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Edit this profileAt a glance
- 1836 South Ave, La Crosse, WI 54601
About Dr. Crosby
Marcus A. Crosby, M.D. is a healthcare provider in La Crosse, WI specializing in radiation oncology. Marcus trained at Medical College of Wisconsin, graduating in 2009. Marcus is also listed as specializing in student in an organized health care education program and internal medicine. Medicare claims data shows Marcus provided 2,021 services to 728 patients. The services billed most often include ct guidance for insertion of radiation therapy fields, calculation of radiation therapy dose, and radiation treatment management, 5 treatment sessions. This provider record is associated with NPI 1689803579.
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
- (608) 782-7300
- Email not available
Practice Locations
1836 SOUTH AVE
La Crosse, WI 54601
Conditions Commonly Evaluated or Treated
Within Radiation 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
- Brain tumors
- Breast cancer
- Prostate cancer
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
- Blocked Chest Vein
- Spinal Cord Compression From Tumor
Chest cancer
Endocrine cancer
Eye cancer
Eye conditions
Foot conditions
Gastrointestinal cancer
- Anal cancer
- Bile duct cancer
- Colon cancer
- Esophageal cancer
- Gallbladder cancer
- Liver cancer
- Pancreatic cancer
- Stomach cancer
Gynecologic cancer
- Cervical cancer
- Endometrial cancer
- Ovarian cancer
- Vaginal Cancer
- Vulvar cancer
Head & neck cancer
- Nose and Sinus Cancer
- Parotid gland tumor
Head and neck cancer
Metastatic cancer
- Cancer spread to bones
- Cancer spread to spine
- Severe back pain
Neurologic condition
Orthopedic conditions
- Abnormal Bone Growth After Surgery
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Procedures & services
Most searched procedures
- Brachytherapy
- CyberKnife
- Gamma Knife
- Proton therapy
- Radiation therapy
Advanced radiation
- MRI-Guided Radiation Therapy
Benign treatment
- Keloid scar radiation
Brain radiation
- Whole Brain Radiation
Cancer treatment
- Post-Surgery Radiation Therapy
- Pre-Surgery Radiation Therapy
Central nervous system
- Brain and Spinal Cord Radiation
Consultation
- Cancer radiation second opinion
- Radiation oncology consultation
External radiation
- Electron beam therapy
- Image-guided radiation (IGRT)
- IMRT (Targeted intensity radiation)
- RapidArc / VMAT radiation
- Total body irradiation (TBI)
Eye cancer treatment
- Eye Plaque Radiation Therapy
Follow-up care
- Radiation skin care and follow-up visit
Heart treatments
- Heart Arrhythmia Radiation Therapy
Internal radiation
- High-Dose Rate (HDR) Radiation Implants
Pain and symptom relief
- Palliative radiation for bone pain
Particle therapy
- Heavy Ion Radiation Therapy
Precision radiation
- Adaptive radiation therapy
- Heart-sparing breath hold radiation (DIBH)
- Spine radiosurgery
- Stereotactic body radiation (SBRT)
- Stereotactic radiosurgery (SRS)
- Tattoo-free radiation
Prostate cancer treatment
- Prostate Radioactive Seed Implants
Prostate protection
- SpaceOAR Hydrogel Injection
Radiation therapy
- Radiation Boost
Skin cancer treatment
- Superficial Radiation Therapy (SRT)
Skin lymphoma treatment
- Total Skin Electron Radiation
Specialized radiation
- Heat therapy for cancer (Hyperthermia)
- Intraoperative radiation (IORT)
Targeted isotopes
- Pluvicto infusion
- Radioactive Iodine Treatment
- Xofigo injection
- Y90 radioembolization
Targeted radiation drugs
- Lutathera Infusion
Treatment planning
- 4D CT Motion Scan
- Breathing-synchronized radiation (Respiratory gating)
- CT simulation scan
- Custom radiation mask fitting
- Gold marker placement (Fiducials)
- MRI Simulation Scan
- PET-CT Simulation Scan
- Radiation Therapy Alignment Tattoos
Procedures Most Often Billed to Medicare
2,021 services · 728 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
597 | More often than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
210 | More often than most peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
140 | As often as other peers in Radiation Oncology |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
140 | More often than most peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
107 | More often than most peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
61 | As often as other peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
54 | More often than most peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
50 | More often than most peers in Radiation Oncology |
| Calculation of radiation therapy dose | Imaging | 77300 |
48 | More often than most peers in Radiation Oncology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
43 | Less often than most peers in Radiation 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 radiation oncologists in La Crosse 6
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 2009 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Ct guidance for insertion of radiation therapy fields 7
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Marcus A. Crosby?
Marcus A. Crosby is a radiation oncologist in La Crosse, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
What is Marcus A. Crosby's address?
Marcus A. Crosby is listed at 1836 South Ave, La Crosse, WI 54601. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marcus A. Crosby?
The number on file is (608) 782-7300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Marcus A. Crosby?
Marcus A. Crosby's National Provider Identifier is 1689803579. 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 Marcus A. Crosby train?
Marcus A. Crosby attended Medical College of Wisconsin, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marcus A. Crosby have?
Marcus A. Crosby has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marcus A. Crosby perform?
According to Medicare billing data, Marcus A. Crosby performs imaging including ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marcus A. Crosby's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marcus A. Crosby. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.