Physician Profile
James L. Leenstra, M.D.
Unclaimed ProfileAbout Dr. Leenstra
James L. Leenstra, M.D. practices radiation oncology in Rochester, MN. James is a 2002 graduate of University of Oklahoma College of Medicine. James is also listed as specializing in internal medicine. According to Medicare claims data, James cared for 548 Medicare patients across 1,931 services. The services billed most often include stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy, intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session, and calculation of radiation therapy dose.
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
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
- (507) 284-2511
- Email not available
Practice Locations
200 1ST ST SW
Rochester, MN 55905
700 West Ave S
La Crosse, WI 54601
1400 Bellinger St
Eau Claire, WI 54703
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
Benign condition
Blood and lymph cancer
Bone cancer
Brain tumors
Cancer emergencies
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
Head & neck cancer
Head and neck cancer
Metastatic cancer
Neurologic condition
Orthopedic conditions
Sarcoma
Skin cancer
Thoracic cancer
Urologic cancer
Vascular conditions
Procedures & services
Most searched procedures
Advanced radiation
Benign treatment
Brain radiation
Cancer treatment
Central nervous system
Consultation
External radiation
- Electron beam therapy
- Image-guided radiation (IGRT)
- IMRT (Targeted intensity radiation)
- RapidArc / VMAT radiation
- Total body irradiation (TBI)
Eye cancer treatment
Follow-up care
Heart treatments
Internal radiation
Pain and symptom relief
Particle 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 protection
Radiation therapy
Skin cancer treatment
Skin lymphoma treatment
Specialized radiation
Targeted isotopes
Targeted radiation drugs
Treatment planning
Procedures Most Often Billed to Medicare
1,931 services · 548 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Calculation of radiation therapy dose | Imaging | 77300 |
200 | As often as other peers in Radiation Oncology |
| Continuing radiation therapy consultation per week | Imaging | 77336 |
144 | As often as other peers in Radiation Oncology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
125 | As often as other peers in Radiation Oncology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
96 | As often as other peers in Radiation Oncology |
| Cranial lesion surgery using radiation over multiple sessions | Imaging | 77373 |
49 | As often as other peers in Radiation Oncology |
| Complex radiation therapy planning | Imaging | 77263 |
49 | As often as other peers in Radiation Oncology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
48 | As often as other peers in Radiation Oncology |
| High precision radiation therapy planning | Imaging | 77301 |
48 | More often than most peers in Radiation Oncology |
| Management of cranial lesion surgery using radiation over multiple sessions | Imaging | 77435 |
15 | |
| Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | Billing code | G6002 |
560 | More 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 Rochester 8
Same specialty, same city.
Trained at University of Oklahoma College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2002 at University of Oklahoma College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Calculation of radiation therapy dose 8
Providers in MN who bill this service to Medicare most often.
Common questions
What does James L. Leenstra specialize in?
James L. Leenstra is a radiation oncologist in Rochester, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Radiation Oncology”.
NPI registry
Where is James L. Leenstra located?
James L. Leenstra 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
What is James L. Leenstra's phone number?
The number on file is (507) 284-2511. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is James L. Leenstra's NPI number?
James L. Leenstra's National Provider Identifier is 1174593982. 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 James L. Leenstra train?
James L. Leenstra attended University of Oklahoma College of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has James L. Leenstra been practicing?
James L. Leenstra has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does James L. Leenstra do most often?
According to Medicare billing data, James L. Leenstra performs imaging including calculation of radiation therapy dose and continuing radiation therapy consultation per week. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has James L. Leenstra confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James L. Leenstra. 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.