Doctor profile · Federal record

Dr. Allison Fahey, APNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Waukesha, WI

  • NPI 1659783264
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
721 American Ave, Suite 205
Waukesha, WI 531885071
(262) 928-4695

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
April 9, 2015
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Wisconsin #5763-33

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659783264. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
553
Distinct HCPCS
5
Medicare allowed
$36,108
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 199 92 $102
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 159 68 $28
83036 Hemoglobin a1c level 108 71 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 69 58 $144
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 18 18 $26

In context: peer comparison

Among 5 peers in this city , average services per provider: 77. This provider delivers 7.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,642
Patients
362
Total drug cost
$1,347,035
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 269 47 $328,273
Jardiance (Empagliflozin) Brand 196 38 $194,873
Metformin Hcl Er (Metformin Hcl) Brand 196 48 $4,060
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 172 49 $128,965
Tresiba Flextouch U-200 (Insulin Degludec) Brand 115 23 $119,153
Toujeo Max Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 111 19 $113,466
Novolog Flexpen (Insulin Aspart) Brand 95 23 $135,042
Trulicity (Dulaglutide) Brand 86 16 $131,166
Humalog Kwikpen U-100 (Insulin Lispro) Brand 85 27 $116,929
Glipizide Er (Glipizide) Brand 73 15 $1,163

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allison Fahey's medical specialty?
Dr. Allison Fahey practices Adult Health Nurse Practitioner in Waukesha, WI.
Where does Dr. Allison Fahey practice?
Dr. Allison Fahey practices at 721 American Ave, Waukesha, WI 531885071. Office phone: 2629284695.
What is Dr. Allison Fahey's NPI?
Dr. Allison Fahey's National Provider Identifier (NPI) is 1659783264, issued by NPPES.
Does Dr. Allison Fahey accept Medicare assignment?
Yes. Dr. Allison Fahey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allison Fahey commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.