FREDERICK E II LUDWIG (M.D.) – Surgery Physician, NPI 1992877989
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,452 GENERAL SURGERY in MI
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Provider Addresses for FREDERICK E II LUDWIG (M.D.)
550, Osborn Boulevard, Sault Ste. Marie, Chippewa County, Michigan, 49783, United States
SUITE 1006
SAULT SAINTE MARIE, MI 497831899
Phone: (906) 632-3753
Fax: (906) 635-7872
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)
CMS reports 5 Open Payments records for all available years, with a total value of $91.
Total Amount is formed as General ($91) + Research ($0) + Ownership ($0) = $91.
Last reported payment date: 2023-10-11 • Largest payer in this snapshot: Advanced Oxygen Therapy Inc. ($55).
Total Amount
$91
General + Research + Ownership
Payments
5
Total payment records
General Amount
$91
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-11
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Advanced Oxygen Therapy Inc. | $55 |
| Organogenesis Inc. | $19 |
| Smith+Nephew, Inc. | $17 |
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: 2010-12-08
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20101208000311 | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 80 | 23 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 28 | 13 | $0 |
Insurance plans in this area (ZIP 49783)
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