Doctor profile · Federal record

Dr. Martin Grune

Urology Physician · Duluth, MN

  • NPI 1760411565
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
400 E 3Rd St
Duluth, MN 558051951
(218) 786-8364

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 10, 2011
Specialty taxonomy
208800000X — NUCC code
State license (1)
Minnesota #39996
Medicaid (2)
WI #32329100 · MN #116723500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760411565. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
197
Distinct HCPCS
10
Medicare allowed
$19,336
HCPCS Description Services Patients Avg allowed
52000 Diagnostic exam of bladder and urethra using an endoscope 40 36 $73
99213 Established patient office or other outpatient visit, 20-29 minutes 36 35 $63
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 20 18 $93
52356 Crushing of stone of ureter with insertion of stent using an endoscope 16 14 $401
51741 Electronic assessment of bladder emptying 13 12 $7
55700 Biopsy of prostate gland 12 12 $121
76942 Ultrasonic guidance for needle placement 12 12 $29
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 11 11 $141
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $34

In context: peer comparison

Among 6 peers in Duluth Urology Physician, average services per provider: 29. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
658
Patients
211
Total drug cost
$31,268
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 261 77 $5,015
Finasteride Generic 90 20 $1,688
Oxycodone Hcl Generic 46 46 $120
Oxybutynin Chloride Generic 38 15 $857
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 32 26 $122
Tolterodine Tartrate ER (Tolterodine Tartrate) Brand 31 0 $3,503
Oxybutynin Chloride ER (Oxybutynin Chloride) Brand 29 13 $1,330
Myrbetriq (Mirabegron) Brand 28 0 $13,306
Trospium Chloride Generic 28 0 $2,097
Testosterone Cypionate Generic 23 0 $1,011

Frequently asked questions

Auto-generated from federal data
What is Dr. Martin Grune's medical specialty?
Dr. Martin Grune practices Urology Physician in Duluth, MN.
Where does Dr. Martin Grune practice?
Dr. Martin Grune practices at 400 E 3Rd St, Duluth, MN 558051951. Office phone: 2187868364.
What is Dr. Martin Grune's NPI?
Dr. Martin Grune's National Provider Identifier (NPI) is 1760411565, issued by NPPES.
What procedures does Dr. Martin Grune commonly perform?
Top Medicare-reported procedures in 2023: Diagnostic exam of bladder and urethra using an endoscope (HCPCS 52000); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.