JAMES L LEENSTRA M.D.
NPI 1174593982
Radiology - Radiation Oncology in Rochester, MN

Active since January 24, 2006PECOS EnrolledAccepts Medicare Assignment
200 1ST ST SW, ROCHESTER, MN 55905(507) 284-2511 Get Directions Write a Review

NPPES record last updated: March 29, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 29, 2021, Aug 18, 2020, Dec 19, 2018 (3 updates tracked since 2018).

About James L Leenstra M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMES L LEENSTRA M.D. (NPI 1174593982) is an individual radiation oncology provider in Rochester, Minnesota, licensed in Minnesota (45776) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Mayo Clinic Hospital Rochester, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1174593982
Entity TypeIndividualMale
Primary Taxonomy2085R0001X
Provider Legal NameJAMES L LEENSTRACredential: M.D.
Location Address200 1ST ST SWRochester, MN 55905-0001
Mailing Address200 1st St SwRochester, MN 55905-0001 · (507) 284-2511
Sole ProprietorNo
Medical School CMSUniversity Of Oklahoma College Of MedicineGraduated 2002
Enumeration DateJanuary 24, 2006
Last NPPES UpdateMarch 29, 20213 updates tracked since enumeration
NPPES CertifiedMarch 29, 2021
NPI 1174593982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
License Licensed in MN · 45776
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
Also ListedInternal MedicineTaxonomy 207R00000X · License 54234 (WI), 45776 (MN)
200 1ST ST SW, Rochester, MN 55905

Secondary Practice Locations 2

Location 1700 West Ave SLA Crosse, WI 54601-4783 · Phone (608) 785-0940
Location 21400 Bellinger StEau Claire, WI 54703-5222 · Phone (715) 838-5222

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

James L Leenstra M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4284649120
PECOS Enrollment IDI20101214000881
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 12

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy G6002
Stereoscopic x-ray guidance is a technique used in radiation therapy. It involves taking multiple X-ray images from different angles to create a 3D picture of the area to be treated. This helps accurately pinpoint the exact location for radiation delivery, ensuring the therapy is as effective as possible.
560 services94 patients
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session G6015
Intensity-modulated radiation therapy (IMRT) is a type of cancer treatment. It uses advanced technology to manipulate photon beams of radiation to conform to the shape of a tumor. IMRT allows for the radiation dose to conform more precisely to the three-dimensional shape of the tumor by modulating—or controlling—the intensity of the radiation beam. This can result in better tumor control and less harm to healthy tissue.
546 services70 patients
Calculation of radiation therapy dose 77300
Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.
200 services53 patients
Continuing radiation therapy consultation per week 77336
Continuing radiation therapy consultation per week involves regular meetings with your healthcare team. These sessions help monitor your progress, manage side effects, and adjust your treatment plan if necessary. It's a key part of ensuring the effectiveness of your radiation therapy.
144 services57 patients
Radiation treatment management, 5 treatment sessions 77427
Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.
125 services45 patients
Design and construction of complex radiation treatment device 77334
The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.
96 services35 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic Hospital Rochester

Acute Care Hospitals · Rochester, MN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number240010
Location1216 Second Street SouthwestRochester, MN 55902 · Olmsted County
Emergency services Birthing friendly

Northfield Hospital

Acute Care Hospitals · Northfield, MN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number240014
Location2000 North AvenueNorthfield, MN 55057 · Rice County
Emergency services Birthing friendly

Mayo Clinic Health System In Red Wing

Acute Care Hospitals · Red Wing, MN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240018
Location701 Hewitt BoulevardRed Wing, MN 55066 · Goodhue County
Emergency services Birthing friendly

Mayo Clinic Health System - Cannon Falls

Critical Access Hospitals · Cannon Falls, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241346
Location32021 County 24 BoulevardCannon Falls, MN 55009 · Goodhue County
Emergency services

Mayo Clinic Health System New Prague

Critical Access Hospitals · New Prague, MN
OwnershipVoluntary non-profit - Private
CMS Certification Number241361
Location301 2nd Street NortheastNew Prague, MN 56071 · Scott County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 55905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$168.28 typical visit price
range $56.00 – $168.28
Typical copayment $42.07 (range $14.00 – $42.07)
Most-billed visit code 99205
Established Patient
$69.74 typical visit price
range $18.32 – $138.04
Typical copayment $17.43 (range $4.58 – $34.51)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
200 1ST ST SW
ROCHESTER, MN 55905
Pathology (Clinical Pathology/Laboratory Medicine)
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Practitioner
200 1ST ST SW
ROCHESTER, MN 55905
Optometrist
200 1ST ST SW
ROCHESTER, MN 55905
Psychologist
200 1ST ST SW
ROCHESTER, MN 55905
Nurse Anesthetist, Certified Registered
200 1ST ST SW
ROCHESTER, MN 55905
Internal Medicine (Endocrinology, Diabetes & Metabolism)
200 1ST ST SW
ROCHESTER, MN 55905

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is James Leenstra's NPI number?

The NPI number for James Leenstra is 1174593982. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is James Leenstra located?

James Leenstra practices at 200 1st St SW, Rochester, MN 55905. The listed phone number is (507) 284-2511.

What is James Leenstra's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is James Leenstra enrolled in Medicare?

Yes. James Leenstra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does James Leenstra accept?

Health plans from Medica list James Leenstra as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is James Leenstra affiliated with any hospitals?

According to CMS data, James Leenstra is affiliated with Mayo Clinic Hospital Rochester, Northfield Hospital, Mayo Clinic Health System In Red Wing, Mayo Clinic Health System - Cannon Falls and Mayo Clinic Health System New Prague.

When was this NPI record last updated?

The NPPES record for James Leenstra was last updated on March 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.