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Edit this profileAt a glance
- 1001 E. 21St St., Ste. 501, Sioux Falls, SD 57105
About Dr. Barker
John D. Barker, M.D. is a healthcare provider in Sioux Falls, SD specializing in gastroenterology. This provider record is associated with NPI 1063486975.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (605) 322-8630
- Email not available
Practice Locations
1001 E. 21ST ST., STE. 501
Sioux Falls, SD 57105
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Common questions
What does John D. Barker specialize in?
John D. Barker is a gastroenterologist in Sioux Falls, SD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is John D. Barker located?
John D. Barker is listed at 1001 E. 21St St., Ste. 501, Sioux Falls, SD 57105. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John D. Barker's phone number?
The number on file is (605) 322-8630. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John D. Barker?
John D. Barker's National Provider Identifier is 1063486975. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does John D. Barker have?
John D. Barker has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is John D. Barker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John D. Barker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.