Doctor profile · Federal record

Dr. Olivia Cassiday

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

  • NPI 1457920407
  • Accepts Medicare
  • MIPS 80.5 / 100 · 2023
  • 5 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) 805-6550
fax (414) 805-6565
Mailing address
8465 S Woodvale Dr
Oak Creek, WI 531543475

Credentials & registration

NPPES · NUCC
NPI registered
June 2021 — 5 yrs on file
Profile last updated
March 3, 2022
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Wisconsin #11098 · Wisconsin #242572

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457920407. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
168
Distinct HCPCS
3
Medicare allowed
$16,077
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 96 71 $114
99214 Established patient office or other outpatient visit, 30-39 minutes 53 38 $77
99213 Established patient office or other outpatient visit, 20-29 minutes 19 16 $53

In context: peer comparison

Among 82 peers in Milwaukee Family Nurse Practitioner, average services per provider: 57. This provider delivers 2.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
964
Patients
256
Total drug cost
$748,897
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 237 49 $290,789
Metformin Hcl ER (Metformin Hcl) Brand 118 44 $1,983
Mounjaro (Tirzepatide) Brand 105 26 $124,441
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 79 34 $50,034
Nano 2Nd Gen Pen Needle (Pen Needle, Diabetic) Brand 67 30 $6,705
Trulicity (Dulaglutide) Brand 58 12 $80,504
Humulin 70/30 Kwikpen (Insulin Nph Hum/Reg Insulin Hm) Brand 49 16 $55,784
Insulin Lispro Kwikpen U-100 (Insulin Lispro) Brand 41 17 $10,725
Novolog Flexpen (Insulin Aspart) Brand 37 14 $37,619
Jardiance (Empagliflozin) Brand 36 14 $44,881

Frequently asked questions

Auto-generated from federal data
What is Dr. Olivia Cassiday's medical specialty?
Dr. Olivia Cassiday practices Family Nurse Practitioner in Milwaukee, WI.
Where does Dr. Olivia Cassiday practice?
Dr. Olivia Cassiday practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148056550.
What is Dr. Olivia Cassiday's NPI?
Dr. Olivia Cassiday's National Provider Identifier (NPI) is 1457920407, issued by NPPES.
Does Dr. Olivia Cassiday accept Medicare assignment?
Yes. Dr. Olivia Cassiday accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Olivia Cassiday commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.