NPPES file of Aug 9, 2026

Mark Christopher Nadaud, DO

Family Medicine Physician · Genoa, OH

Mark Christopher Nadaud, DO is a family medicine physician with a practice address in Genoa, Ohio, and NPI 1346235710, issued on Sep 13, 2005. Check the license (Ohio 34002852, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346235710
Name
Mark Christopher Nadaud
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
34002852 OH
Self-reported in NPPES; status is on the state search
Practice location
22614 W State Route 51, Genoa, OH 43430
Phone
(419) 855-7772
Enumerated
Sep 13, 2005
Record last updated
Nov 21, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(419) 855-4800
Medicaid ID
0400408 OH
Medicare enrollment
Enrolled (PECOS I20100505000597); accepts Medicare assignment
Medical or professional school
College Of Physicians And Surgeons (Iowa), 1978
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 22614 W State Route 51

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aaron Meinke, MDFamily Medicine Physician1669465985
  2. Elizabeth Musolf, CPNPNurse Practitioner1003816869

Verify Mark Christopher Nadaud in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 34002852
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.6 times the Medicare Part D claims of the average family medicine physician in 2024

12,900 Medicare Part D claims for 754 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 523 claims were for opioids.

  1. Mark Nadaud12,900
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium691 claims
  2. Carvedilol562 claims
  3. Levothyroxine Sodium465 claims
  4. Amlodipine Besylate447 claims
  5. Rosuvastatin Calcium419 claims
  6. Tramadol Hcl375 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $296.79

10 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Nadaud$296.79
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Wood Health Company LLCBowling Green, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Christopher Nadaud among 5,606 family medicine physician records in Ohio

Mark Christopher Nadaud, DO is one of 5,606 family medicine physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1978 · median 2005 among the 3,510 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 family medicine physician records list a practice address in Genoa

They are 2 of the 38 NPPES records with a practice address in Genoa, and 5,606 family medicine physician records in Ohio.

The 8 family medicine physician records with the nearest ZIP codes

  1. Aaron Meinke, MDGenoa, OH 434301669465985
  2. David Wassil, DOGibsonburg, OH 434311689647604
  3. Kriti Arora, M.D.Fremont, OH 434201083020960
  4. Muhamid Asif, NDFremont, OH 434201265093363
  5. Mary Bower, M.D.Fremont, OH 434201194798892
  6. David Defrance, M.D.Fremont, OH 434201699723759
  7. Jonathan Diller, M.D.Fremont, OH 434201639130164
  8. Philip Edgar, M.D.Fremont, OH 434201437213287

Common questions

What is Mark Christopher Nadaud, DO's NPI number?

Mark Christopher Nadaud, DO's National Provider Identifier (NPI) is 1346235710, issued on Sep 13, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Christopher Nadaud, DO located?

The NPPES record lists a practice address at 22614 W State Route 51, Genoa, OH, 43430. Phone: (419) 855-7772. Providers update this record themselves, so call before visiting.

How can I verify Mark Christopher Nadaud, DO's license?

NPPES lists Ohio license number 34002852, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Christopher Nadaud, DO prescribe under Medicare Part D?

In 2024, Mark Christopher Nadaud, DO had 12,900 Medicare Part D claims for 754 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.