RYAN T ZANTOW (MD) – Occupational Medicine Physician, NPI 1821044892
Occupational Medicine Physician
Main info
Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for RYAN T ZANTOW (MD)
3301 W FOREST HOME AVE
MILWAUKEE, WI 532152843
Phone: (920) 686-5732
Fax: (920) 686-5726
Type: Mailing
820 E Grant St
Appleton, WI 549113483
Phone: (920) 831-5050
Fax: (920) 738-6400
Type: Location
3509 DEWEY ST
MANITOWOC, WI 542205813
Phone: (920) 686-5732
Fax: (920) 686-5726
Type: Location
3509 Dewey St
Manitowoc, WI 542205813
Phone: (920) 686-5732
Fax: (920) 686-5726
Type: Location
PO BOX 735044
CHICAGO, IL 606735044
Phone: (800) 326-2250
Type: Mailing
855 N WESTHAVEN DR
OSHKOSH, WI 549047668
Phone: (833) 986-2170
Type: Location
820, East Grant Street, Huntley Houses, Appleton, Outagamie County, Wisconsin, 54911, United States
APPLETON, WI 549113483
Phone: (920) 831-5050
Fax: (920) 738-6400
Type: Mailing
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: 2006-03-13
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 |
|---|---|---|---|---|
| I20060313000474 | I | Physical Medicine And Rehabilitation | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 53215)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | WI | |
| Family Practice | WI | |
| - | FL | |
| Hospitalist, Internal Medicine | MI | |
| P S Y C H I A T R Y | WI | |
| - | WI | |
| - | WA | |
| Physician Assistant | WI | |
| Family Practice | WI | |
| Nurse Practitioner | WI |
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