John R. Desmarais, MD
Family Medicine Physician · Washington Court House, OH
John R. Desmarais, MD is a family medicine physician with a practice address in Washington Court House, Ohio, and NPI 1023085834, issued on Mar 1, 2006. Check the license (Ohio 35.005767, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- John R. Desmarais
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 35.005767 OH
35-05-5767 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1430 Columbus Ave, Washington Court House, OH 43160
- Phone
- (740) 333-2926
- Enumerated
- Mar 1, 2006
- Record last updated
- Nov 14, 2023
- Fax
- (740) 333-2824
- Medicaid ID
- 0724809 OH
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,606 in Ohio → Look up another NPI →
Also registered at 1430 Columbus Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John R. Desmarais in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.005767Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
140 Medicare Part D claims for 18 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole23 claims
- Atorvastatin Calcium12 claims
- Cyproheptadine Hcl12 claims
- Lisinopril-Hydrochlorothiazide12 claims
- Simvastatin11 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.
The MIPS final score for 2023 (Medicare payment program): 83.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
John R. Desmarais among 5,606 family medicine physician records in Ohio
John R. Desmarais, MD 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 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2023 · 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).
11 family medicine physician records list a practice address in Washington Court House
They are 11 of the 321 NPPES records with a practice address in Washington Court House, and 5,606 family medicine physician records in Ohio.
All 5,606 in Ohio → Every provider in Washington Court House → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Katherine Chenevey, MDWashington Court House, OH 431601205497716
- Francesca Cocchiarale, DOWashington Court House, OH 431601073217121
- Cathy Comerci, DOWashington Court House, OH 431601205824687
- David Gunderman, MDWashington Court House, OH 431601508861246
- Penelope Halliday, MDWashington Ch, OH 431601861493249
- Emily Johnson, M.D.Washington Court House, OH 431601659545945
- Dennis Mesker, MDWashington Court House, OH 431601467446146
- Jeannette Morgan, MDWashington Court House, OH 431601386662682
Common questions
What is John R. Desmarais, MD's NPI number?
John R. Desmarais, MD's National Provider Identifier (NPI) is 1023085834, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Desmarais, MD located?
The NPPES record lists a practice address at 1430 Columbus Ave, Washington Court House, OH, 43160. Phone: (740) 333-2926. Providers update this record themselves, so call before visiting.
How can I verify John R. Desmarais, MD's license?
NPPES lists Ohio license number 35.005767, 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 John R. Desmarais, MD prescribe under Medicare Part D?
In 2024, John R. Desmarais, MD had 140 Medicare Part D claims for 18 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John R. Desmarais, MD's MIPS final score?
The 2023 MIPS final score is 83.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.