Doctor profile · Federal record

Dr. Barbara Grzaba-Gracz, MD

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

  • NPI 1366557316
  • 39 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2801 W Kinnickinnic River Pkwy, #135
Milwaukee, WI 532153693
(414) 385-8600
Mailing address
Po Box 735044
Chicago, IL 606735044

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 29, 2024
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Wisconsin #40549 · Illinois #036-108135
Medicaid
WI #32582100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366557316. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,224
Distinct HCPCS
10
Medicare allowed
$122,182
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 619 319 $115
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 236 236 $115
G0008 Administration of influenza virus vaccine 74 72 $29
90662 Influenza vaccine split virus, preservative free 66 64 $72
93793 Anticoagulant management of patient taking warfarin 48 12 $11
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 46 46 $13
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 46 34 $48
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 20 20 $282
G0009 Administration of pneumococcal vaccine 20 20 $29
99215 Established patient office or other outpatient visit, 40-54 minutes 18 18 $154

In context: peer comparison

Among 96 peers in Milwaukee Internal Medicine Physician, average services per provider: 115. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
7,439
Patients
1,921
Total drug cost
$109,407
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,014 266 $12,517
Levothyroxine Sodium Generic 834 185 $13,553
Amlodipine Besylate Generic 719 188 $5,185
Losartan Potassium Generic 688 186 $10,653
Pantoprazole Sodium Generic 593 138 $10,863
Omeprazole Generic 567 155 $9,485
Gabapentin Generic 522 124 $10,454
Metoprolol Succinate Generic 365 93 $6,951
Rosuvastatin Calcium Generic 348 90 $6,900
Lisinopril Generic 346 101 $2,960

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Barbara Grzaba-Gracz's medical specialty?
Dr. Barbara Grzaba-Gracz practices Internal Medicine Physician in Milwaukee, WI.
Where does Dr. Barbara Grzaba-Gracz practice?
Dr. Barbara Grzaba-Gracz practices at 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 532153693. Office phone: 4143858600.
What is Dr. Barbara Grzaba-Gracz's NPI?
Dr. Barbara Grzaba-Gracz's National Provider Identifier (NPI) is 1366557316, issued by NPPES.
Does Dr. Barbara Grzaba-Gracz accept Medicare assignment?
Dr. Barbara Grzaba-Gracz does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Barbara Grzaba-Gracz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.