NPPES file of Aug 9, 2026

Nancy S. Asencio, APNP

Nurse Practitioner · Lake Geneva, WI

Nancy S. Asencio, APNP is a nurse practitioner with a practice address in Lake Geneva, Wisconsin, and NPI 1962410530, issued on Aug 3, 2006. Check the license (Wisconsin 134897-030, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962410530
Name
Nancy S. Asencio
Credential
APNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
134897-030 WI
1853-033 WI
Self-reported in NPPES; status is on the state search
Practice location
146 E Geneva SQ, Lake Geneva, WI 53147
Phone
(262) 249-5000
Enumerated
Aug 3, 2006
Record last updated
May 10, 2022
Fax
(262) 249-7142
Medicaid ID
43938100 WI
Medicare enrollment
Enrolled (PECOS I20100130000027); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 146 E Geneva SQ

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zachary Allegretti, MDFamily Medicine Physician1952807554
  2. Austin Bacchus, M.D.Family Medicine Physician1225258171
  3. Ellen Barnstable, MDDermatology Physician1053948562
  4. Justine Benin, D.O.Family Medicine Physician1942541362
  5. Shashi Bhushan, MDInternal Medicine Physician1689774101
  6. Benjamin BilkePhysical Therapy Assistant1609242759

Verify Nancy S. Asencio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 134897-030
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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3.0 times the Medicare Part D claims of the average nurse practitioner in 2024

3,294 Medicare Part D claims for 471 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 48 claims were for opioids.

  1. Nancy Asencio3,294
  2. Specialty average1,109

Most prescribed

  1. Warfarin Sodium578 claims
  2. Atorvastatin Calcium206 claims
  3. Levothyroxine Sodium177 claims
  4. Losartan Potassium115 claims
  5. Lisinopril90 claims
  6. Amlodipine Besylate88 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Nancy S. Asencio among 3,995 nurse practitioner records in Wisconsin

Nancy S. Asencio, APNP is one of 3,995 nurse practitioner records with a practice address in Wisconsin. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 82% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1986 · median 2017 among the 2,701 with a school on file
  • Record last updated2022 · 41% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 nurse practitioner records list a practice address in Lake Geneva

They are 20 of the 366 NPPES records with a practice address in Lake Geneva, and 3,995 nurse practitioner records in Wisconsin.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Erin Bauman, NURSE PRACTITIONERLake Geneva, WI 531471740703263
  2. Christina Clancy, C.N.P.Lake Geneva, WI 531471679017925
  3. Marina DeatherageLake Geneva, WI 531471538706858
  4. Crystal Dillett, NPLake Geneva, WI 531471033593918
  5. Amanda Farrell, APRNLake Geneva, WI 531471124451414
  6. Ellen Follett, NPLake Geneva, WI 531471326683665
  7. Courtney Hlavinka, APNPLake Geneva, WI 531471861685539
  8. Joann Kiemen, NPLake Geneva, WI 531471194918698

Common questions

What is Nancy S. Asencio, APNP's NPI number?

Nancy S. Asencio, APNP's National Provider Identifier (NPI) is 1962410530, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nancy S. Asencio, APNP located?

The NPPES record lists a practice address at 146 E Geneva SQ, Lake Geneva, WI, 53147. Phone: (262) 249-5000. Providers update this record themselves, so call before visiting.

How can I verify Nancy S. Asencio, APNP's license?

NPPES lists Wisconsin license number 134897-030, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Nancy S. Asencio, APNP prescribe under Medicare Part D?

In 2024, Nancy S. Asencio, APNP had 3,294 Medicare Part D claims for 471 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.