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Edit this profileAt a glance
- 922 Lawndale St, Ludington, MI 49431
About Dr. O Callaghan
Timothy G. O Callaghan, DO is a healthcare provider in Ludington, MI specializing in family medicine. This provider record is associated with NPI 1982604617.
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
- (231) 845-7380
- Email not available
Practice Locations
922 LAWNDALE ST
Ludington, MI 49431
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 family doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 6 related providers in 1 group
Common questions
What kind of doctor is Dr. O Callaghan?
Dr. O Callaghan is a family doctor in Ludington, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
What is Dr. O Callaghan's address?
Dr. O Callaghan is listed at 922 Lawndale St, Ludington, MI 49431. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. O Callaghan?
The number on file is (231) 845-7380. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. O Callaghan?
Dr. O Callaghan's National Provider Identifier is 1982604617. 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 Dr. O Callaghan have?
Dr. O Callaghan has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. O Callaghan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O Callaghan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.