Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Charles Leo Callaghan, MD

Individual provider Internal Medicine Physician · NPI 1649369489

Charles Leo Callaghan, MD is an Internal Medicine in Saint Paul, Minnesota. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1993, 33 years ago. Practices with Healtheast Medical Research Institute, a 678-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Minnesota.

Years since qualifying
33
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
MN
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

17 W Exchange St Ste 420
Saint Paul, MN 55102
Phone: (651) 232-4125
Fax: (651) 232-4127
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 37316 (MN)

Record details

NPI number1649369489
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 12, 2006
Last updated in NPPESJuly 8, 2007
Mailing address17 W Exchange St, Suite 420, Saint Paul, MN 55102-1035

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Healtheast Medical Research Institute — 678 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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