Doctor profile · Federal record

Dr. Brenda Grass, MD

Adolescent Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Fond du LAC, WI

  • NPI 1356332753
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
420 E Division St
Fond du LAC, WI 549354560
(920) 926-8615

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
December 10, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RA0000X — NUCC code
State license (1)
Wisconsin #43233
Medicaid
WI #34090400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356332753. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
308
Distinct HCPCS
7
Medicare allowed
$28,444
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 69 69 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 64 48 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 61 42 $121
G0008 Administration of influenza virus vaccine 41 40 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 37 36 $76
90480 Admn sarscov2 vacc 1 dose 18 18 $39
91320 Sarscv2 vac 30mcg trs-suc im 18 18 $128

In context: peer comparison

Among 1 peers in this city , average services per provider: 44. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,646
Patients
436
Total drug cost
$26,414
Drug Type Claims Patients Total cost
Simvastatin Generic 279 65 $3,630
Levothyroxine Sodium Generic 179 43 $4,250
Lisinopril Generic 174 43 $1,979
Amlodipine Besylate Generic 129 34 $1,464
Rosuvastatin Calcium Generic 116 37 $3,676
Omeprazole Generic 112 29 $1,685
Metformin Hcl Generic 110 26 $921
Metoprolol Succinate Generic 102 26 $2,558
Atorvastatin Calcium Generic 100 27 $1,590
Hydrochlorothiazide Generic 68 19 $604

Frequently asked questions

Auto-generated from federal data
What is Dr. Brenda Grass's medical specialty?
Dr. Brenda Grass practices Adolescent Medicine (Internal Medicine) Physician in Fond du LAC, WI.
Where does Dr. Brenda Grass practice?
Dr. Brenda Grass practices at 420 E Division St, Fond du LAC, WI 549354560. Office phone: 9209268615.
What is Dr. Brenda Grass's NPI?
Dr. Brenda Grass's National Provider Identifier (NPI) is 1356332753, issued by NPPES.
Does Dr. Brenda Grass accept Medicare assignment?
Yes. Dr. Brenda Grass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenda Grass commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.