Doctor profile · Federal record

Dr. James Martenson, M.D.

Radiation Oncology Physician · Radiation Oncology Physician · Radiation Oncology Physician · Rochester, MN

  • NPI 1679550958
  • 21 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
February 9, 2024
Specialty taxonomy
2085R0001X — NUCC code
State licenses (3)
Minnesota #27169 · Wisconsin #23272 · Wisconsin #81233
Medicaid
MN #654027900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679550958. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
8
Medicare allowed
$123,640
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 244 108 $31
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 208 87 $365
77300 Calculation of radiation therapy dose 93 29 $66
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 52 27 $239
77336 Continuing radiation therapy consultation per week 45 41 $85
77427 Radiation treatment management, 5 treatment sessions 43 39 $186
77334 Design and construction of complex radiation treatment device 36 19 $126
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 19 19 $277

In context: peer comparison

Among 31 peers in this city , average services per provider: 108. This provider delivers 6.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. James Martenson's medical specialty?
Dr. James Martenson practices Radiation Oncology Physician in Rochester, MN.
Where does Dr. James Martenson practice?
Dr. James Martenson practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. James Martenson's NPI?
Dr. James Martenson's National Provider Identifier (NPI) is 1679550958, issued by NPPES.
What procedures does Dr. James Martenson 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.