Sharon I. Barnhart, APNP
Adult Health Nurse Practitioner · La Crosse, WI
Sharon I. Barnhart, APNP is an adult health nurse practitioner with a practice address in La Crosse, Wisconsin, and NPI 1477647584, issued on Oct 3, 2006. Check the license (Wisconsin 2919, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sharon I. Barnhart
- Credential
- APNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License number
- 2919 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1836 South Ave, La Crosse, WI 54601
- Phone
- (608) 782-7300
- Enumerated
- Oct 3, 2006
- Record last updated
- Apr 19, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061102000277); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 398 in Wisconsin → Look up another NPI →
Also registered at 1836 South Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Aberger, MDGastroenterology Physician1396748711
- Bradley Abicht, DPMPodiatrist1962632166
- Carter Abicht, DOAnesthesiology Physician1932736642
- Grace AbichtCertified Registered Nurse Anesthetist1003651555
- Paul Abicht, CRNACertified Registered Nurse Anesthetist1528061843
- Mateen Abidi, M.DCardiovascular Disease Physician1730333980
Verify Sharon I. Barnhart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2919Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
3,163 Medicare Part D claims for 563 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 88 claims were for opioids.
Most prescribed
- Methotrexate787 claims
- Hydroxychloroquine Sulfate606 claims
- Prednisone399 claims
- Leflunomide132 claims
- Humira(Cf) Pen126 claims
- Allopurinol87 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.
Bills Medicare through 2 group practices
- Gundersen Clinic LtdOnalaska, WI
- Gundersen Lutheran Medical Center IncOnalaska, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sharon I. Barnhart among 398 adult health nurse practitioner records in Wisconsin
Sharon I. Barnhart, APNP is one of 398 adult health nurse practitioner records with a practice address in Wisconsin. 57% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 80% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2006 · median 2013 among the 172 with a school on file
- Record last updated2016 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Health Nurse Practitioner providers in Wisconsin
There are 398 adult health nurse practitioner records in Wisconsin.
All 398 in Wisconsin → Every provider in La Crosse → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Kathleen Germain, APNPLa Crosse, WI 546011639400641
- Deborah Herczog, M.S.N., A.N.P.La Crosse, WI 546011467593079
- Debra Kabat, APNPLa Crosse, WI 546011679653844
- Marcia Kendall, APNPLa Crosse, WI 546011336233444
- Jayne Laylan, NPLa Crosse, WI 546011457532988
- Jennifer Lietzau, DNP, APRN, AGACNP-BCLa Crosse, WI 546011649403395
- Traci Moe, APNPLa Crosse, WI 546011669701744
- Margaret Myhre, NPLa Crosse, WI 546011851395248
Common questions
What is Sharon I. Barnhart, APNP's NPI number?
Sharon I. Barnhart, APNP's National Provider Identifier (NPI) is 1477647584, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sharon I. Barnhart, APNP located?
The NPPES record lists a practice address at 1836 South Ave, La Crosse, WI, 54601. Phone: (608) 782-7300. Providers update this record themselves, so call before visiting.
How can I verify Sharon I. Barnhart, APNP's license?
NPPES lists Wisconsin license number 2919, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sharon I. Barnhart, APNP prescribe under Medicare Part D?
In 2024, Sharon I. Barnhart, APNP had 3,163 Medicare Part D claims for 563 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. 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.