DR. WILLIAM V II ZEMNICKAS (D.O) – Surgery Physician, NPI 1568553667
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for DR. WILLIAM V II ZEMNICKAS (D.O)
844, South Main Street, Almont Township, Lapeer County, Michigan, 48003, United States
LAPEER, MI 484463027
Phone: (810) 664-4100
Fax: (810) 664-9250
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: 2008-06-04
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 |
|---|---|---|---|---|
| I20080604000445 | I | General Surgery | MI | 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 | 21 | 21 | $0 |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 14 | 14 | $0 |
Insurance plans in this area (ZIP 48446)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | MI | |
| Family Practice | MI | |
| - | MI | |
| Orthopedic Surgery | MI | |
| Emergency Medicine, Hospitalist, Emergency Medicine, Internal Medicine | MI | |
| - | MI | |
| H E M A T O L O G Y/ O N C O L O G Y | MO | |
| Radiation Oncology | MI | |
| Nurse Practitioner | MI | |
| Family Practice | WA |
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