BRETT A. LINZER (M.D.) – Internal Medicine Physician, NPI 1083686653
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
643 PEDIATRIC MEDICINE in WI
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Provider Addresses for BRETT A. LINZER (M.D.)
1185, Corporate Center Drive, Commerce Center at Pabst Farms, Oconomowoc, Waukesha County, Wisconsin, 53066, United States
PROHEALTH CARE MEDICAL ASSOCIATES, INC.
OCONOMOWOC, WI 530664887
Phone: (262) 928-8400
Mailing address matches the actual address.
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.
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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: 2010-07-27
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 |
|---|---|---|---|---|
| I20100727000860 | I | Pediatric Medicine | 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 | 290 | 177 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 188 | 188 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 82 | 71 | $0 |
| G0008 | Administration of influenza virus vaccine | 26 | 26 | $0 |
| 99495 | Transitional care management services for problem of at least moderate complexity | 23 | 16 | $0 |
Insurance plans in this area (ZIP 53066)
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