Doctor profile · Federal record

Dr. Katherine Grochowski, NP

Nurse Practitioner · Milwaukee, WI

  • NPI 1821049644
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Children's Hospital of Wisconsin, 9000 West Wisconsin Avenue
Milwaukee, WI 53226
(414) 805-3666
Mailing address
9000 W Wisconsin Ave, Children's Hospital of Wisconsin
Milwaukee, WI 532263518

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Wisconsin #145657
Medicaid
WI #41263600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821049644. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
2
Medicare allowed
$3,543
HCPCS Description Services Patients Avg allowed
G0008 Administration of influenza virus vaccine 36 36 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 33 33 $76

In context: peer comparison

Among 147 peers in Milwaukee Nurse Practitioner, average services per provider: 61. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Grochowski's medical specialty?
Dr. Katherine Grochowski practices Nurse Practitioner in Milwaukee, WI.
Where does Dr. Katherine Grochowski practice?
Dr. Katherine Grochowski practices at Children's Hospital of Wisconsin, Milwaukee, WI 53226. Office phone: 4148053666.
What is Dr. Katherine Grochowski's NPI?
Dr. Katherine Grochowski's National Provider Identifier (NPI) is 1821049644, issued by NPPES.
What procedures does Dr. Katherine Grochowski commonly perform?
Top Medicare-reported procedures in 2023: Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage (HCPCS 90694). Source: CMS Medicare Physician & Other Practitioners file.