HELEN H. LANTZ (MD) – Gastroenterology Physician, NPI 1639146301
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
382 GASTROENTEROLOGY in WI
Provider Addresses for HELEN H. LANTZ (MD)
West Kinnickinnic River Parkway, Southgate, Milwaukee, Milwaukee County, Wisconsin, 53215, United States
MILWAUKEE, WI 532153689
Phone: (414) 908-6506
Fax: (414) 908-6510
Type: Mailing
2801 W KINNICKINNIC RIVER PKWY STE 1080
MILWAUKEE, WI 532153689
Phone: (414) 908-6506
Fax: (414) 908-6510
Type: Location
1033, North Mayfair Road, Wauwatosa, Milwaukee County, Wisconsin, 53226, United States
SUITE 101
WAUWATOSA, WI 532263442
Phone: (414) 454-0600
Fax: (414) 454-0971
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: 2005-08-22
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 |
|---|---|---|---|---|
| I20050822000898 | I | Gastroenterology | 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 |
|---|---|---|---|---|
| 45380 | Biopsy of large bowel using a flexible endoscope | 63 | 63 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 46 | 44 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 29 | 17 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 27 | 25 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 24 | 24 | $0 |
Insurance plans in this area (ZIP 53215)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | WI | |
| Gastroenterology, Internal Medicine | FL | |
| G A S T R O E N T E R O L O G Y | WI | |
| Gastroenterology, Internal Medicine | WI | |
| Gastroenterology, Internal Medicine | WI | |
| Gastroenterology, Internal Medicine | WI | |
| Gastroenterology, Internal Medicine | WI | |
| G A S T R O E N T E R O L O G Y | WI | |
| G A S T R O E N T E R O L O G Y | WI | |
| G A S T R O E N T E R O L O G Y | WI |
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