Mark Hix, MD
Internal Medicine Physician · Winston Salem, NC
Mark Hix, MD is an internal medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1134191380, issued on Feb 2, 2006. Check the license (North Carolina 28043, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mark Hix
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 28043 NC
Self-reported in NPPES; status is on the state search - Practice location
- Medical Center Blvd, Winston Salem, NC 27157
- Phone
- (336) 713-2800
- Enumerated
- Feb 2, 2006
- Record last updated
- Jun 13, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Hix in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 28043Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average internal medicine physician in 2024
3,453 Medicare Part D claims for 311 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium453 claims
- Hydrochlorothiazide232 claims
- Amlodipine Besylate231 claims
- Lisinopril194 claims
- Levothyroxine Sodium106 claims
- Pantoprazole Sodium93 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.
Mark Hix among 4,056 internal medicine physician records in North Carolina
Mark Hix, 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 updated2014 · 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
- Megan Alexander, MDWinston Salem, NC 271571467438739
- William Applegate, MDWinston Salem, NC 271571730163197
- Alain Bertoni, MDWinston Salem, NC 271571558344259
- Thomas Dubose, MDWinston Salem, NC 271571164405874
- Kirsten Feiereisel, MDWinston Salem, NC 271571669468724
- Elizabeth Gamble, MDWinston Salem, NC 271571356326391
- David Goff, MDWinston Salem, NC 271571144203845
- Peter Hoffmann, MDWinston Salem, NC 271571063495760
Common questions
What is Mark Hix, MD's NPI number?
Mark Hix, MD's National Provider Identifier (NPI) is 1134191380, issued on Feb 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Hix, MD located?
The NPPES record lists a practice address at Medical Center Blvd, Winston Salem, NC, 27157. Phone: (336) 713-2800. Providers update this record themselves, so call before visiting.
How can I verify Mark Hix, MD's license?
NPPES lists North Carolina license number 28043, 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 Mark Hix, MD prescribe under Medicare Part D?
In 2024, Mark Hix, MD had 3,453 Medicare Part D claims for 311 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.