Physician Profile
Marcus A Crosby, M.D.
Unclaimed ProfileAbout 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 internal medicine and student in an organized health care education program. Medicare claims data shows Marcus provided 2,021 services to 728 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
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
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
2,021 services · 728 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
597 |
| Calculation of radiation therapy dose | Imaging | 77300 |
210 |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
140 |
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
140 |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
107 |
| Complex radiation therapy planning | Imaging | 77263 |
61 |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
54 |
| High precision radiation therapy planning | Imaging | 77301 |
50 |
| Calculation of radiation therapy dose | Imaging | 77300 |
48 |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
43 |
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 oncology specialists 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 Dr. Crosby?
Dr. Crosby is a radiation oncology in La Crosse, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “RADIATION ONCOLOGY”.
NPI registry
What is Dr. Crosby's address?
Dr. 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 Dr. Crosby?
The number on file is (608) 782-7300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Crosby?
Dr. 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 Dr. Crosby train?
Dr. Crosby attended Medical College of Wisconsin, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Crosby have?
Dr. 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 Dr. Crosby perform?
According to Medicare billing data, Dr. 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 Dr. Crosby's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Crosby. 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.