DR. JONATHAN GABRIEL BONCHAK (M.D.) – Dermatology Physician, NPI 1053670307
Dermatology Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
339 DERMATOLOGY in WI
Provider Addresses for DR. JONATHAN GABRIEL BONCHAK (M.D.)
6901 W Edgerton Ave
Greenfield, WI 53220
Phone: (414) 421-8400
Type: Location
3301 W FOREST HOME AVE
MILWAUKEE, WI 532152843
Phone: (414) 389-2377
Type: Mailing
12901 W NATIONAL AVE
NEW BERLIN, WI 531514063
Phone: (262) 787-5200
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $100.
Total Amount is formed as General ($100) + Research ($0) + Ownership ($0) = $100.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: Janssen Biotech, Inc. ($100).
Total Amount
$100
General + Research + Ownership
Payments
1
Total payment records
General Amount
$100
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Biotech, Inc. | $100 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2018-08-01
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20180801000064 | I | Dermatology | WI | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 17003 | Destruction of precancer skin growth, 2-14 growths | 546 | 135 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 283 | 215 | $0 |
| 17000 | Destruction of precancer skin growth, 1 growth | 271 | 195 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 252 | 176 | $0 |
| 17110 | Destruction of skin growth, 1-14 growths | 127 | 98 | $0 |
Insurance plans in this area (ZIP 53220)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | WI | |
| Family Practice | WI | |
| Family Practice | IL | |
| Geriatric Medicine, Internal Medicine | WI | |
| - | WI | |
| - | WI | |
| - | IL | |
| Family Practice | WI | |
| - | OH | |
| - | WI |
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