Richard S. Marx, MD
Internal Medicine Physician · Winston Salem, NC
Richard S. Marx, MD is an internal medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1568438018, issued on Feb 24, 2006. Check the license (North Carolina 19372, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Richard S. Marx
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19372 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1381 Westgate Center Dr, Winston Salem, NC 27103
- Phone
- (336) 718-0100
- Enumerated
- Feb 24, 2006
- Record last updated
- Oct 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (336) 718-0120
- Medicaid IDs
- 1578511606 VA
8954548 NC - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 1381 Westgate Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Vahini Chundi, MDInfectious Disease Physician1336637255
- Sharyn Conrad, DNP, FNP-BCFamily Nurse Practitioner1730180928
- Timothy Darnell, DOInfectious Disease Physician1467678979
Verify Richard S. Marx in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 19372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
57 Medicare Part D claims for 12 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Richard S. Marx among 4,056 internal medicine physician records in North Carolina
Richard S. Marx, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 52% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 internal medicine physician records list a practice address in Winston Salem
They are 218 of the 10,040 NPPES records with a practice address in Winston Salem, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Winston Salem → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tamas Bathory, MDWinston Salem, NC 271031699754689
- Robert Bloomfield, MDMSWinston Salem, NC 271031962496810
- Bruce Brasher, MDWinston Salem, NC 271031992783971
- Edwin Chee, MDWinston Salem, NC 271031881674968
- David Collins, M.D.Winston Salem, NC 271031962407072
- Peter Cullen, MDWinston Salem, NC 271031568442580
- Jennifer Day, MDWinston Salem, NC 271031427038488
- James Dilley, M.D.Winston Salem, NC 271031801895339
Common questions
What is Richard S. Marx, MD's NPI number?
Richard S. Marx, MD's National Provider Identifier (NPI) is 1568438018, issued on Feb 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard S. Marx, MD located?
The NPPES record lists a practice address at 1381 Westgate Center Dr, Winston Salem, NC, 27103. Phone: (336) 718-0100. Providers update this record themselves, so call before visiting.
How can I verify Richard S. Marx, MD's license?
NPPES lists North Carolina license number 19372, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard S. Marx, MD prescribe under Medicare Part D?
In 2024, Richard S. Marx, MD had 57 Medicare Part D claims for 12 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.