Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Douglas Thomas Johnston, DO

Individual provider Allergy & Immunology Physician · NPI 1124048079

Douglas Thomas Johnston, DO is an Allergy & Immunology Physician in Greenville, South Carolina. Works from 4 locations. Licensed in Alabama, North Carolina and South Carolina.

Licensed in
AL, NC, SC
In the registry since
2006
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

200 Patewood Dr Ste A140
Greenville, SC 29615-3585
Phone: (864) 454-5125
Fax: (864) 241-9201
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 2600 E 7th St Unit A, Charlotte, NC 28204-4398 — (704) 372-7900
  • 10310 Mallard Creek Rd Ste 101a, Charlotte, NC 28262-4563 — (704) 341-9600
  • 8045 Providence Rd, Charlotte, NC 28277-8915 — (704) 341-9600

Specialties & licences

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 967 (SC)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 2011-01906 (NC)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence DO840 (AL)

Record details

NPI number1124048079
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESAugust 16, 2022
Certification dateAugust 16, 2022

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