NPPES file of Aug 9, 2026

Jacob Jay Adashek, DO

Hematology & Oncology Physician · Germantown, WI

Jacob Jay Adashek, DO is a hematology & oncology physician with a practice address in Germantown, Wisconsin, and NPI 1144780107, issued on Mar 24, 2019. Check the license (Wisconsin 81822, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1144780107
Name
Jacob Jay Adashek
Credential
DO
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License numbers
81822 WI
8182221 WI
Self-reported in NPPES; status is on the state search
Practice location
W180N11070 River LN, Germantown, WI 53022
Phone
(262) 532-9755
Enumerated
Mar 24, 2019
Record last updated
Jun 9, 2026
Medicaid ID
100322138 WI
Medicare enrollment
Enrolled (PECOS I20250522002820); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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8 nearest hematology & oncology physician records → All 295 in Wisconsin → Look up another NPI →

Also registered at W180N11070 River LN

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

  1. Katie CohenCardiovascular Disease Physician1366975179
  2. Kelly Cole, PA-CPhysician Assistant1700556818
  3. Shaunta Ford-Pierce, NPFamily Nurse Practitioner1619387511
  4. Timothy Goggins, M.D.Hematology & Oncology Physician1497890701
  5. Mark KaepplerCardiovascular Disease Physician1104184100
  6. Vini Konowitz, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1063874097

Verify Jacob Jay Adashek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 81822    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.

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Bills Medicare through 2 group practices

  1. Aurora Advanced Healthcare, Inc.Germantown, WI
  2. Aurora Health Care Metro, Inc.Milwaukee, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jacob Jay Adashek among 295 hematology & oncology physician records in Wisconsin

Jacob Jay Adashek, DO is one of 295 hematology & oncology physician records with a practice address in Wisconsin. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.

  • NPI issued2019 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2019 · median 2004 among the 217 with a school on file
  • Record last updated2026 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Wisconsin

There are 295 hematology & oncology physician records in Wisconsin.

All 295 in Wisconsin → Every provider in Germantown → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Timothy Goggins, M.D.Germantown, WI 530221497890701
  2. Justin Chau, M.D.Grafton, WI 530241871974154
  3. Maria GeorgenGrafton, WI 530241114488129
  4. John Maul, MDGrafton, WI 530241326014382
  5. Peter Polewski, MDGrafton, WI 530241659784940
  6. Thomas Zukowski, MDGrafton, WI 530241912989260
  7. Stephen Strother, M.D.Brookfield, WI 530451417063231
  8. Michael Delatorre, M.D.Menomonee Falls, WI 530511831211861

Common questions

What is Jacob Jay Adashek, DO's NPI number?

Jacob Jay Adashek, DO's National Provider Identifier (NPI) is 1144780107, issued on Mar 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jacob Jay Adashek, DO located?

The NPPES record lists a practice address at W180N11070 River LN, Germantown, WI, 53022. Phone: (262) 532-9755. Providers update this record themselves, so call before visiting.

How can I verify Jacob Jay Adashek, DO's license?

NPPES lists Wisconsin license number 81822, 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.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.