciara C. O'Sullivan attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ciara C. O'Sullivan have?
Ciara C. O'Sullivan has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What procedures does Ciara C. O'Sullivan perform?
According to Medicare billing data, Ciara C. O'Sullivan provides treatments such as injection of additional new drug or substance into vein and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ciara C. O'Sullivan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ciara C. O'Sullivan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.