Doctor profile · Federal record
Dr. Nathan Grunewald
Urology Physician (CMS: Urology) · Prairie du Sac, WI
- NPI 1396044509
- Accepts Medicare
- 15 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
260 26Th St
Prairie du Sac, WI 535782203
(608) 643-3311
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- March 24, 2021
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- Wisconsin #57602-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396044509. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
476
Distinct HCPCS
8
Medicare allowed
$27,234
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 150 | 119 | $62 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 78 | 70 | $72 | |
51741 |
Electronic assessment of bladder emptying | 77 | 66 | $6 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 61 | 53 | $92 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 39 | 37 | $33 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 30 | 30 | $77 | |
51702 |
Simple insertion of temporary bladder tube | 25 | 12 | $23 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 16 | 13 | $135 |
In context: peer comparison
Among 1 peers in Prairie du Sac Urology Physician, average services per provider: 59. This provider delivers 8.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
288
Patients
90
Total drug cost
$29,184
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 107 | 36 | $1,676 |
| Finasteride | Generic | 47 | 14 | $672 |
| Oxybutynin Chloride ER (Oxybutynin Chloride) | Brand | 43 | 14 | $1,237 |
| Myrbetriq (Mirabegron) | Brand | 28 | 0 | $21,729 |
| Nitrofurantoin (Nitrofurantoin Macrocrystal) | Brand | 22 | 12 | $1,625 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 15 | 14 | $81 |
| Cephalexin | Generic | 13 | 0 | $105 |
| Testosterone | Generic | 13 | 0 | $2,059 |
Hospital affiliations
Frequently asked questions
What is Dr. Nathan Grunewald's medical specialty?
Dr. Nathan Grunewald practices Urology Physician in Prairie du Sac, WI.
Where does Dr. Nathan Grunewald practice?
Dr. Nathan Grunewald practices at 260 26Th St, Prairie du Sac, WI 535782203. Office phone: 6086433311.
What is Dr. Nathan Grunewald's NPI?
Dr. Nathan Grunewald's National Provider Identifier (NPI) is 1396044509, issued by NPPES.
Does Dr. Nathan Grunewald accept Medicare assignment?
Yes. Dr. Nathan Grunewald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Grunewald commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Diagnostic exam of bladder and urethra using an endoscope (HCPCS 52000); Electronic assessment of bladder emptying (HCPCS 51741). Source: CMS Medicare Physician & Other Practitioners file.