NPPES file of Aug 9, 2026

Stephanie Ann Kerswill, MD

Psychiatry Physician · Winnebago, WI

Stephanie Ann Kerswill, MD is a psychiatry physician with a practice address in Winnebago, Wisconsin, and NPI 1952808735, issued on Apr 9, 2018. Check the license (Wisconsin 76486, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1952808735
Name
Stephanie Ann Kerswill
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
76486 WI
Self-reported in NPPES; status is on the state search
Practice location
PO Box 9, Winnebago, WI 54985
Phone
(920) 235-4910
Enumerated
Apr 9, 2018
Record last updated
Mar 31, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at PO Box 9

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

  1. Jofflyn Zaremba, APNPNurse Practitioner1902633563

Verify Stephanie Ann Kerswill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 76486
    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
Open the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

1% more Medicare Part D claims than the average psychiatry physician in 2024

1,013 Medicare Part D claims for 129 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Stephanie Kerswill1,013
  2. Specialty average1,000

Most prescribed

  1. Benztropine Mesylate77 claims
  2. Clozapine71 claims
  3. Clonazepam45 claims
  4. Haloperidol44 claims
  5. Trazodone Hcl44 claims
  6. Olanzapine40 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.

Industry payments in 2024: $129.11

2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Kerswill$129.11
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

13 psychiatry physician records list a practice address in Winnebago

They are 13 of the 63 NPPES records with a practice address in Winnebago, and 929 psychiatry physician records in Wisconsin.

Other psychiatry physician records in Wisconsin

  1. Semhal Abbay, MDGreen Bay, WI1780713172
  2. Amir Abdelli, MDMilwaukee, WI1265782668
  3. Beth Abramson, M.D.Milwaukee, WI1922045996
  4. Jaeger Ackerman, MDMadison, WI1578192589
  5. Sean Ackerman, M.D.Columbus, WI1548559305
  6. Nagwa Agaiby, M.D.Milwaukee, WI1336240407
  7. Himanshu Agrawal, M.D.Elm Grove, WI1477747954
  8. Virginia Aguilar-Sincaban, MDMadison, WI1730172081
  9. Eileen Ahearn, M.D.Madison, WI1144320524
  10. Mahmoud Ahmed, MDLadysmith, WI1659473312

Common questions

What is Stephanie Ann Kerswill, MD's NPI number?

Stephanie Ann Kerswill, MD's National Provider Identifier (NPI) is 1952808735, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Ann Kerswill, MD located?

The NPPES record lists a practice address at PO Box 9, Winnebago, WI, 54985. Phone: (920) 235-4910. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Ann Kerswill, MD's license?

NPPES lists Wisconsin license number 76486, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephanie Ann Kerswill, MD prescribe under Medicare Part D?

In 2024, Stephanie Ann Kerswill, MD had 1,013 Medicare Part D claims for 129 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.