Douglas Thomas Johnston, DO
Allergy & Immunology Physician · Greenville, SC
Douglas Thomas Johnston, DO is an allergy & immunology physician with a practice address in Greenville, South Carolina, and NPI 1124048079, issued on Jul 20, 2006. Check the license (South Carolina 967, as entered in NPPES) on the South Carolina Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Douglas Thomas Johnston
- Credential
- DO
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 967 SC
DO840 AL
2011-01906 NC
Self-reported in NPPES; status is on the state search - Practice location
- 200 Patewood Dr Ste A140, Greenville, SC 29615
- Phone
- (864) 454-5125
- Enumerated
- Jul 20, 2006
- Record last updated
- Aug 16, 2022
- Fax
- (864) 241-9201
- Medicaid IDs
- 5920097 NC
PENDING SC
009671 SC - Entity
- Type 1 · individual
Also registered at 200 Patewood Dr Ste A140
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristan Brown, R.D.Registered Dietitian1215318720
- Eden Crain, RDRegistered Dietitian1578495131
- Benjamin Jones, PSYDPsychologist1780636209
- Lindsay Moye, MDPediatric Gastroenterology Physician1649532367
Verify Douglas Thomas Johnston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 967Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Allergy & Immunology Physician providers in South Carolina
There are 50 allergy & immunology physician records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other allergy & immunology physician records in South Carolina
- Melissa Anderson, MDGreenville, SC1861987299
- Bruce Ball, M.D.Mt Pleasant, SC1912909599
- Jonathan Black, MDColumbia, SC1659588382
- Michael Bykowsky, MD PHDColumbia, SC1245346196
- Matthew Clark, M.D.North Augusta, SC1053433250
- Dewitt Coleman, M. D.West Columbia, SC1821088261
- Timothy Crouch, MDFlorence, SC1699832022
- Brian Dantzler, MDCharleston, SC1861438699
- Andrew Davidson, M.D.Charleston, SC1134121718
- Jeffrey Dietrich, MDCharleston, SC1528049780
Common questions
What is Douglas Thomas Johnston, DO's NPI number?
Douglas Thomas Johnston, DO's National Provider Identifier (NPI) is 1124048079, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Thomas Johnston, DO located?
The NPPES record lists a practice address at 200 Patewood Dr Ste A140, Greenville, SC, 29615. Phone: (864) 454-5125. Providers update this record themselves, so call before visiting.
How can I verify Douglas Thomas Johnston, DO's license?
NPPES lists South Carolina license number 967, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. 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.