JOSEPH A. NICHOLAS (M.D.) – Family Medicine Physician, NPI 1528094588
Family Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,047 FAMILY PRACTICE in WI
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Provider Addresses for JOSEPH A. NICHOLAS (M.D.)
100, 15th Avenue, South Milwaukee, Milwaukee County, Wisconsin, 53172, United States
STE 180
SOUTH MILWAUKEE, WI 531721160
Phone: (414) 768-5430
Fax: (414) 762-4225
Type: Mailing
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
4448, West Loomis Road, Greenfield, Milwaukee County, Wisconsin, 53220, United States
STE 100
GREENFIELD, WI 532204851
Phone: (414) 281-5150
Fax: (414) 281-5767
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2006-06-29
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 |
|---|---|---|---|---|
| I20060629000226 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 257 | 135 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 117 | 117 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 92 | 65 | $0 |
| G0108 | Diabetes outpatient self-management training services, individual, per 30 minutes | 70 | 23 | $0 |
| 83036 | Hemoglobin a1c level | 66 | 39 | $0 |
Insurance plans in this area (ZIP 53172)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | WI | |
| Physician Assistant | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| Diagnostic Radiology | WI | |
| - | WI | |
| Family Practice | WI | |
| Family Practice, Geriatric Medicine | IL | |
| - | WI |
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