Doctor profile · Federal record
Dr. James Leenstra, M.D.
Radiation Oncology Physician (CMS: Radiation Oncology) · Internal Medicine Physician · Internal Medicine Physician · Rochester, MN
- NPI 1174593982
- Accepts Medicare
- 24 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511 - Additional location
-
1400 Bellinger St
Eau Claire, WI 547035222
(715) 838-5222 - Additional location
-
700 West Ave S
La Crosse, WI 546014783
(608) 785-0940
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 29, 2021
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 2085R0001X — NUCC code
- State licenses (2)
- Minnesota #45776 · Wisconsin #54234
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174593982. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,222
Distinct HCPCS
10
Medicare allowed
$493,130
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G6002 |
Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy | 677 | 95 | $28 | |
G6015 |
Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 615 | 70 | $372 | |
77300 |
Calculation of radiation therapy dose | 186 | 52 | $67 | |
77336 |
Continuing radiation therapy consultation per week | 146 | 59 | $87 | |
77334 |
Design and construction of complex radiation treatment device | 136 | 45 | $127 | |
77427 |
Radiation treatment management, 5 treatment sessions | 128 | 45 | $189 | |
G6012 |
Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev | 109 | 32 | $243 | |
77373 |
Cranial lesion surgery using radiation over multiple sessions | 50 | 18 | $1,035 | |
77280 |
Obtaining data needed to develop the optimal radiation treatment, 1 treatment area | 46 | 41 | $278 | |
77263 |
Complex radiation therapy planning | 40 | 37 | $166 |
In context: peer comparison
Among 31 peers in this city , average services per provider: 108. This provider delivers 21× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
30
Patients
17
Total drug cost
$437
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 30 | 17 | $437 |
Hospital affiliations
Frequently asked questions
What is Dr. James Leenstra's medical specialty?
Dr. James Leenstra practices Radiation Oncology Physician in Rochester, MN.
Where does Dr. James Leenstra practice?
Dr. James Leenstra practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. James Leenstra's NPI?
Dr. James Leenstra's National Provider Identifier (NPI) is 1174593982, issued by NPPES.
Does Dr. James Leenstra accept Medicare assignment?
Yes. Dr. James Leenstra accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Leenstra commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.