John O. Marsh, M.D.
Family Medicine Physician · Middlebrook, VA
John O. Marsh, M.D. is a family medicine physician with a practice address in Middlebrook, Virginia, and NPI 1619997566, issued on Jul 20, 2006. Check the license (Virginia 0101037747, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- John O. Marsh
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0101037747 VA
Self-reported in NPPES; status is on the state search - Practice location
- 36 Cherry Grove Road, Middlebrook, VA 24459
- Phone
- (540) 887-2627
- Enumerated
- Jul 20, 2006
- Record last updated
- Aug 11, 2022
- Fax
- (540) 886-2726
- Medicaid ID
- 005621852 VA
- Medicare enrollment
- Enrolled (PECOS I20060728000297); accepts Medicare assignment
- Medical or professional school
- Eastern Virginia Medical School, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 36 Cherry Grove Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Perkins, P.A.Physician Assistant1366531204
Verify John O. Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101037747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.5 times the Medicare Part D claims of the average family medicine physician in 2024
19,535 Medicare Part D claims for 1,009 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 845 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium907 claims
- Levothyroxine Sodium707 claims
- Atorvastatin Calcium687 claims
- Pantoprazole Sodium558 claims
- Losartan Potassium506 claims
- Metoprolol Succinate494 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: $1,668.56
96 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Carilion Rockbridge Community HospitalLexington, VA
- Privia Medical Group, LLCRaphine, VA
- Speech And Language Center PLLCHarrisonburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John O. Marsh among 4,137 family medicine physician records in Virginia
John O. Marsh, M.D. is one of 4,137 family medicine physician records with a practice address in Virginia. 74% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 50% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1983 · median 2004 among the 2,426 with a school on file
- Record last updated2022 · 54% 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 Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Virginia
There are 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Craig Cromer, MDMiddlebrook, VA 244591508358516
- Megan Douglas, FNP-BCLow Moor, VA 244571144865932
- Patricia Henderson, DOLow Moor, VA 244571316942451
- Barbara Howell, FNPMonterey, VA 244651750464087
- James Redington, M.D.Monterey, VA 244651154491538
- Matthew Bryant, M.D.Lexington, VA 244501710242219
- Beatrice Byrne, DOLexington, VA 244501699416933
- Scott Dubit, M.D.Lexington, VA 244501205929114
Common questions
What is John O. Marsh, M.D.'s NPI number?
John O. Marsh, M.D.'s National Provider Identifier (NPI) is 1619997566, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John O. Marsh, M.D. located?
The NPPES record lists a practice address at 36 Cherry Grove Road, Middlebrook, VA, 24459. Phone: (540) 887-2627. Providers update this record themselves, so call before visiting.
How can I verify John O. Marsh, M.D.'s license?
NPPES lists Virginia license number 0101037747, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John O. Marsh, M.D. prescribe under Medicare Part D?
In 2024, John O. Marsh, M.D. had 19,535 Medicare Part D claims for 1,009 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.