Physician Profile
Unclaimed ProfileAbout CALLAGHAN
John Thomas Callaghan, MD, PhD is a healthcare provider in Indianapolis, IN specialising in internal medicine. John trained at University of Kentucky College of Medicine, graduating in 1969.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Callaghan's specialty?
Dr. Callaghan is an internal medicine in Indianapolis, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Callaghan?
Dr. Callaghan is listed at 1481 W 10TH ST, Indianapolis, IN 46202. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Callaghan?
The number on file is (317) 988-2624. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Callaghan's NPI number?
Dr. Callaghan's National Provider Identifier is 1700825064. 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
What is Dr. Callaghan's medical education?
Dr. Callaghan attended University of Kentucky College of Medicine, graduating in 1969. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Callaghan been practising?
Dr. Callaghan has 57 years experience. Calculated from a graduation year of 1969, reported in the CMS National Downloadable File.
CMS public data
Has Dr. Callaghan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Callaghan. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (317) 988-2624
- Email not available
Practice Locations
1481 W 10TH ST
Indianapolis, IN 46202
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other internal medicines in Indianapolis 8
Same specialty, same city.
More connections — 9 related providers in 2 groups
Trained at University of Kentucky College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1969 at University of Kentucky College of Medicine 1
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.