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Edit this profileAt a glance
- 230 Nebraska St, Sioux City, IA 51101
About Dr. Michalak
John C. Michalak, M.D. practices hematology & oncology in Sioux City, IA. The provider's National Provider Identifier (NPI) is 1497727663.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
Contact Information
- (712) 252-0088
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
230 NEBRASKA ST
Sioux City, IA 51101
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 cancer specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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.
Common questions
What does John C. Michalak specialize in?
John C. Michalak is a cancer specialist in Sioux City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Where is John C. Michalak located?
John C. Michalak is listed at 230 Nebraska St, Sioux City, IA 51101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John C. Michalak's phone number?
The number on file is (712) 252-0088. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John C. Michalak?
John C. Michalak's National Provider Identifier is 1497727663. 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 C. Michalak have?
John C. Michalak 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 C. Michalak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Michalak. If this is you, claiming it is free.
Guide.md
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