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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Caridad Tan is Good. Dr. Tan has been reviewed by 3 patients who have provided 0 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Caridad Tan, MD is board certified in Internal Medicine and Nephrology.

Education & Awards

Dr. Tan graduated from Our Lady Of Fatima University, Valenzuela.


Dr. Tan has 15 hospital affiliations:

  • Siouxland Surgery Center Lp 
  • Mercy Medical Center-Sioux City 

> > > > Dr. Caridad Tan, MD

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Additional Information
Dr. Caridad C Tan MD is a female Internist, has 27 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. Caridad C. Tan practice?
Dr. Caridad Tan has 6 office locations.
Dr. Caridad Tan practices Internal Medicine and Nephrology near Sioux City, IA.
Additional practice locations include: Sioux Falls, SD and Fort Dodge, IA.
See Sioux City Internists and Sioux City Nephrologists.