Doctor profile · Federal record

Dr. Nancy Asencio, APNP

Nurse Practitioner · Nurse Practitioner · Lake Geneva, WI

  • NPI 1962410530
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
146 E Geneva Sq
Lake Geneva, WI 53147
(262) 249-5000
fax (262) 249-7142
Mailing address
3301 W Forest Home Ave
Milwaukee, WI 532152843

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 10, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Wisconsin #134897-030 · Wisconsin #1853-033
Medicaid
WI #43938100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962410530. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,618
Distinct HCPCS
10
Medicare allowed
$71,241
HCPCS Description Services Patients Avg allowed
93793 Anticoagulant management of patient taking warfarin 1,637 133 $9
85610 Blood test, clotting time 1,440 127 $4
99214 Established patient office or other outpatient visit, 30-39 minutes 151 103 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 144 117 $73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 65 65 $104
99212 Established patient office or other outpatient visit, 10-19 minutes 40 37 $46
G0008 Administration of influenza virus vaccine 29 29 $29
90662 Influenza vaccine split virus, preservative free 26 26 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 23 22 $146
99495 Transitional care management services for problem of at least moderate complexity 14 14 $155

In context: peer comparison

Among 6 peers in this city , average services per provider: 127. This provider delivers 28× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,474
Patients
414
Total drug cost
$20,013
Drug Type Claims Patients Total cost
Warfarin Sodium Generic 316 103 $4,207
Atorvastatin Calcium Generic 199 55 $2,270
Levothyroxine Sodium Generic 174 39 $2,185
Losartan Potassium Generic 103 29 $1,120
Amlodipine Besylate Generic 83 28 $424
Omeprazole Generic 78 26 $1,538
Pantoprazole Sodium Generic 78 15 $947
Lisinopril Generic 77 20 $614
Gabapentin Generic 76 22 $2,050
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 64 23 $1,756

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Asencio's medical specialty?
Dr. Nancy Asencio practices Nurse Practitioner in Lake Geneva, WI.
Where does Dr. Nancy Asencio practice?
Dr. Nancy Asencio practices at 146 E Geneva Sq, Lake Geneva, WI 53147. Office phone: 2622495000.
What is Dr. Nancy Asencio's NPI?
Dr. Nancy Asencio's National Provider Identifier (NPI) is 1962410530, issued by NPPES.
Does Dr. Nancy Asencio accept Medicare assignment?
Yes. Dr. Nancy Asencio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Asencio commonly perform?
Top Medicare-reported procedures in 2023: Anticoagulant management of patient taking warfarin (HCPCS 93793); Blood test, clotting time (HCPCS 85610); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.