DR. MARK CHRISTOPHER NADAUD (DO) – Family Medicine Physician, NPI 1346235710
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,431 FAMILY PRACTICE in OH
Provider Addresses for DR. MARK CHRISTOPHER NADAUD (DO)
PO BOX 378
SANDUSKY, OH 448710378
Phone: (419) 609-1112
Fax: (419) 502-3537
Type: Mailing
22614 W STATE ROUTE 51
GENOA, OH 434301143
Phone: (419) 855-7772
Fax: (419) 855-4800
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 13 Open Payments records for all available years, with a total value of $348.
Total Amount is formed as General ($348) + Research ($0) + Ownership ($0) = $348.
Last reported payment date: 2024-09-10 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($161).
Total Amount
$348
General + Research + Ownership
Payments
13
Total payment records
General Amount
$348
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-09-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $161 |
| MIMEDX Group, Inc. | $43 |
| Novo Nordisk Inc | $41 |
| Abbott Laboratories | $40 |
| E.R. Squibb & Sons, L.L.C. | $22 |
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: 2010-05-05
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 |
|---|---|---|---|---|
| I20100505000597 | I | Family Practice | OH | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 304 | 178 | $0 |
| J0702 | Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | 212 | 27 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 187 | 187 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 123 | 105 | $0 |
| 83036 | Hemoglobin a1c level | 95 | 64 | $0 |
Insurance plans in this area (ZIP 44871)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Nurse Practitioner | OH | |
| Family Practice | OH | |
| Sports Medicine, Family Practice | OH | |
| - | OH | |
| Critical Care (Intensivists), Pulmonary Disease | NY | |
| - | OH | |
| - | OH | |
| General Surgery | OH |
Reviews
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