NPPES file of Aug 9, 2026

David W. Koski, MD

Critical Care Medicine (Anesthesiology) Physician · Woodruff, WI

David W. Koski, MD is a critical care medicine (anesthesiology) physician with a practice address in Woodruff, Wisconsin, and NPI 1992746556, issued on Jun 8, 2006. Check the license (Wisconsin 24963-020, 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
1992746556
Name
David W. Koski
Credential
MD
Primary taxonomy
Critical Care Medicine (Anesthesiology) Physician 207LC0200X
License number
24963-020 WI
Self-reported in NPPES; status is on the state search
Practice location
240 Maple St, Woodruff, WI 54568
Phone
(715) 356-8000
Enumerated
Jun 8, 2006
Record last updated
Jul 13, 2026
Fax
(715) 356-8286
Medicaid ID
30469600 WI
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.
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Also registered at 240 Maple St

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

  1. Margaret Alvarez, NPAcute Care Nurse Practitioner1578775078
  2. James Anderson, MDDiagnostic Radiology Physician1598780041
  3. Robert Birk, PA-CPhysician Assistant1215024716
  4. Frank Burkett, MDSurgery Physician1649212705
  5. Jennifer Deland, CRNACertified Registered Nurse Anesthetist1821038423
  6. Kari Dingman, OTR, CHTOccupational Therapist1649666199

Verify David W. Koski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 24963-020
    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

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94% fewer Medicare Part D claims than the average critical care medicine (anesthesiology) physician in 2024

11 Medicare Part D claims, against an average of 192 among the 107 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. David Koski11
  2. Specialty average192

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: $209.76

11 payments; by number, the most common kind was food and beverage; the largest payer was Phathom Pharmaceuticals, Inc. The 394 providers of this specialty with any payment received $2,001.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Koski$209.76
  2. Specialty average$2,001.81

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

David W. Koski among 22 critical care medicine (anesthesiology) physician records in Wisconsin

David W. Koski, MD is one of 22 critical care medicine (anesthesiology) physician records with a practice address in Wisconsin. 86% 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, 68% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2026 · 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 207LC0200X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Critical Care Medicine (Anesthesiology) Physician providers in Wisconsin

There are 22 critical care medicine (anesthesiology) physician records in Wisconsin.

The 8 critical care medicine (anesthesiology) physician records with the nearest ZIP codes

  1. David Feller, MDEau Claire, WI 547031457935058
  2. Kathryn Borsodi, M.D.Fond Du Lac, WI 549351720188212
  3. Robert Arrigo, M.D., M.S.Madison, WI 537921326425406
  4. Christopher Cassara, M.D.Madison, WI 537921508093501
  5. Gozde Demiralp, M.D.Madison, WI 537921972795383
  6. Anna Frackman, M.D.Madison, WI 537921932631256
  7. Jonathan Ketzler, MDMadison, WI 537921275509754
  8. Mark Leibel, MDMadison, WI 537921689655995

Common questions

What is David W. Koski, MD's NPI number?

David W. Koski, MD's National Provider Identifier (NPI) is 1992746556, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David W. Koski, MD located?

The NPPES record lists a practice address at 240 Maple St, Woodruff, WI, 54568. Phone: (715) 356-8000. Providers update this record themselves, so call before visiting.

How can I verify David W. Koski, MD's license?

NPPES lists Wisconsin license number 24963-020, 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 David W. Koski, MD prescribe under Medicare Part D?

In 2024, David W. Koski, MD had 11 Medicare Part D claims; the average among critical care medicine (anesthesiology) physician prescribers was 192. 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.