NPPES file of Aug 9, 2026

Jonathan Gabriel Bonchak, M.D.

Dermatology Physician · New Berlin, WI

Jonathan Gabriel Bonchak, M.D. is a dermatology physician with a practice address in New Berlin, Wisconsin, and NPI 1053670307, issued on May 7, 2012. Check the license (Wisconsin 69595, 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
1053670307
Name
Jonathan Gabriel Bonchak
Credential
M.D.
Primary taxonomy
Dermatology Physician 207N00000X
License number
69595 WI
Self-reported in NPPES; status is on the state search
Practice location
12901 W National Ave, New Berlin, WI 53151
Phone
(262) 787-5200
Enumerated
May 7, 2012
Record last updated
Nov 24, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
100079068 WI
Medicare enrollment
Enrolled (PECOS I20180801000064); 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.
Download card Updates feed

Also registered at 12901 W National Ave

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

  1. David Crosby, MDDermatology Physician1538177738
  2. Dennis Garvin, APNPNurse Practitioner1013022037
  3. Elizabeth Gastineau, APNPNurse Practitioner1376197574
  4. Margaret Leonhardt, M.D.Family Medicine Physician1538153416
  5. Alexander Maley, M.D.Dermatology Physician1699018531
  6. Gabrielle Mannino, MDDermatology Physician1114338910

Verify Jonathan Gabriel Bonchak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 69595
    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.

2.1 times the Medicare Part D claims of the average dermatology physician in 2024

1,656 Medicare Part D claims for 590 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Jonathan Bonchak1,656
  2. Specialty average797

Most prescribed

  1. Triamcinolone Acetonide205 claims
  2. Dupixent Pen168 claims
  3. Mupirocin159 claims
  4. Clobetasol Propionate94 claims
  5. Fluconazole88 claims
  6. Doxycycline Monohydrate84 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: $99.99

1 payment: education; the largest payer was Janssen Biotech, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jonathan Bonchak$99.99
  2. Specialty average$8,544.61

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

Bills Medicare through one group practice

  1. Aurora Medical Group, Inc.Milwaukee, WI

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

7 dermatology physician records list a practice address in New Berlin

They are 7 of the 662 NPPES records with a practice address in New Berlin, and 325 dermatology physician records in Wisconsin.

Other dermatology physician records in Wisconsin

  1. Yasmine Abushukur, MDMadison, WI1144923632
  2. Chibuzo AguwaMilwaukee, WI1124713219
  3. Atif Ahmed, M.D.Milwaukee, WI1437396116
  4. Olushola Akinshemoyin VaughnMilwaukee, WI1518352848
  5. Kim Albridge, MDBeaver Dam, WI1699842310
  6. Erik Alexander, M.D.Milwaukee, WI1770748303
  7. Eric Anderson, MDMonroe, WI1184645616
  8. Lisa Arkin, M.D.Madison, WI1639309941
  9. Steven Armus, MDMilwaukee, WI1982601704
  10. Mackenzie Asel, M.D.Madison, WI1831538099

Common questions

What is Jonathan Gabriel Bonchak, M.D.'s NPI number?

Jonathan Gabriel Bonchak, M.D.'s National Provider Identifier (NPI) is 1053670307, issued on May 7, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Gabriel Bonchak, M.D. located?

The NPPES record lists a practice address at 12901 W National Ave, New Berlin, WI, 53151. Phone: (262) 787-5200. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Gabriel Bonchak, M.D.'s license?

NPPES lists Wisconsin license number 69595, 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 Jonathan Gabriel Bonchak, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Gabriel Bonchak, M.D. had 1,656 Medicare Part D claims for 590 beneficiaries; the average among dermatology physician prescribers was 797. 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.