NPPES file of Aug 9, 2026

John E. Basich, M.D.

Internal Medicine Physician · Brookfield, WI

John E. Basich, M.D. is an internal medicine physician with a practice address in Brookfield, Wisconsin, and NPI 1730239393, issued on Jan 12, 2007. Check the license (Wisconsin 21910, 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
1730239393
Name
John E. Basich
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
21910 WI
21910-3541 WI
Self-reported in NPPES; status is on the state search
Practice location
16985 W Bluemound RD, Brookfield, WI 53005
Phone
(414) 641-8400
Enumerated
Jan 12, 2007
Record last updated
Apr 21, 2025
Medicaid ID
30311400 WI
Medicare enrollment
Enrolled (PECOS I20100323000170); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1974
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 internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →

Also registered at 16985 W Bluemound RD

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

  1. Srikanth Bathula, M.D.Rheumatology Physician1710290036
  2. Ashlyn Bolstad, NPNurse Practitioner1447015813
  3. Timothy Broaddrick, DCChiropractor1417038316
  4. Jamie CarlsonPhysical Therapist1154714756
  5. Timothy Cooper, M.D.Internal Medicine Physician1225456296
  6. Mary Drosen, PTPhysical Therapist1710468251

Verify John E. Basich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 21910    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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68% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,020 Medicare Part D claims for 204 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.

  1. John Basich1,020
  2. Specialty average3,176

Most prescribed

  1. Albuterol Sulfate Hfa102 claims
  2. Montelukast Sodium97 claims
  3. Fluticasone Propionate91 claims
  4. Symbicort69 claims
  5. Wixela Inhub54 claims
  6. Breo Ellipta51 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: $94.66

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Basich$94.66
  2. Specialty average$1,303.06

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

Bills Medicare through 2 group practices

  1. Aurora Advanced Healthcare, Inc.Milwaukee, WI
  2. Aurora Medical Group, Inc.Oconomowoc, WI

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

John E. Basich among 2,078 internal medicine physician records in Wisconsin

John E. Basich, M.D. is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated1974 · median 2002 among the 1,098 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

39 internal medicine physician records list a practice address in Brookfield

They are 39 of the 2,036 NPPES records with a practice address in Brookfield, and 2,078 internal medicine physician records in Wisconsin.

All 2,078 in Wisconsin → Every provider in Brookfield → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michelle Agnew, M.D.Brookfield, WI 530051720051550
  2. Minoudokht Azimi-Zavarei, MDBrookfield, WI 530051649280827
  3. Stephen Bielke, MDBrookfield, WI 530051528035516
  4. Russell Blankenburg, MDBrookfield, WI 530051104893577
  5. Eugene Burke, M.D.Brookfield, WI 530051457323065
  6. Sunu Eapen, MDBrookfield, WI 530051609819382
  7. Lawrence Golopol, MDBrookfield, WI 530051568493963
  8. Mushir Hassan, MDBrookfield, WI 530051043287436

Common questions

What is John E. Basich, M.D.'s NPI number?

John E. Basich, M.D.'s National Provider Identifier (NPI) is 1730239393, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John E. Basich, M.D. located?

The NPPES record lists a practice address at 16985 W Bluemound RD, Brookfield, WI, 53005. Phone: (414) 641-8400. Providers update this record themselves, so call before visiting.

How can I verify John E. Basich, M.D.'s license?

NPPES lists Wisconsin license number 21910, 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 John E. Basich, M.D. prescribe under Medicare Part D?

In 2024, John E. Basich, M.D. had 1,020 Medicare Part D claims for 204 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.

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.