MARK LINUS LEITSCHUH (MD) – Cardiovascular Disease Physician, NPI 1336217066
Cardiovascular Disease Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for MARK LINUS LEITSCHUH (MD)
Columbia College of Nursing, 4425, North Port Washington Road, Grover Heights, Glendale, Milwaukee County, Wisconsin, 53212, United States
ATTN: CSMCP CLINIC CREDENTIALING
GLENDALE, WI 532121082
Phone: (262) 243-3700
Fax: (262) 243-3701
Type: Mailing
North Port Washington Road, Mequon, Ozaukee County, Wisconsin, 53024, United States
SUITE 122
MEQUON, WI 530972419
Phone: (262) 243-3700
Fax: (262) 243-3701
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: 2004-09-27
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 |
|---|---|---|---|---|
| I20040927000275 | I | Interventional Cardiology | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 153 | 139 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 147 | 134 | $0 |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 107 | 106 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 88 | 70 | $0 |
| 93356 | Heart muscle strain imaging | 60 | 59 | $0 |
Insurance plans in this area (ZIP 53212)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERVENTIONAL CARDIOLOGY | WI | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 1005 | 774 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WI | |
| Diagnostic Radiology | WI | |
| D E R M A T O L O G Y | WI | |
| - | WI | |
| - | WI | |
| - | WI | |
| H E M A T O L O G Y/ O N C O L O G Y | WI | |
| - | WI | |
| - | WI | |
| - | WI |
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