Martin K. Johnson, MD
Gastroenterology Physician · Greensboro, NC
Martin K. Johnson, MD is a gastroenterology physician with a practice address in Greensboro, North Carolina, and NPI 1174692248, issued on Nov 6, 2006. Check the license (North Carolina 21573, as entered in NPPES) on the North Carolina Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Martin K. Johnson
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 21573 NC
Self-reported in NPPES; status is on the state search - Practice location
- 301 E Wendover Ave, Greensboro, NC 27401
- Phone
- (336) 274-3241
- Enumerated
- Nov 6, 2006
- Record last updated
- Apr 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (336) 274-7134
- Medicaid ID
- 8946432 NC
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 681 in North Carolina → Look up another NPI →
Also registered at 301 E Wendover Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martin K. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 21573Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Martin K. Johnson among 681 gastroenterology physician records in North Carolina
Martin K. Johnson, MD is one of 681 gastroenterology physician records with a practice address in North Carolina. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 47% newer
- In a Medicare fileNo · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% 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 207RG0100X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Carolina
There are 681 gastroenterology physician records in North Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 681 in North Carolina → Every provider in Greensboro → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Parag Brahmbhatt, M.D.Greensboro, NC 274011821394370
- Robert Buccini, MDGreensboro, NC 274011861573107
- James Edwards, MDGreensboro, NC 274011972684231
- Salem Ganem, MDGreensboro, NC 274011568543833
- John Hayes, MDGreensboro, NC 274011073694352
- Arya Karki, M.D.Greensboro, NC 274011750532156
- Marc Magod, MDGreensboro, NC 274011467533745
- William Outlaw, MDGreensboro, NC 274011346353315
Common questions
What is Martin K. Johnson, MD's NPI number?
Martin K. Johnson, MD's National Provider Identifier (NPI) is 1174692248, issued on Nov 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martin K. Johnson, MD located?
The NPPES record lists a practice address at 301 E Wendover Ave, Greensboro, NC, 27401. Phone: (336) 274-3241. Providers update this record themselves, so call before visiting.
How can I verify Martin K. Johnson, MD's license?
NPPES lists North Carolina license number 21573, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.