Doctor profile · Federal record

Dr. Vannhu Nguyen, M.D.

Urology Physician (CMS: Urology) · Green Bay, WI

  • NPI 1235399536
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2845 Greenbrier RD, Ste 240
Green Bay, WI 543116519
(920) 288-8280
fax (920) 288-8285
Mailing address
164 N Broadway
Green Bay, WI 543032728

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
September 1, 2022
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208800000X — NUCC code
State license (1)
Wisconsin #57464
Medicaid
WI #100024381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1235399536. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
740
Distinct HCPCS
10
Medicare allowed
$69,755
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 158 124 $120
81002 Urinalysis, manual test 144 116 $3
99213 Established patient office or other outpatient visit, 20-29 minutes 137 125 $85
51798 Ultrasound measurement of bladder capacity after voiding 88 73 $10
52000 Diagnostic exam of bladder and urethra using an endoscope 60 49 $231
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $155
52332 Insertion of stent in ureter using an endoscope 18 14 $128
52356 Crushing of stone of ureter with insertion of stent using an endoscope 16 13 $372
51700 Simple bladder irrigation and/or instillation 14 11 $73
52310 Simple removal of foreign body, stone, or stent in urethra or bladder using an endoscope 14 13 $284

In context: peer comparison

Among 6 peers in this city , average services per provider: 199. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,477
Patients
543
Total drug cost
$177,553
Drug Type Claims Patients Total cost
Finasteride Generic 369 111 $5,720
Tamsulosin Hcl Generic 327 104 $6,555
Myrbetriq (Mirabegron) Brand 147 42 $128,218
Oxybutynin Chloride Er (Oxybutynin Chloride) Brand 136 50 $3,857
Methenamine Hippurate Generic 107 30 $14,635
Oxybutynin Chloride Generic 76 30 $1,311
Potassium Citrate Er (Potassium Citrate) Brand 55 20 $5,819
Solifenacin Succinate Generic 50 14 $4,250
Estradiol Generic 44 28 $5,123
Cephalexin Generic 41 34 $145

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Vannhu Nguyen's medical specialty?
Dr. Vannhu Nguyen practices Urology Physician in Green Bay, WI.
Where does Dr. Vannhu Nguyen practice?
Dr. Vannhu Nguyen practices at 2845 Greenbrier RD, Green Bay, WI 543116519. Office phone: 9202888280.
What is Dr. Vannhu Nguyen's NPI?
Dr. Vannhu Nguyen's National Provider Identifier (NPI) is 1235399536, issued by NPPES.
Does Dr. Vannhu Nguyen accept Medicare assignment?
Yes. Dr. Vannhu Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Vannhu Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Urinalysis, manual test (HCPCS 81002); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.