IndividualActive
John Barker, M.D.
NPI 1063486975 · Gastroenterology Physician · Sioux Falls, SD
Provider details
- NPI number
- 1063486975
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2210 (SD)
Practice location
1001 E. 21st St., Ste. 501
Sioux Falls, SD 57105
Phone: (605) 322-8630
Fax: (605) 322-8631
Mailing address
Po Box 86370
Sioux Falls, SD 57118-6370
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2008-12-19
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.