Doctor profile · Federal record

Dr. Katherine Gralinski, APNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Milwaukee, WI

  • NPI 1144866765
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9200 W Wisconsin Ave
Milwaukee, WI 532263522
(414) 805-3000

Credentials & registration

NPPES · NUCC
NPI registered
November 2019 — 7 yrs on file
Profile last updated
June 18, 2020
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Wisconsin #9630-33
Medicaid
WI #1144866765

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144866765. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
411
Distinct HCPCS
3
Medicare allowed
$26,225
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 298 88 $63
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 68 22 $39
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 45 44 $104

In context: peer comparison

Among 82 peers in this city , average services per provider: 57. This provider delivers 7.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
44
Patients
42
Total drug cost
$13,805
Drug Type Claims Patients Total cost
Ultra-Fine Nano Pen Needle (Pen Needle, Diabetic) Brand 17 16 $1,352
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 14 14 $1,168
Novolog Flexpen (Insulin Aspart) Brand 13 12 $11,285

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Gralinski's medical specialty?
Dr. Katherine Gralinski practices Family Nurse Practitioner in Milwaukee, WI.
Where does Dr. Katherine Gralinski practice?
Dr. Katherine Gralinski practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148053000.
What is Dr. Katherine Gralinski's NPI?
Dr. Katherine Gralinski's National Provider Identifier (NPI) is 1144866765, issued by NPPES.
Does Dr. Katherine Gralinski accept Medicare assignment?
Yes. Dr. Katherine Gralinski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Gralinski commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.