Physician Profile
Mary M. Riwes, D.O.
Unclaimed ProfileAbout Dr. Riwes
Mary M. Riwes, D.O. practices medical oncology in Ann Arbor, MI. Mary is a 2007 graduate of New York College of Osteo Medicine of New York Institute of Technology. According to Medicare claims data, Mary cared for 28 Medicare patients across 115 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes and established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (734) 936-4000
- Email not available
Practice Locations
1500 E MEDICAL CENTER DR
Ann Arbor, MI 48109
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
115 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
62 | As often as other peers in Medical Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
53 | 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 Ann Arbor 8
Same specialty, same city.
Trained at New York College of Osteo Medicine of New York Institute of Technology 5
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2007 at New York College of Osteo Medicine of New York Institute of Technology 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Mary M. Riwes?
Mary M. Riwes is an oncologist in Ann Arbor, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.
NPI registry
What is Mary M. Riwes's address?
Mary M. Riwes is listed at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary M. Riwes?
The number on file is (734) 936-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary M. Riwes's NPI number?
Mary M. Riwes's National Provider Identifier is 1750548434. 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 Mary M. Riwes train?
Mary M. Riwes attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary M. Riwes been practicing?
Mary M. Riwes has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary M. Riwes perform?
According to Medicare billing data, Mary M. Riwes the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary M. Riwes confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary M. Riwes. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.