Doctor profile · Federal record

Dr. Brenda Nishizawa, DO

Internal Medicine Physician (CMS: Internal Medicine) · Madison, WI

  • NPI 1942520952
  • Accepts Medicare
  • MIPS 80.2 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5249 E Terrace Dr
Madison, WI 537188339
(608) 222-9777
fax (608) 441-3985

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
August 22, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Wisconsin #71525-21

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942520952. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,492
Distinct HCPCS
10
Medicare allowed
$66,019
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 277 141 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 131 101 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 118 86 $122
83036 Hemoglobin a1c level 108 70 $10
80053 Blood test, comprehensive group of blood chemicals 90 87 $10
80061 Blood test, lipids (cholesterol and triglycerides) 78 76 $13
84443 Blood test, thyroid stimulating hormone (tsh) 67 43 $16
80048 Blood test, basic group of blood chemicals (calcium, total) 59 46 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 57 45 $8
G0008 Administration of influenza virus vaccine 57 55 $22

In context: peer comparison

Among 76 peers in Madison Internal Medicine Physician, average services per provider: 80. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,212
Patients
294
Total drug cost
$90,685
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 198 54 $3,595
Levothyroxine Sodium Generic 156 40 $2,181
Lisinopril Generic 105 30 $1,152
Metoprolol Succinate Generic 85 20 $1,845
Amlodipine Besylate Generic 83 25 $856
Losartan Potassium Generic 70 25 $931
Simvastatin Generic 70 18 $973
Ozempic (Semaglutide) Brand 60 0 $71,475
Gabapentin Generic 59 15 $1,134
Pantoprazole Sodium Generic 59 15 $1,220

Frequently asked questions

Auto-generated from federal data
What is Dr. Brenda Nishizawa's medical specialty?
Dr. Brenda Nishizawa practices Internal Medicine Physician in Madison, WI.
Where does Dr. Brenda Nishizawa practice?
Dr. Brenda Nishizawa practices at 5249 E Terrace Dr, Madison, WI 537188339. Office phone: 6082229777.
What is Dr. Brenda Nishizawa's NPI?
Dr. Brenda Nishizawa's National Provider Identifier (NPI) is 1942520952, issued by NPPES.
Does Dr. Brenda Nishizawa accept Medicare assignment?
Yes. Dr. Brenda Nishizawa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brenda Nishizawa commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); 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.