Doctor profile · Federal record

Dr. Hayley Demario, NP

Nurse Practitioner · Family Nurse Practitioner · St Francis, WI

  • NPI 1538834510
  • Accepts Medicare
  • 5 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2000 E Layton Ave
St Francis, WI 532356053
(414) 744-6589
fax (414) 294-4516
Additional location
9200 W Loomis RD
Franklin, WI 531328887
(414) 529-9200
Additional location
9555 S 52Nd Ave
Oak Lawn, IL 604533054
(708) 634-0950
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
November 7, 2023
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Wisconsin #11183 · Illinois #209-028180
Medicaid
WI #100177916

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538834510. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
73
Distinct HCPCS
2
Medicare allowed
$6,372
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 42 34 $100
99213 Established patient office or other outpatient visit, 20-29 minutes 31 26 $70

In context: peer comparison

Among 3 peers in St Francis Nurse Practitioner, average services per provider: 30. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
422
Patients
54
Total drug cost
$5,485
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 55 18 $740
Levothyroxine Sodium Generic 52 14 $831
Lisinopril Generic 35 11 $267
Furosemide Generic 33 0 $207
Pantoprazole Sodium Generic 32 0 $459
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 29 0 $587
Metformin Hcl Generic 28 0 $415
Gabapentin Generic 26 0 $534
Amlodipine Besylate Generic 24 11 $191
Glimepiride Generic 23 0 $385

Frequently asked questions

Auto-generated from federal data
What is Dr. Hayley Demario's medical specialty?
Dr. Hayley Demario practices Nurse Practitioner in St Francis, WI.
Where does Dr. Hayley Demario practice?
Dr. Hayley Demario practices at 2000 E Layton Ave, St Francis, WI 532356053. Office phone: 4147446589.
What is Dr. Hayley Demario's NPI?
Dr. Hayley Demario's National Provider Identifier (NPI) is 1538834510, issued by NPPES.
Does Dr. Hayley Demario accept Medicare assignment?
Yes. Dr. Hayley Demario accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hayley Demario commonly perform?
Top Medicare-reported procedures in 2023: 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.