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Edit this profileAt a glance
- 405 S Clark St, Suite 230, Carroll, IA 51401
About Dr. Collison
Mark R. Collison, M.D. practices internal medicine in Carroll, IA. The provider's National Provider Identifier (NPI) is 1336256130.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (712) 794-2222
- Email not available
Practice Locations
405 S CLARK ST SUITE 230
Carroll, IA 51401
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 1 related provider in 1 group
Common questions
What is Mark R. Collison's specialty?
Mark R. Collison is an internist in Carroll, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where can I find Mark R. Collison?
Mark R. Collison is listed at 405 S Clark St Suite 230, Carroll, IA 51401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark R. Collison?
The number on file is (712) 794-2222. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark R. Collison's NPI number?
Mark R. Collison's National Provider Identifier is 1336256130. 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 long has Mark R. Collison been practicing?
Mark R. Collison 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
Has Mark R. Collison confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark R. Collison. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.